AMERICAN ELECTRIC POWER SERVICE CORPORATION has sponsored the creation of one or more 401k plans.
Submission information for form 5500 for 401k plan AMERICAN ELECTRIC POWER SYSTEM COMPREHENSIVE MEDICAL PLAN
| Measure | Date | Value |
|---|
| 2023 : AMERICAN ELECTRIC POWER SYSTEM COMPREHENSIVE MEDICAL PLAN 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $148,388,434 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $148,388,434 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $0 |
| Total income from all sources (including contributions) | 2023-12-31 | $502,678,630 |
| Total loss/gain on sale of assets | 2023-12-31 | $-12,956,239 |
| Total of all expenses incurred | 2023-12-31 | $358,528,433 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2023-12-31 | $328,231,926 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2023-12-31 | $334,249,569 |
| Value of total assets at end of year | 2023-12-31 | $1,325,333,209 |
| Value of total assets at beginning of year | 2023-12-31 | $1,181,183,012 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $30,296,507 |
| Total interest from all sources | 2023-12-31 | $10,432,137 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-12-31 | $15,527,050 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2023-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2023-12-31 | $5,389,823 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2023-12-31 | $429,679 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2023-12-31 | $312,554 |
| Was this plan covered by a fidelity bond | 2023-12-31 | Yes |
| Value of fidelity bond cover | 2023-12-31 | $35,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2023-12-31 | Yes |
| Amount of non-exempt transactions with any party-in-interest | 2023-12-31 | $33,938 |
| Contributions received from participants | 2023-12-31 | $102,161,230 |
| Assets. Other investments not covered elsewhere at end of year | 2023-12-31 | $14,772,132 |
| Assets. Other investments not covered elsewhere at beginning of year | 2023-12-31 | $11,360,068 |
| Other income not declared elsewhere | 2023-12-31 | $4,962,929 |
| Administrative expenses (other) incurred | 2023-12-31 | $10,183,153 |
| Total non interest bearing cash at end of year | 2023-12-31 | $1,003 |
| Total non interest bearing cash at beginning of year | 2023-12-31 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2023-12-31 | No |
| Value of net income/loss | 2023-12-31 | $144,150,197 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $1,325,333,209 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $1,181,183,012 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2023-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2023-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2023-12-31 | No |
| Investment advisory and management fees | 2023-12-31 | $1,977,063 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2023-12-31 | $223,332,043 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2023-12-31 | $225,065,249 |
| Value of interest in pooled separate accounts at end of year | 2023-12-31 | $153,001,446 |
| Value of interest in pooled separate accounts at beginning of year | 2023-12-31 | $157,688,420 |
| Interest earned on other investments | 2023-12-31 | $170,432 |
| Income. Interest from US Government securities | 2023-12-31 | $3,230,815 |
| Income. Interest from corporate debt instruments | 2023-12-31 | $7,053,035 |
| Value of interest in master investment trust accounts at end of year | 2023-12-31 | $32,858,003 |
| Value of interest in master investment trust accounts at beginning of year | 2023-12-31 | $29,315,539 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $18,213 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $0 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $-22,145 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2023-12-31 | $1,034,657 |
| Asset value of US Government securities at end of year | 2023-12-31 | $107,190,805 |
| Asset value of US Government securities at beginning of year | 2023-12-31 | $108,174,334 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2023-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2023-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2023-12-31 | No |
| Contributions received in cash from employer | 2023-12-31 | $232,088,339 |
| Income. Dividends from preferred stock | 2023-12-31 | $19,814 |
| Income. Dividends from common stock | 2023-12-31 | $10,117,413 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2023-12-31 | $327,197,269 |
| Asset. Corporate debt instrument preferred debt at end of year | 2023-12-31 | $121,450,535 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2023-12-31 | $109,573,514 |
| Contract administrator fees | 2023-12-31 | $17,822,652 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2023-12-31 | $672,279,350 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2023-12-31 | $539,693,334 |
| Did the plan have assets held for investment | 2023-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2023-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2023-12-31 | No |
| Aggregate proceeds on sale of assets | 2023-12-31 | $211,374,995 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $224,331,234 |
| Opinion of an independent qualified public accountant for this plan | 2023-12-31 | Unqualified |
| Accountancy firm name | 2023-12-31 | BDO USA, P.C. |
| Accountancy firm EIN | 2023-12-31 | 135381590 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-01-01 | $148,388,434 |
| Total unrealized appreciation/depreciation of assets | 2023-01-01 | $148,388,434 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $0 |
| Total income from all sources (including contributions) | 2023-01-01 | $502,678,630 |
| Total loss/gain on sale of assets | 2023-01-01 | $-12,956,239 |
| Total of all expenses incurred | 2023-01-01 | $358,528,433 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2023-01-01 | $328,231,926 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2023-01-01 | $334,249,569 |
| Value of total assets at end of year | 2023-01-01 | $1,325,333,209 |
| Value of total assets at beginning of year | 2023-01-01 | $1,181,183,012 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-01-01 | $30,296,507 |
| Total interest from all sources | 2023-01-01 | $10,432,137 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-01-01 | $15,527,050 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2023-01-01 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2023-01-01 | $5,389,823 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2023-01-01 | $429,679 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2023-01-01 | $312,554 |
| Was this plan covered by a fidelity bond | 2023-01-01 | Yes |
| Value of fidelity bond cover | 2023-01-01 | $35,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2023-01-01 | Yes |
| Amount of non-exempt transactions with any party-in-interest | 2023-01-01 | $33,938 |
| Contributions received from participants | 2023-01-01 | $102,161,230 |
| Assets. Other investments not covered elsewhere at end of year | 2023-01-01 | $14,772,132 |
| Assets. Other investments not covered elsewhere at beginning of year | 2023-01-01 | $11,360,068 |
| Other income not declared elsewhere | 2023-01-01 | $4,962,929 |
| Administrative expenses (other) incurred | 2023-01-01 | $10,183,153 |
| Total non interest bearing cash at end of year | 2023-01-01 | $1,003 |
| Total non interest bearing cash at beginning of year | 2023-01-01 | $0 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2023-01-01 | No |
| Value of net income/loss | 2023-01-01 | $144,150,197 |
| Value of net assets at end of year (total assets less liabilities) | 2023-01-01 | $1,325,333,209 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-01-01 | $1,181,183,012 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2023-01-01 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2023-01-01 | No |
| Were any leases to which the plan was party in default or uncollectible | 2023-01-01 | No |
| Investment advisory and management fees | 2023-01-01 | $1,977,063 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2023-01-01 | $223,332,043 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2023-01-01 | $225,065,249 |
| Value of interest in pooled separate accounts at end of year | 2023-01-01 | $153,001,446 |
| Value of interest in pooled separate accounts at beginning of year | 2023-01-01 | $157,688,420 |
| Interest earned on other investments | 2023-01-01 | $170,432 |
| Income. Interest from US Government securities | 2023-01-01 | $3,230,815 |
| Income. Interest from corporate debt instruments | 2023-01-01 | $7,053,035 |
| Value of interest in master investment trust accounts at end of year | 2023-01-01 | $32,858,003 |
| Value of interest in master investment trust accounts at beginning of year | 2023-01-01 | $29,315,539 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-01-01 | $18,213 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-01-01 | $-22,145 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2023-01-01 | $1,034,657 |
| Asset value of US Government securities at end of year | 2023-01-01 | $107,190,805 |
| Asset value of US Government securities at beginning of year | 2023-01-01 | $108,174,334 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2023-01-01 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2023-01-01 | No |
| Has the plan failed to provide any benefit when due under the plan | 2023-01-01 | No |
| Contributions received in cash from employer | 2023-01-01 | $232,088,339 |
| Income. Dividends from preferred stock | 2023-01-01 | $19,814 |
| Income. Dividends from common stock | 2023-01-01 | $10,117,413 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2023-01-01 | $327,197,269 |
| Asset. Corporate debt instrument preferred debt at end of year | 2023-01-01 | $121,450,535 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2023-01-01 | $109,573,514 |
| Contract administrator fees | 2023-01-01 | $17,822,652 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2023-01-01 | $672,279,350 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2023-01-01 | $539,693,334 |
| Did the plan have assets held for investment | 2023-01-01 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2023-01-01 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2023-01-01 | No |
| Aggregate proceeds on sale of assets | 2023-01-01 | $211,374,995 |
| Aggregate carrying amount (costs) on sale of assets | 2023-01-01 | $224,331,234 |
| Opinion of an independent qualified public accountant for this plan | 2023-01-01 | 1 |
| Accountancy firm name | 2023-01-01 | BDO USA, P.C. |
| Accountancy firm EIN | 2023-01-01 | 135381590 |
| 2022 : AMERICAN ELECTRIC POWER SYSTEM COMPREHENSIVE MEDICAL PLAN 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-206,063,397 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-206,063,397 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $0 |
| Total income from all sources (including contributions) | 2022-12-31 | $34,116,115 |
| Total loss/gain on sale of assets | 2022-12-31 | $-50,252,733 |
| Total of all expenses incurred | 2022-12-31 | $338,407,959 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-12-31 | $314,838,667 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-12-31 | $321,777,074 |
| Value of total assets at end of year | 2022-12-31 | $1,181,183,012 |
| Value of total assets at beginning of year | 2022-12-31 | $1,485,474,856 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $23,569,292 |
| Total interest from all sources | 2022-12-31 | $9,877,546 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $14,720,011 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2022-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2022-12-31 | $5,168,961 |
| Administrative expenses professional fees incurred | 2022-12-31 | $405,215 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2022-12-31 | $312,554 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2022-12-31 | $537,815 |
| Was this plan covered by a fidelity bond | 2022-12-31 | Yes |
| Value of fidelity bond cover | 2022-12-31 | $35,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2022-12-31 | Yes |
| Amount of non-exempt transactions with any party-in-interest | 2022-12-31 | $33,938 |
| Contributions received from participants | 2022-12-31 | $102,188,322 |
| Assets. Other investments not covered elsewhere at end of year | 2022-12-31 | $11,360,068 |
| Assets. Other investments not covered elsewhere at beginning of year | 2022-12-31 | $19,846,723 |
| Other income not declared elsewhere | 2022-12-31 | $-17,568,003 |
| Administrative expenses (other) incurred | 2022-12-31 | $9,358,441 |
| Total non interest bearing cash at end of year | 2022-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2022-12-31 | $677 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2022-12-31 | No |
| Value of net income/loss | 2022-12-31 | $-304,291,844 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $1,181,183,012 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $1,485,474,856 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2022-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2022-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2022-12-31 | No |
| Investment advisory and management fees | 2022-12-31 | $2,655,324 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2022-12-31 | $225,065,249 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2022-12-31 | $272,427,277 |
| Value of interest in pooled separate accounts at end of year | 2022-12-31 | $157,688,420 |
| Value of interest in pooled separate accounts at beginning of year | 2022-12-31 | $195,696,746 |
| Interest earned on other investments | 2022-12-31 | $568,803 |
| Income. Interest from US Government securities | 2022-12-31 | $3,201,254 |
| Income. Interest from corporate debt instruments | 2022-12-31 | $6,108,006 |
| Value of interest in master investment trust accounts at end of year | 2022-12-31 | $29,315,539 |
| Value of interest in master investment trust accounts at beginning of year | 2022-12-31 | $35,550,022 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $-517 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2022-12-31 | $6,191,187 |
| Asset value of US Government securities at end of year | 2022-12-31 | $108,174,334 |
| Asset value of US Government securities at beginning of year | 2022-12-31 | $153,592,692 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2022-12-31 | $-38,671,161 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2022-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2022-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2022-12-31 | No |
| Contributions received in cash from employer | 2022-12-31 | $219,588,752 |
| Income. Dividends from preferred stock | 2022-12-31 | $12,078 |
| Income. Dividends from common stock | 2022-12-31 | $9,538,972 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2022-12-31 | $308,647,480 |
| Asset. Corporate debt instrument preferred debt at end of year | 2022-12-31 | $109,573,514 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2022-12-31 | $184,283,456 |
| Contract administrator fees | 2022-12-31 | $11,150,312 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-12-31 | $539,693,334 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-12-31 | $623,539,448 |
| Did the plan have assets held for investment | 2022-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2022-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2022-12-31 | No |
| Aggregate proceeds on sale of assets | 2022-12-31 | $230,912,522 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $281,165,255 |
| Opinion of an independent qualified public accountant for this plan | 2022-12-31 | Unqualified |
| Accountancy firm name | 2022-12-31 | BDO USA, P.C. |
| Accountancy firm EIN | 2022-12-31 | 135381590 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-01-01 | $-206,063,397 |
| Total unrealized appreciation/depreciation of assets | 2022-01-01 | $-206,063,397 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $0 |
| Total income from all sources (including contributions) | 2022-01-01 | $34,116,115 |
| Total loss/gain on sale of assets | 2022-01-01 | $-50,252,733 |
| Total of all expenses incurred | 2022-01-01 | $338,407,959 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-01-01 | $314,838,667 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-01-01 | $321,777,074 |
| Value of total assets at end of year | 2022-01-01 | $1,181,183,012 |
| Value of total assets at beginning of year | 2022-01-01 | $1,485,474,856 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-01-01 | $23,569,292 |
| Total interest from all sources | 2022-01-01 | $9,877,546 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-01-01 | $14,720,011 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2022-01-01 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2022-01-01 | $5,168,961 |
| Administrative expenses professional fees incurred | 2022-01-01 | $405,215 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2022-01-01 | $312,554 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2022-01-01 | $537,815 |
| Was this plan covered by a fidelity bond | 2022-01-01 | Yes |
| Value of fidelity bond cover | 2022-01-01 | $35,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2022-01-01 | Yes |
| Amount of non-exempt transactions with any party-in-interest | 2022-01-01 | $33,938 |
| Contributions received from participants | 2022-01-01 | $102,188,322 |
| Assets. Other investments not covered elsewhere at end of year | 2022-01-01 | $11,360,068 |
| Assets. Other investments not covered elsewhere at beginning of year | 2022-01-01 | $19,846,723 |
| Other income not declared elsewhere | 2022-01-01 | $-17,568,003 |
| Administrative expenses (other) incurred | 2022-01-01 | $9,358,441 |
| Total non interest bearing cash at end of year | 2022-01-01 | $0 |
| Total non interest bearing cash at beginning of year | 2022-01-01 | $677 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2022-01-01 | No |
| Value of net income/loss | 2022-01-01 | $-304,291,844 |
| Value of net assets at end of year (total assets less liabilities) | 2022-01-01 | $1,181,183,012 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-01-01 | $1,485,474,856 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2022-01-01 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2022-01-01 | No |
| Were any leases to which the plan was party in default or uncollectible | 2022-01-01 | No |
| Investment advisory and management fees | 2022-01-01 | $2,655,324 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2022-01-01 | $225,065,249 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2022-01-01 | $272,427,277 |
| Value of interest in pooled separate accounts at end of year | 2022-01-01 | $157,688,420 |
| Value of interest in pooled separate accounts at beginning of year | 2022-01-01 | $195,696,746 |
| Interest earned on other investments | 2022-01-01 | $568,803 |
| Income. Interest from US Government securities | 2022-01-01 | $3,201,254 |
| Income. Interest from corporate debt instruments | 2022-01-01 | $6,108,006 |
| Value of interest in master investment trust accounts at end of year | 2022-01-01 | $29,315,539 |
| Value of interest in master investment trust accounts at beginning of year | 2022-01-01 | $35,550,022 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-01-01 | $-517 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2022-01-01 | $6,191,187 |
| Asset value of US Government securities at end of year | 2022-01-01 | $108,174,334 |
| Asset value of US Government securities at beginning of year | 2022-01-01 | $153,592,692 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2022-01-01 | $-38,671,161 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2022-01-01 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2022-01-01 | No |
| Has the plan failed to provide any benefit when due under the plan | 2022-01-01 | No |
| Contributions received in cash from employer | 2022-01-01 | $219,588,752 |
| Income. Dividends from preferred stock | 2022-01-01 | $12,078 |
| Income. Dividends from common stock | 2022-01-01 | $9,538,972 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2022-01-01 | $308,647,480 |
| Asset. Corporate debt instrument preferred debt at end of year | 2022-01-01 | $109,573,514 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2022-01-01 | $184,283,456 |
| Contract administrator fees | 2022-01-01 | $11,150,312 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-01-01 | $539,693,334 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-01-01 | $623,539,448 |
| Did the plan have assets held for investment | 2022-01-01 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2022-01-01 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2022-01-01 | No |
| Aggregate proceeds on sale of assets | 2022-01-01 | $230,912,522 |
| Aggregate carrying amount (costs) on sale of assets | 2022-01-01 | $281,165,255 |
| Opinion of an independent qualified public accountant for this plan | 2022-01-01 | 1 |
| Accountancy firm name | 2022-01-01 | BDO USA, P.C. |
| Accountancy firm EIN | 2022-01-01 | 135381590 |
| 2021 : AMERICAN ELECTRIC POWER SYSTEM COMPREHENSIVE MEDICAL PLAN 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $91,853,176 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $91,853,176 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $0 |
| Total income from all sources (including contributions) | 2021-12-31 | $464,775,598 |
| Total loss/gain on sale of assets | 2021-12-31 | $-1,453,146 |
| Total of all expenses incurred | 2021-12-31 | $317,786,840 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2021-12-31 | $290,475,208 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2021-12-31 | $318,983,720 |
| Value of total assets at end of year | 2021-12-31 | $1,485,474,856 |
| Value of total assets at beginning of year | 2021-12-31 | $1,338,486,098 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $27,311,632 |
| Total interest from all sources | 2021-12-31 | $11,595,416 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-12-31 | $13,727,936 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2021-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2021-12-31 | $5,399,423 |
| Administrative expenses professional fees incurred | 2021-12-31 | $475,450 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2021-12-31 | $537,815 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2021-12-31 | $636,446 |
| Was this plan covered by a fidelity bond | 2021-12-31 | Yes |
| Value of fidelity bond cover | 2021-12-31 | $35,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2021-12-31 | Yes |
| Amount of non-exempt transactions with any party-in-interest | 2021-12-31 | $33,938 |
| Contributions received from participants | 2021-12-31 | $98,180,101 |
| Assets. Other investments not covered elsewhere at end of year | 2021-12-31 | $19,846,723 |
| Assets. Other investments not covered elsewhere at beginning of year | 2021-12-31 | $18,638,644 |
| Other income not declared elsewhere | 2021-12-31 | $22,734,186 |
| Administrative expenses (other) incurred | 2021-12-31 | $9,661,666 |
| Total non interest bearing cash at end of year | 2021-12-31 | $677 |
| Total non interest bearing cash at beginning of year | 2021-12-31 | $2,298 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2021-12-31 | No |
| Value of net income/loss | 2021-12-31 | $146,988,758 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $1,485,474,856 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $1,338,486,098 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2021-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2021-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2021-12-31 | No |
| Investment advisory and management fees | 2021-12-31 | $2,552,220 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2021-12-31 | $272,427,277 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2021-12-31 | $229,835,949 |
| Value of interest in pooled separate accounts at end of year | 2021-12-31 | $195,696,746 |
| Value of interest in pooled separate accounts at beginning of year | 2021-12-31 | $201,893,705 |
| Interest earned on other investments | 2021-12-31 | $1,932,325 |
| Income. Interest from US Government securities | 2021-12-31 | $2,876,432 |
| Income. Interest from corporate debt instruments | 2021-12-31 | $6,789,351 |
| Value of interest in master investment trust accounts at end of year | 2021-12-31 | $35,550,022 |
| Value of interest in master investment trust accounts at beginning of year | 2021-12-31 | $16,726,442 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $0 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $19,376 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $19,376 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $-2,692 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2021-12-31 | $9,329,868 |
| Asset value of US Government securities at end of year | 2021-12-31 | $153,592,692 |
| Asset value of US Government securities at beginning of year | 2021-12-31 | $128,249,148 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2021-12-31 | $7,354,190 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2021-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2021-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2021-12-31 | No |
| Contributions received in cash from employer | 2021-12-31 | $220,803,619 |
| Income. Dividends from preferred stock | 2021-12-31 | $13,072 |
| Income. Dividends from common stock | 2021-12-31 | $8,315,441 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2021-12-31 | $281,145,340 |
| Asset. Corporate debt instrument preferred debt at end of year | 2021-12-31 | $184,283,456 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2021-12-31 | $180,614,830 |
| Contract administrator fees | 2021-12-31 | $14,622,296 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2021-12-31 | $623,539,448 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2021-12-31 | $561,869,260 |
| Did the plan have assets held for investment | 2021-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2021-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2021-12-31 | No |
| Aggregate proceeds on sale of assets | 2021-12-31 | $227,563,681 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $229,016,827 |
| Opinion of an independent qualified public accountant for this plan | 2021-12-31 | Unqualified |
| Accountancy firm name | 2021-12-31 | BDO USA, P.C. |
| Accountancy firm EIN | 2021-12-31 | 135381590 |
| 2020 : AMERICAN ELECTRIC POWER SYSTEM COMPREHENSIVE MEDICAL PLAN 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $142,693,109 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $142,693,109 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $0 |
| Total income from all sources (including contributions) | 2020-12-31 | $482,926,287 |
| Total loss/gain on sale of assets | 2020-12-31 | $2,234,071 |
| Total of all expenses incurred | 2020-12-31 | $338,892,821 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2020-12-31 | $311,807,857 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2020-12-31 | $310,865,375 |
| Value of total assets at end of year | 2020-12-31 | $1,338,486,098 |
| Value of total assets at beginning of year | 2020-12-31 | $1,194,452,632 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $27,084,964 |
| Total interest from all sources | 2020-12-31 | $7,504,770 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $10,418,331 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2020-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2020-12-31 | $3,681,940 |
| Administrative expenses professional fees incurred | 2020-12-31 | $676,369 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2020-12-31 | $636,446 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2020-12-31 | $798,647 |
| Was this plan covered by a fidelity bond | 2020-12-31 | Yes |
| Value of fidelity bond cover | 2020-12-31 | $35,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2020-12-31 | Yes |
| Amount of non-exempt transactions with any party-in-interest | 2020-12-31 | $33,938 |
| Contributions received from participants | 2020-12-31 | $91,224,598 |
| Assets. Other investments not covered elsewhere at end of year | 2020-12-31 | $18,638,644 |
| Assets. Other investments not covered elsewhere at beginning of year | 2020-12-31 | $17,655,417 |
| Other income not declared elsewhere | 2020-12-31 | $-5,902,374 |
| Administrative expenses (other) incurred | 2020-12-31 | $5,744,572 |
| Total non interest bearing cash at end of year | 2020-12-31 | $2,298 |
| Total non interest bearing cash at beginning of year | 2020-12-31 | $133,775 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2020-12-31 | No |
| Value of net income/loss | 2020-12-31 | $144,033,466 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $1,338,486,098 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $1,194,452,632 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2020-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2020-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2020-12-31 | No |
| Investment advisory and management fees | 2020-12-31 | $1,875,057 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2020-12-31 | $229,835,949 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2020-12-31 | $208,492,059 |
| Value of interest in pooled separate accounts at end of year | 2020-12-31 | $201,893,705 |
| Value of interest in pooled separate accounts at beginning of year | 2020-12-31 | $212,799,916 |
| Interest earned on other investments | 2020-12-31 | $561,320 |
| Income. Interest from US Government securities | 2020-12-31 | $2,233,138 |
| Income. Interest from corporate debt instruments | 2020-12-31 | $4,711,723 |
| Value of interest in master investment trust accounts at end of year | 2020-12-31 | $16,726,442 |
| Value of interest in master investment trust accounts at beginning of year | 2020-12-31 | $16,923,758 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $19,376 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $22,494 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $22,494 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $-1,411 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2020-12-31 | $12,845,116 |
| Asset value of US Government securities at end of year | 2020-12-31 | $128,249,148 |
| Asset value of US Government securities at beginning of year | 2020-12-31 | $138,189,023 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2020-12-31 | $14,922,028 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2020-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2020-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2020-12-31 | No |
| Contributions received in cash from employer | 2020-12-31 | $219,640,777 |
| Income. Dividends from preferred stock | 2020-12-31 | $14,303 |
| Income. Dividends from common stock | 2020-12-31 | $6,722,088 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2020-12-31 | $298,962,741 |
| Asset. Corporate debt instrument preferred debt at end of year | 2020-12-31 | $88,775,712 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2020-12-31 | $75,038,247 |
| Asset. Corporate debt instrument debt (other) at end of year | 2020-12-31 | $91,839,118 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2020-12-31 | $83,292,178 |
| Contract administrator fees | 2020-12-31 | $18,788,966 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2020-12-31 | $561,869,260 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2020-12-31 | $441,107,118 |
| Did the plan have assets held for investment | 2020-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2020-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2020-12-31 | No |
| Aggregate proceeds on sale of assets | 2020-12-31 | $247,966,555 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $245,732,484 |
| Opinion of an independent qualified public accountant for this plan | 2020-12-31 | Unqualified |
| Accountancy firm name | 2020-12-31 | BDO USA LLP |
| Accountancy firm EIN | 2020-12-31 | 135381590 |
| 2019 : AMERICAN ELECTRIC POWER SYSTEM COMPREHENSIVE MEDICAL PLAN 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $143,648,143 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $143,648,143 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $0 |
| Total income from all sources (including contributions) | 2019-12-31 | $502,131,840 |
| Total loss/gain on sale of assets | 2019-12-31 | $12,427,523 |
| Total of all expenses incurred | 2019-12-31 | $309,764,346 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2019-12-31 | $286,053,597 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2019-12-31 | $294,781,442 |
| Value of total assets at end of year | 2019-12-31 | $1,194,452,632 |
| Value of total assets at beginning of year | 2019-12-31 | $1,002,085,138 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $23,710,749 |
| Total interest from all sources | 2019-12-31 | $8,794,452 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $11,334,944 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2019-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2019-12-31 | $4,658,336 |
| Administrative expenses professional fees incurred | 2019-12-31 | $506,713 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2019-12-31 | $798,647 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2019-12-31 | $0 |
| Was this plan covered by a fidelity bond | 2019-12-31 | Yes |
| Value of fidelity bond cover | 2019-12-31 | $35,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2019-12-31 | Yes |
| Amount of non-exempt transactions with any party-in-interest | 2019-12-31 | $3,598,288 |
| Contributions received from participants | 2019-12-31 | $92,247,422 |
| Assets. Other investments not covered elsewhere at end of year | 2019-12-31 | $17,655,417 |
| Assets. Other investments not covered elsewhere at beginning of year | 2019-12-31 | $15,250,563 |
| Other income not declared elsewhere | 2019-12-31 | $10,732,501 |
| Administrative expenses (other) incurred | 2019-12-31 | $3,005,264 |
| Total non interest bearing cash at end of year | 2019-12-31 | $133,775 |
| Total non interest bearing cash at beginning of year | 2019-12-31 | $-567,737 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2019-12-31 | No |
| Value of net income/loss | 2019-12-31 | $192,367,494 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $1,194,452,632 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $1,002,085,138 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2019-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2019-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2019-12-31 | No |
| Investment advisory and management fees | 2019-12-31 | $1,603,847 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2019-12-31 | $208,492,059 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2019-12-31 | $181,984,443 |
| Value of interest in pooled separate accounts at end of year | 2019-12-31 | $212,799,916 |
| Value of interest in pooled separate accounts at beginning of year | 2019-12-31 | $204,677,877 |
| Interest earned on other investments | 2019-12-31 | $1,025,648 |
| Income. Interest from US Government securities | 2019-12-31 | $1,300,755 |
| Income. Interest from corporate debt instruments | 2019-12-31 | $6,316,759 |
| Value of interest in master investment trust accounts at end of year | 2019-12-31 | $16,923,758 |
| Value of interest in master investment trust accounts at beginning of year | 2019-12-31 | $8,368,878 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $22,494 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $79,938 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $79,938 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $151,290 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2019-12-31 | $7,558,879 |
| Asset value of US Government securities at end of year | 2019-12-31 | $138,189,023 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $118,019,608 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2019-12-31 | $19,701,963 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2019-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2019-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2019-12-31 | No |
| Contributions received in cash from employer | 2019-12-31 | $202,534,020 |
| Income. Dividends from preferred stock | 2019-12-31 | $19,537 |
| Income. Dividends from common stock | 2019-12-31 | $6,657,071 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2019-12-31 | $278,494,718 |
| Asset. Corporate debt instrument preferred debt at end of year | 2019-12-31 | $75,038,247 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2019-12-31 | $73,643,652 |
| Asset. Corporate debt instrument debt (other) at end of year | 2019-12-31 | $83,292,178 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2019-12-31 | $67,569,896 |
| Contract administrator fees | 2019-12-31 | $18,594,925 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2019-12-31 | $441,107,118 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2019-12-31 | $333,058,020 |
| Did the plan have assets held for investment | 2019-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2019-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2019-12-31 | No |
| Aggregate proceeds on sale of assets | 2019-12-31 | $204,452,928 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $192,025,405 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2019-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2019-12-31 | Disclaimer |
| Accountancy firm name | 2019-12-31 | PRICEWATERHOUSECOOPERS LLP |
| Accountancy firm EIN | 2019-12-31 | 134008324 |
| 2018 : AMERICAN ELECTRIC POWER SYSTEM COMPREHENSIVE MEDICAL PLAN 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-59,857,548 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-59,857,548 |
| Total transfer of assets to this plan | 2018-12-31 | $3,008,004 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $0 |
| Total income from all sources (including contributions) | 2018-12-31 | $227,931,927 |
| Total loss/gain on sale of assets | 2018-12-31 | $-16,092,789 |
| Total of all expenses incurred | 2018-12-31 | $361,124,786 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2018-12-31 | $329,031,459 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2018-12-31 | $295,665,011 |
| Value of total assets at end of year | 2018-12-31 | $1,002,085,138 |
| Value of total assets at beginning of year | 2018-12-31 | $1,132,269,993 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $32,093,327 |
| Total interest from all sources | 2018-12-31 | $15,303,565 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $10,483,296 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2018-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2018-12-31 | $4,143,169 |
| Administrative expenses professional fees incurred | 2018-12-31 | $419,886 |
| Was this plan covered by a fidelity bond | 2018-12-31 | Yes |
| Value of fidelity bond cover | 2018-12-31 | $35,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2018-12-31 | Yes |
| Amount of non-exempt transactions with any party-in-interest | 2018-12-31 | $11,140,320 |
| Contributions received from participants | 2018-12-31 | $86,050,014 |
| Assets. Other investments not covered elsewhere at end of year | 2018-12-31 | $15,250,563 |
| Assets. Other investments not covered elsewhere at beginning of year | 2018-12-31 | $19,090,166 |
| Other income not declared elsewhere | 2018-12-31 | $1,336,151 |
| Administrative expenses (other) incurred | 2018-12-31 | $11,356,344 |
| Total non interest bearing cash at end of year | 2018-12-31 | $-567,737 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2018-12-31 | No |
| Value of net income/loss | 2018-12-31 | $-133,192,859 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $1,002,085,138 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $1,132,269,993 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2018-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2018-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2018-12-31 | No |
| Investment advisory and management fees | 2018-12-31 | $1,711,253 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2018-12-31 | $181,984,443 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2018-12-31 | $199,791,576 |
| Value of interest in pooled separate accounts at end of year | 2018-12-31 | $204,677,877 |
| Value of interest in pooled separate accounts at beginning of year | 2018-12-31 | $224,563,299 |
| Interest earned on other investments | 2018-12-31 | $4,502,888 |
| Income. Interest from US Government securities | 2018-12-31 | $3,483,023 |
| Income. Interest from corporate debt instruments | 2018-12-31 | $7,059,623 |
| Value of interest in master investment trust accounts at end of year | 2018-12-31 | $8,368,878 |
| Value of interest in master investment trust accounts at beginning of year | 2018-12-31 | $23,128,534 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $79,938 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $48,086 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $48,086 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $258,031 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2018-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2018-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2018-12-31 | $12,692,269 |
| Asset value of US Government securities at end of year | 2018-12-31 | $118,019,608 |
| Asset value of US Government securities at beginning of year | 2018-12-31 | $115,224,494 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2018-12-31 | $-19,441,149 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2018-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2018-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2018-12-31 | No |
| Contributions received in cash from employer | 2018-12-31 | $209,614,997 |
| Income. Dividends from preferred stock | 2018-12-31 | $1,002 |
| Income. Dividends from common stock | 2018-12-31 | $6,339,125 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2018-12-31 | $316,339,190 |
| Asset. Corporate debt instrument preferred debt at end of year | 2018-12-31 | $73,643,652 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2018-12-31 | $78,908,657 |
| Asset. Corporate debt instrument debt (other) at end of year | 2018-12-31 | $67,569,896 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2018-12-31 | $81,281,031 |
| Contract administrator fees | 2018-12-31 | $18,605,844 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2018-12-31 | $333,058,020 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2018-12-31 | $390,234,150 |
| Did the plan have assets held for investment | 2018-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2018-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2018-12-31 | No |
| Aggregate proceeds on sale of assets | 2018-12-31 | $469,037,484 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $485,130,273 |
| Opinion of an independent qualified public accountant for this plan | 2018-12-31 | Disclaimer |
| Accountancy firm name | 2018-12-31 | PRICEWATERHOUSECOOPERS LLP |
| Accountancy firm EIN | 2018-12-31 | 134008324 |
| 2017 : AMERICAN ELECTRIC POWER SYSTEM COMPREHENSIVE MEDICAL PLAN 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $87,492,944 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $87,492,944 |
| Total transfer of assets from this plan | 2017-12-31 | $1,240,000 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $0 |
| Total income from all sources (including contributions) | 2017-12-31 | $428,169,503 |
| Total loss/gain on sale of assets | 2017-12-31 | $10,916,479 |
| Total of all expenses incurred | 2017-12-31 | $353,953,106 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2017-12-31 | $325,617,503 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2017-12-31 | $253,292,450 |
| Value of total assets at end of year | 2017-12-31 | $1,132,269,993 |
| Value of total assets at beginning of year | 2017-12-31 | $1,059,293,596 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $28,335,603 |
| Total interest from all sources | 2017-12-31 | $9,950,795 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $11,901,285 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2017-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2017-12-31 | $4,575,504 |
| Administrative expenses professional fees incurred | 2017-12-31 | $714,800 |
| Was this plan covered by a fidelity bond | 2017-12-31 | Yes |
| Value of fidelity bond cover | 2017-12-31 | $35,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2017-12-31 | Yes |
| Amount of non-exempt transactions with any party-in-interest | 2017-12-31 | $9,336,332 |
| Contributions received from participants | 2017-12-31 | $79,306,468 |
| Assets. Other investments not covered elsewhere at end of year | 2017-12-31 | $19,090,166 |
| Assets. Other investments not covered elsewhere at beginning of year | 2017-12-31 | $9,129,328 |
| Administrative expenses (other) incurred | 2017-12-31 | $4,417,765 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2017-12-31 | No |
| Value of net income/loss | 2017-12-31 | $74,216,397 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $1,132,269,993 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $1,059,293,596 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2017-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2017-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2017-12-31 | No |
| Investment advisory and management fees | 2017-12-31 | $1,899,148 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2017-12-31 | $199,791,576 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2017-12-31 | $197,423,635 |
| Value of interest in pooled separate accounts at end of year | 2017-12-31 | $224,563,299 |
| Value of interest in pooled separate accounts at beginning of year | 2017-12-31 | $208,219,323 |
| Interest earned on other investments | 2017-12-31 | $537,905 |
| Income. Interest from US Government securities | 2017-12-31 | $2,716,301 |
| Income. Interest from corporate debt instruments | 2017-12-31 | $6,460,390 |
| Value of interest in master investment trust accounts at end of year | 2017-12-31 | $23,128,534 |
| Value of interest in master investment trust accounts at beginning of year | 2017-12-31 | $37,833,188 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $48,086 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $66,716 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $66,716 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $236,199 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2017-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2017-12-31 | $4,243,779 |
| Asset value of US Government securities at end of year | 2017-12-31 | $115,224,494 |
| Asset value of US Government securities at beginning of year | 2017-12-31 | $64,008,844 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2017-12-31 | $25,721,670 |
| Net investment gain/loss from pooled separate accounts | 2017-12-31 | $28,482,347 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2017-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2017-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2017-12-31 | No |
| Contributions received in cash from employer | 2017-12-31 | $173,985,982 |
| Income. Dividends from common stock | 2017-12-31 | $7,325,781 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2017-12-31 | $325,617,503 |
| Asset. Corporate debt instrument preferred debt at end of year | 2017-12-31 | $78,908,657 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2017-12-31 | $99,385,584 |
| Asset. Corporate debt instrument debt (other) at end of year | 2017-12-31 | $81,281,031 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2017-12-31 | $46,459,596 |
| Contract administrator fees | 2017-12-31 | $21,303,890 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2017-12-31 | $390,234,150 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2017-12-31 | $392,523,603 |
| Did the plan have assets held for investment | 2017-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2017-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2017-12-31 | No |
| Aggregate proceeds on sale of assets | 2017-12-31 | $261,611,823 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $250,695,344 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2017-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2017-12-31 | Disclaimer |
| Accountancy firm name | 2017-12-31 | PLANTE & MORAN, PLLC |
| Accountancy firm EIN | 2017-12-31 | 381357951 |
| 2016 : AMERICAN ELECTRIC POWER SYSTEM COMPREHENSIVE MEDICAL PLAN 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $5,737,976 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $5,737,976 |
| Total transfer of assets from this plan | 2016-12-31 | $2,000,000 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $0 |
| Total income from all sources (including contributions) | 2016-12-31 | $324,902,481 |
| Total loss/gain on sale of assets | 2016-12-31 | $15,235,692 |
| Total of all expenses incurred | 2016-12-31 | $334,935,712 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2016-12-31 | $307,638,976 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2016-12-31 | $272,034,466 |
| Value of total assets at end of year | 2016-12-31 | $1,059,293,596 |
| Value of total assets at beginning of year | 2016-12-31 | $1,071,326,827 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $27,296,736 |
| Total interest from all sources | 2016-12-31 | $13,714,354 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $12,931,594 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2016-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2016-12-31 | $4,618,363 |
| Administrative expenses professional fees incurred | 2016-12-31 | $423,820 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2016-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2016-12-31 | $185,990 |
| Was this plan covered by a fidelity bond | 2016-12-31 | Yes |
| Value of fidelity bond cover | 2016-12-31 | $35,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2016-12-31 | No |
| Contributions received from participants | 2016-12-31 | $76,684,188 |
| Assets. Other investments not covered elsewhere at end of year | 2016-12-31 | $9,129,328 |
| Assets. Other investments not covered elsewhere at beginning of year | 2016-12-31 | $4,271,386 |
| Other income not declared elsewhere | 2016-12-31 | $4,949,100 |
| Administrative expenses (other) incurred | 2016-12-31 | $5,049,681 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2016-12-31 | No |
| Value of net income/loss | 2016-12-31 | $-10,033,231 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $1,059,293,596 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $1,071,326,827 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2016-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2016-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2016-12-31 | No |
| Investment advisory and management fees | 2016-12-31 | $1,232,696 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2016-12-31 | $197,423,635 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2016-12-31 | $244,258,414 |
| Value of interest in pooled separate accounts at end of year | 2016-12-31 | $208,219,323 |
| Value of interest in pooled separate accounts at beginning of year | 2016-12-31 | $0 |
| Interest earned on other investments | 2016-12-31 | $4,930,126 |
| Income. Interest from US Government securities | 2016-12-31 | $1,711,784 |
| Income. Interest from corporate debt instruments | 2016-12-31 | $7,075,626 |
| Value of interest in master investment trust accounts at end of year | 2016-12-31 | $37,833,188 |
| Value of interest in master investment trust accounts at beginning of year | 2016-12-31 | $13,373,505 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $66,716 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $17,495 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $17,495 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $-3,182 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2016-12-31 | $4,243,779 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2016-12-31 | $4,887,111 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2016-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2016-12-31 | $213,417,956 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2016-12-31 | $2,023,346 |
| Asset value of US Government securities at end of year | 2016-12-31 | $64,008,844 |
| Asset value of US Government securities at beginning of year | 2016-12-31 | $58,625,373 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2016-12-31 | $-44,133 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2016-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2016-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2016-12-31 | No |
| Contributions received in cash from employer | 2016-12-31 | $195,350,278 |
| Income. Dividends from preferred stock | 2016-12-31 | $0 |
| Income. Dividends from common stock | 2016-12-31 | $8,313,231 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2016-12-31 | $305,615,630 |
| Asset. Corporate debt instrument preferred debt at end of year | 2016-12-31 | $99,385,584 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2016-12-31 | $96,387,099 |
| Asset. Corporate debt instrument debt (other) at end of year | 2016-12-31 | $46,459,596 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2016-12-31 | $50,676,376 |
| Contract administrator fees | 2016-12-31 | $20,590,539 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2016-12-31 | $392,523,603 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2016-12-31 | $385,226,122 |
| Did the plan have assets held for investment | 2016-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2016-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2016-12-31 | No |
| Aggregate proceeds on sale of assets | 2016-12-31 | $247,742,258 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $232,506,566 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2016-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2016-12-31 | Disclaimer |
| Accountancy firm name | 2016-12-31 | DELOITTE & TOUCHE, LLP |
| Accountancy firm EIN | 2016-12-31 | 133891517 |
| 2015 : AMERICAN ELECTRIC POWER SYSTEM COMPREHENSIVE MEDICAL PLAN 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-29,573,063 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-29,573,063 |
| Total transfer of assets from this plan | 2015-12-31 | $2,000,000 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $0 |
| Total income from all sources (including contributions) | 2015-12-31 | $283,816,361 |
| Total loss/gain on sale of assets | 2015-12-31 | $-3,135,968 |
| Total of all expenses incurred | 2015-12-31 | $372,784,442 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2015-12-31 | $347,125,640 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2015-12-31 | $294,677,520 |
| Value of total assets at end of year | 2015-12-31 | $1,071,326,827 |
| Value of total assets at beginning of year | 2015-12-31 | $1,162,294,908 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $25,658,802 |
| Total interest from all sources | 2015-12-31 | $13,533,904 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $13,855,919 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2015-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2015-12-31 | $5,465,412 |
| Administrative expenses professional fees incurred | 2015-12-31 | $652,534 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2015-12-31 | $185,990 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2015-12-31 | $429,419 |
| Was this plan covered by a fidelity bond | 2015-12-31 | Yes |
| Value of fidelity bond cover | 2015-12-31 | $35,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2015-12-31 | No |
| Contributions received from participants | 2015-12-31 | $79,832,717 |
| Assets. Other investments not covered elsewhere at end of year | 2015-12-31 | $4,271,386 |
| Assets. Other investments not covered elsewhere at beginning of year | 2015-12-31 | $5,104,976 |
| Other income not declared elsewhere | 2015-12-31 | $9,891,750 |
| Administrative expenses (other) incurred | 2015-12-31 | $4,492,918 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2015-12-31 | No |
| Value of net income/loss | 2015-12-31 | $-88,968,081 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $1,071,326,827 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $1,162,294,908 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2015-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2015-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2015-12-31 | No |
| Investment advisory and management fees | 2015-12-31 | $1,771,180 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2015-12-31 | $244,258,414 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2015-12-31 | $251,477,534 |
| Interest earned on other investments | 2015-12-31 | $4,092,578 |
| Income. Interest from US Government securities | 2015-12-31 | $2,173,903 |
| Income. Interest from corporate debt instruments | 2015-12-31 | $7,220,774 |
| Value of interest in master investment trust accounts at end of year | 2015-12-31 | $13,373,505 |
| Value of interest in master investment trust accounts at beginning of year | 2015-12-31 | $2,337,131 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $17,495 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $34 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $34 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2015-12-31 | $46,649 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2015-12-31 | $4,887,111 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2015-12-31 | $5,793,782 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2015-12-31 | $213,417,956 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2015-12-31 | $222,368,023 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2015-12-31 | $1,663,965 |
| Asset value of US Government securities at end of year | 2015-12-31 | $58,625,373 |
| Asset value of US Government securities at beginning of year | 2015-12-31 | $72,743,853 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2015-12-31 | $-15,481,584 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2015-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2015-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2015-12-31 | No |
| Contributions received in cash from employer | 2015-12-31 | $214,844,803 |
| Income. Dividends from preferred stock | 2015-12-31 | $2,550 |
| Income. Dividends from common stock | 2015-12-31 | $8,387,957 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2015-12-31 | $345,461,675 |
| Asset. Corporate debt instrument preferred debt at end of year | 2015-12-31 | $96,387,099 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2015-12-31 | $93,993,210 |
| Asset. Corporate debt instrument debt (other) at end of year | 2015-12-31 | $50,676,376 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2015-12-31 | $56,019,040 |
| Contract administrator fees | 2015-12-31 | $18,742,170 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2015-12-31 | $385,226,122 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2015-12-31 | $452,027,906 |
| Did the plan have assets held for investment | 2015-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2015-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2015-12-31 | No |
| Aggregate proceeds on sale of assets | 2015-12-31 | $300,051,102 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $303,187,070 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2015-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2015-12-31 | Disclaimer |
| Accountancy firm name | 2015-12-31 | DELOITTE & TOUCHE, LLP |
| Accountancy firm EIN | 2015-12-31 | 133891517 |
| 2014 : AMERICAN ELECTRIC POWER SYSTEM COMPREHENSIVE MEDICAL PLAN 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $33,474,646 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $33,474,646 |
| Total transfer of assets from this plan | 2014-12-31 | $2,500,000 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $0 |
| Total income from all sources (including contributions) | 2014-12-31 | $344,103,031 |
| Total loss/gain on sale of assets | 2014-12-31 | $10,573,571 |
| Total of all expenses incurred | 2014-12-31 | $372,560,953 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2014-12-31 | $349,240,323 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2014-12-31 | $265,957,321 |
| Value of total assets at end of year | 2014-12-31 | $1,162,294,908 |
| Value of total assets at beginning of year | 2014-12-31 | $1,193,252,830 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $23,320,630 |
| Total interest from all sources | 2014-12-31 | $28,101,025 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $16,375,131 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2014-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2014-12-31 | $7,002,113 |
| Administrative expenses professional fees incurred | 2014-12-31 | $363,882 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2014-12-31 | $429,419 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2014-12-31 | $96,440 |
| Was this plan covered by a fidelity bond | 2014-12-31 | Yes |
| Value of fidelity bond cover | 2014-12-31 | $50,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2014-12-31 | No |
| Contributions received from participants | 2014-12-31 | $79,223,276 |
| Assets. Other investments not covered elsewhere at end of year | 2014-12-31 | $5,104,976 |
| Assets. Other investments not covered elsewhere at beginning of year | 2014-12-31 | $4,604,565 |
| Other income not declared elsewhere | 2014-12-31 | $7,498,426 |
| Administrative expenses (other) incurred | 2014-12-31 | $2,677,975 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2014-12-31 | No |
| Value of net income/loss | 2014-12-31 | $-28,457,922 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $1,162,294,908 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $1,193,252,830 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2014-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2014-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2014-12-31 | No |
| Investment advisory and management fees | 2014-12-31 | $1,990,786 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2014-12-31 | $251,477,534 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2014-12-31 | $285,884,859 |
| Interest earned on other investments | 2014-12-31 | $18,689,336 |
| Income. Interest from US Government securities | 2014-12-31 | $2,205,443 |
| Income. Interest from corporate debt instruments | 2014-12-31 | $7,207,309 |
| Value of interest in master investment trust accounts at end of year | 2014-12-31 | $2,337,131 |
| Value of interest in master investment trust accounts at beginning of year | 2014-12-31 | $15,010,259 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $34 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $4,709 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $4,709 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $-1,063 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2014-12-31 | $5,793,782 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2014-12-31 | $222,368,023 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2014-12-31 | $224,767,774 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2014-12-31 | $1,363,824 |
| Asset value of US Government securities at end of year | 2014-12-31 | $72,743,853 |
| Asset value of US Government securities at beginning of year | 2014-12-31 | $58,009,326 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2014-12-31 | $-17,942,446 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2014-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2014-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2014-12-31 | No |
| Contributions received in cash from employer | 2014-12-31 | $186,734,045 |
| Income. Dividends from preferred stock | 2014-12-31 | $24,782 |
| Income. Dividends from common stock | 2014-12-31 | $9,348,236 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2014-12-31 | $347,876,499 |
| Asset. Corporate debt instrument preferred debt at end of year | 2014-12-31 | $93,993,210 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2014-12-31 | $85,537,024 |
| Asset. Corporate debt instrument debt (other) at end of year | 2014-12-31 | $56,019,040 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2014-12-31 | $51,521,047 |
| Contract administrator fees | 2014-12-31 | $18,287,987 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2014-12-31 | $452,027,906 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2014-12-31 | $467,816,827 |
| Did the plan have assets held for investment | 2014-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2014-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2014-12-31 | No |
| Aggregate proceeds on sale of assets | 2014-12-31 | $311,360,125 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $300,786,554 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2014-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2014-12-31 | Disclaimer |
| Accountancy firm name | 2014-12-31 | DELOITTE & TOUCHE, LLP |
| Accountancy firm EIN | 2014-12-31 | 133891517 |
| 2013 : AMERICAN ELECTRIC POWER SYSTEM COMPREHENSIVE MEDICAL PLAN 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $80,414,939 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $80,414,939 |
| Total transfer of assets from this plan | 2013-12-31 | $1,500,000 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $0 |
| Total income from all sources (including contributions) | 2013-12-31 | $413,630,787 |
| Total loss/gain on sale of assets | 2013-12-31 | $17,212,992 |
| Total of all expenses incurred | 2013-12-31 | $358,275,459 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2013-12-31 | $335,014,062 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2013-12-31 | $257,886,627 |
| Value of total assets at end of year | 2013-12-31 | $1,193,252,830 |
| Value of total assets at beginning of year | 2013-12-31 | $1,139,397,502 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $23,261,397 |
| Total interest from all sources | 2013-12-31 | $13,672,045 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $15,074,526 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2013-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2013-12-31 | $5,574,300 |
| Administrative expenses professional fees incurred | 2013-12-31 | $424,177 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2013-12-31 | $96,440 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2013-12-31 | $822,675 |
| Was this plan covered by a fidelity bond | 2013-12-31 | Yes |
| Value of fidelity bond cover | 2013-12-31 | $50,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2013-12-31 | No |
| Contributions received from participants | 2013-12-31 | $78,107,816 |
| Assets. Other investments not covered elsewhere at end of year | 2013-12-31 | $4,604,565 |
| Assets. Other investments not covered elsewhere at beginning of year | 2013-12-31 | $7,110,518 |
| Other income not declared elsewhere | 2013-12-31 | $7,764,596 |
| Administrative expenses (other) incurred | 2013-12-31 | $3,825,209 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2013-12-31 | No |
| Value of net income/loss | 2013-12-31 | $55,355,328 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $1,193,252,830 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $1,139,397,502 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2013-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2013-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2013-12-31 | No |
| Investment advisory and management fees | 2013-12-31 | $2,014,299 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2013-12-31 | $285,884,859 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2013-12-31 | $263,158,133 |
| Interest earned on other investments | 2013-12-31 | $5,042,293 |
| Income. Interest from US Government securities | 2013-12-31 | $1,737,412 |
| Income. Interest from corporate debt instruments | 2013-12-31 | $6,892,435 |
| Value of interest in master investment trust accounts at end of year | 2013-12-31 | $15,010,259 |
| Value of interest in master investment trust accounts at beginning of year | 2013-12-31 | $17,141,679 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $4,709 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $1,014,360 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $1,014,360 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2013-12-31 | $-95 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2013-12-31 | $224,767,774 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2013-12-31 | $214,151,620 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2013-12-31 | $1,480,707 |
| Asset value of US Government securities at end of year | 2013-12-31 | $58,009,326 |
| Asset value of US Government securities at beginning of year | 2013-12-31 | $62,474,017 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2013-12-31 | $21,547,334 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2013-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2013-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2013-12-31 | No |
| Contributions received in cash from employer | 2013-12-31 | $179,778,811 |
| Income. Dividends from preferred stock | 2013-12-31 | $24,621 |
| Income. Dividends from common stock | 2013-12-31 | $9,475,605 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2013-12-31 | $333,533,355 |
| Asset. Corporate debt instrument preferred debt at end of year | 2013-12-31 | $85,537,024 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2013-12-31 | $88,595,100 |
| Asset. Corporate debt instrument debt (other) at end of year | 2013-12-31 | $51,521,047 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2013-12-31 | $54,728,467 |
| Contract administrator fees | 2013-12-31 | $16,997,712 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2013-12-31 | $467,816,827 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2013-12-31 | $430,200,933 |
| Did the plan have assets held for investment | 2013-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2013-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2013-12-31 | No |
| Aggregate proceeds on sale of assets | 2013-12-31 | $338,487,370 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $321,274,378 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2013-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2013-12-31 | Disclaimer |
| Accountancy firm name | 2013-12-31 | DELOITTE & TOUCHE, LLP |
| Accountancy firm EIN | 2013-12-31 | 133891517 |
| 2012 : AMERICAN ELECTRIC POWER SYSTEM COMPREHENSIVE MEDICAL PLAN 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of real estate assets | 2012-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $67,550,536 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $67,550,536 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $0 |
| Expenses. Interest paid | 2012-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2012-12-31 | $0 |
| Total income from all sources (including contributions) | 2012-12-31 | $442,556,587 |
| Total loss/gain on sale of assets | 2012-12-31 | $-1,789,247 |
| Total of all expenses incurred | 2012-12-31 | $357,499,484 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2012-12-31 | $335,814,518 |
| Expenses. Certain deemed distributions of participant loans | 2012-12-31 | $0 |
| Value of total corrective distributions | 2012-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2012-12-31 | $308,334,765 |
| Value of total assets at end of year | 2012-12-31 | $1,139,397,502 |
| Value of total assets at beginning of year | 2012-12-31 | $1,054,340,399 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $21,684,966 |
| Total income from rents | 2012-12-31 | $0 |
| Total interest from all sources | 2012-12-31 | $14,138,969 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $16,108,821 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2012-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2012-12-31 | $5,973,670 |
| Administrative expenses professional fees incurred | 2012-12-31 | $860,656 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2012-12-31 | $822,675 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2012-12-31 | $2,067,015 |
| Was this plan covered by a fidelity bond | 2012-12-31 | Yes |
| Value of fidelity bond cover | 2012-12-31 | $50,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2012-12-31 | No |
| Contributions received from participants | 2012-12-31 | $77,860,963 |
| Assets. Other investments not covered elsewhere at end of year | 2012-12-31 | $7,110,518 |
| Assets. Other investments not covered elsewhere at beginning of year | 2012-12-31 | $7,416,078 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2012-12-31 | $0 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2012-12-31 | $0 |
| Other income not declared elsewhere | 2012-12-31 | $2,976,255 |
| Administrative expenses (other) incurred | 2012-12-31 | $4,258,673 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2012-12-31 | No |
| Income. Non cash contributions | 2012-12-31 | $0 |
| Value of net income/loss | 2012-12-31 | $85,057,103 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $1,139,397,502 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $1,054,340,399 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2012-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2012-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2012-12-31 | No |
| Investment advisory and management fees | 2012-12-31 | $1,550,484 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2012-12-31 | $263,158,133 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2012-12-31 | $218,450,126 |
| Interest on participant loans | 2012-12-31 | $0 |
| Income. Interest from loans (other than to participants) | 2012-12-31 | $0 |
| Interest earned on other investments | 2012-12-31 | $5,303,221 |
| Income. Interest from US Government securities | 2012-12-31 | $1,775,065 |
| Income. Interest from corporate debt instruments | 2012-12-31 | $7,063,531 |
| Value of interest in master investment trust accounts at end of year | 2012-12-31 | $17,141,679 |
| Value of interest in master investment trust accounts at beginning of year | 2012-12-31 | $24,376,649 |
| Value of interest in common/collective trusts at end of year | 2012-12-31 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2012-12-31 | $9,203,634 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $1,014,360 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $1,614,866 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $1,614,866 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2012-12-31 | $-2,848 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2012-12-31 | $214,151,620 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2012-12-31 | $204,022,221 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2012-12-31 | $1,653,016 |
| Asset value of US Government securities at end of year | 2012-12-31 | $62,474,017 |
| Asset value of US Government securities at beginning of year | 2012-12-31 | $56,457,673 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2012-12-31 | $29,072,109 |
| Net investment gain/loss from pooled separate accounts | 2012-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2012-12-31 | $6,054,763 |
| Net gain/loss from 103.12 investment entities | 2012-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2012-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2012-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2012-12-31 | No |
| Contributions received in cash from employer | 2012-12-31 | $230,473,802 |
| Income. Dividends from preferred stock | 2012-12-31 | $51,883 |
| Income. Dividends from common stock | 2012-12-31 | $10,083,268 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2012-12-31 | $334,161,502 |
| Asset. Corporate debt instrument preferred debt at end of year | 2012-12-31 | $88,595,100 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2012-12-31 | $89,541,788 |
| Asset. Corporate debt instrument debt (other) at end of year | 2012-12-31 | $54,728,467 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2012-12-31 | $45,498,953 |
| Contract administrator fees | 2012-12-31 | $15,015,153 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2012-12-31 | $430,200,933 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2012-12-31 | $395,691,396 |
| Did the plan have assets held for investment | 2012-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2012-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2012-12-31 | No |
| Aggregate proceeds on sale of assets | 2012-12-31 | $327,936,295 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $329,725,542 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2012-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2012-12-31 | Disclaimer |
| Accountancy firm name | 2012-12-31 | DELOITTE & TOUCHE LLP |
| Accountancy firm EIN | 2012-12-31 | 133891517 |
| 2011 : AMERICAN ELECTRIC POWER SYSTEM COMPREHENSIVE MEDICAL PLAN 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $941,097 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $941,097 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $0 |
| Total income from all sources (including contributions) | 2011-12-31 | $279,023,051 |
| Total loss/gain on sale of assets | 2011-12-31 | $1,814,811 |
| Total of all expenses incurred | 2011-12-31 | $350,368,186 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2011-12-31 | $329,523,202 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2011-12-31 | $285,712,500 |
| Value of total assets at end of year | 2011-12-31 | $1,054,340,399 |
| Value of total assets at beginning of year | 2011-12-31 | $1,125,685,534 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $20,844,984 |
| Total interest from all sources | 2011-12-31 | $14,779,557 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $15,443,872 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2011-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2011-12-31 | $6,241,321 |
| Administrative expenses professional fees incurred | 2011-12-31 | $389,685 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2011-12-31 | $2,067,015 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2011-12-31 | $1,727,202 |
| Was this plan covered by a fidelity bond | 2011-12-31 | Yes |
| Value of fidelity bond cover | 2011-12-31 | $50,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2011-12-31 | No |
| Contributions received from participants | 2011-12-31 | $77,335,237 |
| Assets. Other investments not covered elsewhere at end of year | 2011-12-31 | $7,416,078 |
| Assets. Other investments not covered elsewhere at beginning of year | 2011-12-31 | $1,538,312 |
| Other income not declared elsewhere | 2011-12-31 | $4,700,959 |
| Administrative expenses (other) incurred | 2011-12-31 | $1,881,310 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2011-12-31 | No |
| Value of net income/loss | 2011-12-31 | $-71,345,135 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $1,054,340,399 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $1,125,685,534 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2011-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2011-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2011-12-31 | No |
| Investment advisory and management fees | 2011-12-31 | $1,501,269 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2011-12-31 | $218,450,126 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2011-12-31 | $227,595,602 |
| Interest earned on other investments | 2011-12-31 | $6,435,389 |
| Income. Interest from US Government securities | 2011-12-31 | $2,837,530 |
| Income. Interest from corporate debt instruments | 2011-12-31 | $5,506,648 |
| Value of interest in master investment trust accounts at end of year | 2011-12-31 | $24,376,649 |
| Value of interest in master investment trust accounts at beginning of year | 2011-12-31 | $22,187,244 |
| Value of interest in common/collective trusts at end of year | 2011-12-31 | $9,203,634 |
| Value of interest in common/collective trusts at beginning of year | 2011-12-31 | $10,371,193 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $1,614,866 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $1,661,755 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $1,661,755 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2011-12-31 | $-10 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2011-12-31 | $204,022,221 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2011-12-31 | $211,706,131 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2011-12-31 | $1,654,102 |
| Asset value of US Government securities at end of year | 2011-12-31 | $56,457,673 |
| Asset value of US Government securities at beginning of year | 2011-12-31 | $74,463,945 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2011-12-31 | $-39,348,670 |
| Net investment gain or loss from common/collective trusts | 2011-12-31 | $-5,058,090 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2011-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2011-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2011-12-31 | No |
| Contributions received in cash from employer | 2011-12-31 | $208,377,263 |
| Income. Dividends from preferred stock | 2011-12-31 | $78,173 |
| Income. Dividends from common stock | 2011-12-31 | $9,124,378 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2011-12-31 | $327,869,100 |
| Asset. Corporate debt instrument preferred debt at end of year | 2011-12-31 | $89,541,788 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2011-12-31 | $60,739,860 |
| Asset. Corporate debt instrument debt (other) at end of year | 2011-12-31 | $45,498,953 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2011-12-31 | $33,415,072 |
| Contract administrator fees | 2011-12-31 | $17,072,720 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2011-12-31 | $395,691,396 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2011-12-31 | $480,279,218 |
| Did the plan have assets held for investment | 2011-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2011-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2011-12-31 | No |
| Aggregate proceeds on sale of assets | 2011-12-31 | $571,472,232 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $569,657,421 |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2011-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2011-12-31 | Disclaimer |
| Accountancy firm name | 2011-12-31 | DELOITTE & TOUCHE LLP |
| Accountancy firm EIN | 2011-12-31 | 133891517 |
| 2010 : AMERICAN ELECTRIC POWER SYSTEM COMPREHENSIVE MEDICAL PLAN 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $55,897,531 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $55,897,531 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $0 |
| Total income from all sources (including contributions) | 2010-12-31 | $457,788,918 |
| Total loss/gain on sale of assets | 2010-12-31 | $0 |
| Total of all expenses incurred | 2010-12-31 | $342,343,851 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2010-12-31 | $325,901,175 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2010-12-31 | $341,174,867 |
| Value of total assets at end of year | 2010-12-31 | $1,125,685,534 |
| Value of total assets at beginning of year | 2010-12-31 | $1,010,240,467 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $16,442,676 |
| Total interest from all sources | 2010-12-31 | $15,526,511 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $12,608,884 |
| Has a resolution to terminate the plan been adopted during the plan year or any prior plan year | 2010-12-31 | No |
| Total dividends received from registered investment company shares (eg mutual funds) | 2010-12-31 | $4,258,872 |
| Administrative expenses professional fees incurred | 2010-12-31 | $372,395 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2010-12-31 | $1,727,202 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2010-12-31 | $587,943 |
| Was this plan covered by a fidelity bond | 2010-12-31 | Yes |
| Value of fidelity bond cover | 2010-12-31 | $50,000,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2010-12-31 | No |
| Contributions received from participants | 2010-12-31 | $69,625,415 |
| Assets. Other investments not covered elsewhere at end of year | 2010-12-31 | $1,538,312 |
| Assets. Other investments not covered elsewhere at beginning of year | 2010-12-31 | $6,281,786 |
| Other income not declared elsewhere | 2010-12-31 | $8,661,773 |
| Administrative expenses (other) incurred | 2010-12-31 | $-2,894,702 |
| Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser | 2010-12-31 | No |
| Value of net income/loss | 2010-12-31 | $115,445,067 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $1,125,685,534 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $1,010,240,467 |
| Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond) | 2010-12-31 | No |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2010-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2010-12-31 | No |
| Investment advisory and management fees | 2010-12-31 | $1,366,779 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2010-12-31 | $227,595,602 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2010-12-31 | $191,934,027 |
| Interest earned on other investments | 2010-12-31 | $6,973,981 |
| Income. Interest from US Government securities | 2010-12-31 | $1,665,098 |
| Income. Interest from corporate debt instruments | 2010-12-31 | $6,887,968 |
| Value of interest in master investment trust accounts at end of year | 2010-12-31 | $22,187,244 |
| Value of interest in master investment trust accounts at beginning of year | 2010-12-31 | $943,176 |
| Value of interest in common/collective trusts at end of year | 2010-12-31 | $10,371,193 |
| Value of interest in common/collective trusts at beginning of year | 2010-12-31 | $6,389,387 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $1,661,755 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $2,782,151 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $2,782,151 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2010-12-31 | $-536 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2010-12-31 | $211,706,131 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2010-12-31 | $205,490,665 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2010-12-31 | $1,459,451 |
| Asset value of US Government securities at end of year | 2010-12-31 | $74,463,945 |
| Asset value of US Government securities at beginning of year | 2010-12-31 | $32,399,602 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2010-12-31 | $23,864,430 |
| Net investment gain/loss from pooled separate accounts | 2010-12-31 | $37,803 |
| Net investment gain or loss from common/collective trusts | 2010-12-31 | $17,119 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2010-12-31 | Yes |
| Was there a failure to transmit to the plan any participant contributions | 2010-12-31 | No |
| Has the plan failed to provide any benefit when due under the plan | 2010-12-31 | No |
| Contributions received in cash from employer | 2010-12-31 | $271,549,452 |
| Income. Dividends from preferred stock | 2010-12-31 | $17,514 |
| Income. Dividends from common stock | 2010-12-31 | $8,332,498 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2010-12-31 | $324,441,724 |
| Asset. Corporate debt instrument preferred debt at end of year | 2010-12-31 | $60,739,860 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2010-12-31 | $59,646,755 |
| Asset. Corporate debt instrument debt (other) at end of year | 2010-12-31 | $33,415,072 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2010-12-31 | $62,998,777 |
| Contract administrator fees | 2010-12-31 | $17,598,204 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2010-12-31 | $480,279,218 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2010-12-31 | $440,786,198 |
| Did the plan have assets held for investment | 2010-12-31 | Yes |
| Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser | 2010-12-31 | No |
| Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC | 2010-12-31 | No |
| Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d) | 2010-12-31 | Yes |
| Opinion of an independent qualified public accountant for this plan | 2010-12-31 | Disclaimer |
| Accountancy firm name | 2010-12-31 | DELOITTE & TOUCHE LLP |
| Accountancy firm EIN | 2010-12-31 | 133891517 |
