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Rate Matters (Tables)
 6 Months Ended
Jun. 30, 2022
Regulated Generating Units to be Retired
PlantNet Book ValueAccelerated Depreciation Regulatory AssetCost of Removal
Regulatory Liability		Projected
Retirement Date		Current Authorized
Recovery Period		Annual
Depreciation (a)
(dollars in millions)
Northeastern Plant, Unit 3$151.3 $136.9 $20.2 (b)2026(c)$14.9 
Pirkey Power Plant75.1 129.3 39.5 2023(d)13.2 
Welsh Plant, Units 1 and 3449.4 65.9 58.8 (e)2028(f)38.4 

(a)Represents the amount of annual depreciation that has been collected from customers over the prior 12-month period.
(b)Includes Northeastern Plant, Unit 4, which was retired in 2016. Removal of Northeastern Plant, Unit 4, will be performed with Northeastern Plant, Unit 3, after retirement.
(c)Northeastern Plant, Unit 3 is currently being recovered through 2040.
(d)Pirkey Power Plant is currently being recovered through 2025 in the Louisiana jurisdiction and through 2045 in the Arkansas and Texas jurisdictions.
(e)Includes Welsh Plant, Unit 2, which was retired in 2016. Removal of Welsh Plant, Unit 2, will be performed with Welsh Plant, Units 1 and 3, after retirement.
(f)Unit 1 is being recovered through 2027 in the Louisiana jurisdiction and through 2037 in the Arkansas and Texas jurisdictions. Unit 3 is being recovered through 2032 in the Louisiana jurisdiction and through 2042 in the Arkansas and Texas jurisdictions.
Regulatory Assets Pending Final Regulatory Approval
AEP
June 30,December 31,
20222021
 Noncurrent Regulatory Assets(in millions)
  
Regulatory Assets Currently Earning a Return  
Unrecovered Winter Storm Fuel Costs (a)$133.7 $430.2 
Pirkey Power Plant Accelerated Depreciation129.3 87.0 
Welsh Plant, Units 1 and 3 Accelerated Depreciation65.9 45.9 
Dolet Hills Power Station Accelerated Depreciation 52.8 72.3 
Plant Retirement Costs – Unrecovered Plant, Louisiana35.2 35.2 
Dolet Hills Power Station Fuel Costs - Louisiana31.5 30.9 
Other Regulatory Assets Pending Final Regulatory Approval14.7 9.2 
Regulatory Assets Currently Not Earning a Return  
Storm-Related Costs322.3 256.9 
Plant Retirement Costs – Asset Retirement Obligation Costs25.9 25.9 
Renewable Energy Portfolio Standards Costs - Virginia14.0 2.1 
COVID-1911.5 11.2 
Other Regulatory Assets Pending Final Regulatory Approval42.8 41.8 
Total Regulatory Assets Pending Final Regulatory Approval$879.6 $1,048.6 
(a) Includes $37 million and $63 million of unrecovered winter storm fuel costs recorded as a current regulatory asset as of June 30, 2022 and December 31, 2021, respectively.
AEP Texas
June 30,December 31,
20222021
Noncurrent Regulatory Assets(in millions)
Regulatory Assets Currently Earning a Return
Mobile Generation Lease Payments$4.1 $— 
Regulatory Assets Currently Not Earning a Return  
Storm-Related Costs26.5 22.4 
Vegetation Management Program5.2 5.2 
Texas Retail Electric Provider Bad Debt Expense4.1 4.1 
COVID-193.7 2.1 
Other Regulatory Assets Pending Final Regulatory Approval8.1 7.4 
Total Regulatory Assets Pending Final Regulatory Approval$51.7 $41.2 

APCo
June 30,December 31,
20222021
Noncurrent Regulatory Assets(in millions)
Regulatory Assets Currently Earning a Return
COVID-19 – Virginia$6.9 $6.8 
Regulatory Assets Currently Not Earning a Return  
Storm-Related Costs97.4 68.8 
Plant Retirement Costs – Asset Retirement Obligation Costs25.9 25.9 
Renewable Energy Portfolio Standards Costs - Virginia14.0 2.1 
Other Regulatory Assets Pending Final Regulatory Approval2.1 1.5 
Total Regulatory Assets Pending Final Regulatory Approval$146.3 $105.1 
 I&M
June 30,December 31,
20222021
Noncurrent Regulatory Assets(in millions)
  
Regulatory Assets Currently Earning a Return
Other Regulatory Assets Pending Final Regulatory Approval$0.1 $0.1 
Regulatory Assets Currently Not Earning a Return  
COVID-190.1 1.7 
Other Regulatory Assets Pending Final Regulatory Approval1.5 1.9 
Total Regulatory Assets Pending Final Regulatory Approval$1.7 $3.7 
 OPCo
June 30,December 31,
20222021
Noncurrent Regulatory Assets(in millions)
  
Regulatory Assets Currently Not Earning a Return  
Storm-Related Costs$25.1 $3.8 
Total Regulatory Assets Pending Final Regulatory Approval$25.1 $3.8 

 PSO
June 30,December 31,
20222021
Noncurrent Regulatory Assets(in millions)
  
Regulatory Assets Currently Not Earning a Return  
Storm-Related Costs$20.4 $13.9 
Other Regulatory Assets Pending Final Regulatory Approval0.1 0.3 
Total Regulatory Assets Pending Final Regulatory Approval$20.5 $14.2 
.
SWEPCo
June 30,December 31,
20222021
Noncurrent Regulatory Assets(in millions)
  
Regulatory Assets Currently Earning a Return  
Unrecovered Winter Storm Fuel Costs (a)$133.7 $430.2 
Pirkey Power Plant Accelerated Depreciation129.3 87.0 
Welsh Plant, Units 1 and 3 Accelerated Depreciation65.9 45.9 
Dolet Hills Power Station Accelerated Depreciation52.8 72.3 
Plant Retirement Costs – Unrecovered Plant, Louisiana
35.2 35.2 
Dolet Hills Power Station Fuel Costs- Louisiana31.5 30.9 
Other Regulatory Assets Pending Final Regulatory Approval3.5 2.4 
Regulatory Assets Currently Not Earning a Return  
Storm-Related Costs151.3 148.0 
Asset Retirement Obligation - Louisiana11.0 10.3 
Other Regulatory Assets Pending Final Regulatory Approval17.5 18.4 
Total Regulatory Assets Pending Final Regulatory Approval$631.7 $880.6 
(a) Includes $37 million and $63 million of unrecovered winter storm fuel costs recorded as a current regulatory asset as of June 30, 2022 and December 31, 2021, respectively.