v3.26.3
ACQUISITIONS, DISPOSITIONS AND IMPAIRMENTS (Tables)
 9 Months Ended
Sep. 30, 2026
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]  
Schedule of Asset Acquisition The table below summarizes the impact at acquisition on PSO’s balance sheets:
Plant NameStateFuel TypeNet Maximum CapacityProperty, Plant and Equipment,
Net		Operating Lease AssetsAsset Retirement Obligations
(MWs)(in millions)
LazbuddieTXWind265$637 $20 $8 
The table below summarizes the impact at acquisition on I&M’s balance sheets:
Plant NameStateFuel TypeNet Maximum CapacityProperty, Plant and Equipment,
Net		Materials
and
 Supplies		Accounts ReceivableAccounts Payable
(MWs)(in millions)
Big Sandy PeakerWVNatural Gas318$300 $3 $11 $4 
The table below summarizes the impact at acquisition on AGR’s balance sheets:
Plant NameStateFuel TypeNet Maximum CapacityProperty, Plant and Equipment,
Net		Materials
and
 Supplies		Accounts ReceivableAccounts Payable
(MWs)(in millions)
Wolf HillsVANatural Gas263$85 $2 $7 $3 
The table below summarizes the impact at acquisition on APCo’s balance sheets:
Plant NameStateFuel TypeNet Maximum CapacityProperty, Plant and Equipment,
Net		Operating Lease AssetsAsset Retirement Obligations
(MWs)(in millions)
Grover HillOHWind143$361 $8 $1 
The table below summarizes the impact at acquisition on I&M’s balance sheets:
Plant NameStateFuel TypeNet Maximum CapacityProperty, Plant and Equipment,
Net		Prepayments and Other Current AssetsMaterials
and
 Supplies		Accounts ReceivableAccounts Payable
(MWs)(in millions)
Oregon PlantOHNatural Gas870$918 $35 $5 $16 $9 
The table below summarizes the impact at acquisition on PSO’s balance sheets:
Plant NameStateFuel TypeNet Maximum CapacityProperty, Plant and Equipment, NetOperating Lease AssetsAsset Retirement ObligationsOther Liabilities
(MWs)(in millions)
Green CountryOKNatural Gas904$819 $— $— $91 (a)
PixleyKSSolar189380 9 12 — 
Flat Ridge IVKSWind135305 7 3 — 
Flat Ridge VKSWind153338 9 4 — 
Total1,381 $1,842 $25 $19 $91 

(a)$50 million included in Regulatory Liabilities and Deferred Investment Tax Credits, $21 million included in Other Current Liabilities and $20 million included in Deferred Credits and Other Noncurrent Liabilities on PSO’s balance sheets.