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Benefit Plans
 3 Months Ended
Mar. 31, 2012
Benefit Plans

5. BENEFIT PLANS

 

Components of Net Periodic Benefit Cost

 

The following table provides the components of our net periodic benefit cost for the plans for the three months ended March 31, 2012 and 2011:

   Other Postretirement
 Pension Plans Benefit Plans
 Three Months Ended March 31, Three Months Ended March 31,
 2012 2011 2012 2011
 (in millions)
Service Cost$ 19 $ 18 $ 12 $ 11
Interest Cost  56   59   26   27
Expected Return on Plan Assets  (80)   (79)   (25)   (27)
Amortization of Prior Service Credit  -   -   (5)   -
Amortization of Net Actuarial Loss  37   30   14   7
Net Periodic Benefit Cost$ 32 $ 28 $ 22 $ 18
Appalachian Power Co [Member]
  
Benefit Plans

4. BENEFIT PLANS

 

The Registrant Subsidiaries participate in an AEP sponsored qualified pension plan and two unfunded nonqualified pension plans. Substantially all employees are covered by the qualified plan or both the qualified plan and a nonqualified pension plan. The Registrant Subsidiaries also participate in OPEB plans sponsored by AEP to provide medical and life insurance benefits for retired employees.

 

Components of Net Periodic Benefit Cost

 

The following tables provide the components of net periodic benefit cost by Registrant Subsidiary for the plans for the three months ended March 31, 2012 and 2011:

APCo  Other Postretirement
 Pension Plans Benefit Plans
 Three Months Ended March 31, Three Months Ended March 31,
 2012 2011 2012 2011
 (in thousands)
Service Cost$ 1,891 $ 1,800 $ 1,347 $ 1,246
Interest Cost  7,553   8,070   4,616   4,867
Expected Return on Plan Assets  (10,486)   (10,458)   (4,188)   (4,496)
Amortization of Transition Obligation  -   -   200   286
Amortization of Prior Service Cost (Credit)  119   229   (716)   (43)
Amortization of Net Actuarial Loss  5,085   4,141   2,631   1,455
Net Periodic Benefit Cost$ 4,162 $ 3,782 $ 3,890 $ 3,315
Indiana Michigan Power Co [Member]
  
Benefit Plans

4. BENEFIT PLANS

 

The Registrant Subsidiaries participate in an AEP sponsored qualified pension plan and two unfunded nonqualified pension plans. Substantially all employees are covered by the qualified plan or both the qualified plan and a nonqualified pension plan. The Registrant Subsidiaries also participate in OPEB plans sponsored by AEP to provide medical and life insurance benefits for retired employees.

 

Components of Net Periodic Benefit Cost

 

The following tables provide the components of net periodic benefit cost by Registrant Subsidiary for the plans for the three months ended March 31, 2012 and 2011:

I&M  Other Postretirement
 Pension Plans Benefit Plans
 Three Months Ended March 31, Three Months Ended March 31,
 2012 2011 2012 2011
 (in thousands)
Service Cost$ 2,477 $ 2,358 $ 1,655 $ 1,530
Interest Cost  6,561   6,929   3,196   3,403
Expected Return on Plan Assets  (9,391)   (9,214)   (3,211)   (3,472)
Amortization of Transition Obligation  -   -   33   47
Amortization of Prior Service Cost (Credit)  102   186   (596)   (59)
Amortization of Net Actuarial Loss  4,392   3,534   1,762   891
Net Periodic Benefit Cost$ 4,141 $ 3,793 $ 2,839 $ 2,340
Ohio Power Co [Member]
  
Benefit Plans

4. BENEFIT PLANS

 

The Registrant Subsidiaries participate in an AEP sponsored qualified pension plan and two unfunded nonqualified pension plans. Substantially all employees are covered by the qualified plan or both the qualified plan and a nonqualified pension plan. The Registrant Subsidiaries also participate in OPEB plans sponsored by AEP to provide medical and life insurance benefits for retired employees.

 

Components of Net Periodic Benefit Cost

 

The following tables provide the components of net periodic benefit cost by Registrant Subsidiary for the plans for the three months ended March 31, 2012 and 2011:

OPCo  Other Postretirement
 Pension Plans Benefit Plans
 Three Months Ended March 31, Three Months Ended March 31,
 2012 2011 2012 2011
 (in thousands)
Service Cost$ 2,751 $ 2,557 $ 2,187 $ 1,957
Interest Cost  11,298   12,078   6,047   6,375
Expected Return on Plan Assets  (17,100)   (16,366)   (5,639)   (6,129)
Amortization of Transition Obligation  -   -   26   37
Amortization of Prior Service Cost (Credit)  186   368   (968)   (53)
Amortization of Net Actuarial Loss  7,610   6,200   3,417   1,804
Net Periodic Benefit Cost$ 4,745 $ 4,837 $ 5,070 $ 3,991
Public Service Co Of Oklahoma [Member]
  
Benefit Plans

4. BENEFIT PLANS

 

The Registrant Subsidiaries participate in an AEP sponsored qualified pension plan and two unfunded nonqualified pension plans. Substantially all employees are covered by the qualified plan or both the qualified plan and a nonqualified pension plan. The Registrant Subsidiaries also participate in OPEB plans sponsored by AEP to provide medical and life insurance benefits for retired employees.

 

Components of Net Periodic Benefit Cost

 

The following tables provide the components of net periodic benefit cost by Registrant Subsidiary for the plans for the three months ended March 31, 2012 and 2011:

PSO  Other Postretirement
 Pension Plans Benefit Plans
 Three Months Ended March 31, Three Months Ended March 31,
 2012 2011 2012 2011
 (in thousands)
Service Cost$ 1,488 $ 1,438 $ 709 $ 655
Interest Cost  3,075   3,305   1,449   1,512
Expected Return on Plan Assets  (4,504)   (4,366)   (1,480)   (1,566)
Amortization of Transition Obligation  -   -   -   -
Amortization of Prior Service Credit  (237)   (236)   (270)   (19)
Amortization of Net Actuarial Loss  2,052   1,678   797   388
Net Periodic Benefit Cost$ 1,874 $ 1,819 $ 1,205 $ 970
Southwestern Electric Power Co [Member]
  
Benefit Plans

4. BENEFIT PLANS

 

The Registrant Subsidiaries participate in an AEP sponsored qualified pension plan and two unfunded nonqualified pension plans. Substantially all employees are covered by the qualified plan or both the qualified plan and a nonqualified pension plan. The Registrant Subsidiaries also participate in OPEB plans sponsored by AEP to provide medical and life insurance benefits for retired employees.

 

Components of Net Periodic Benefit Cost

 

The following tables provide the components of net periodic benefit cost by Registrant Subsidiary for the plans for the three months ended March 31, 2012 and 2011:

SWEPCo  Other Postretirement
 Pension Plans Benefit Plans
 Three Months Ended March 31, Three Months Ended March 31,
 2012 2011 2012 2011
 (in thousands)
Service Cost$ 1,775 $ 1,642 $ 831 $ 757
Interest Cost  3,134   3,318   1,668   1,742
Expected Return on Plan Assets  (4,717)   (4,595)   (1,699)   (1,800)
Amortization of Transition Obligation  -   -   -   -
Amortization of Prior Service Cost (Credit)  (198)   (198)   (233)   65
Amortization of Net Actuarial Loss  2,083   1,680   915   446
Net Periodic Benefit Cost$ 2,077 $ 1,847 $ 1,482 $ 1,210