v3.26.1
Acquisitions and Dispositions (Tables)
6 Months Ended
Jun. 30, 2026
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]  
Schedule of Asset Acquisitions
Project
Facility
Resource
Approximate
Nameplate Capacity
(MW)
LocationActual/Projected
COD
PPA
Contract
Period
Projects Under Construction at June 30, 2026
Millers Branch
Phase IISolar180Haskell County, TXThird quarter 202615 years
Phase III
Solar
132Haskell County, TX
Fourth quarter 2026
15 years
Projects Completed During the Six Months Ended June 30, 2026
Millers Branch
Phase I
Solar200Haskell County, TXFebruary 202620 years
Project FacilityResource
Approximate Nameplate
Capacity
(MW)
LocationActual/Projected
Completion Date
Projects Under Construction at June 30, 2026
Kay(a)
Wind
200
Kay County, OK
   July 2026(b)
Grant
Wind
152
Grant County, OK
Fourth quarter 2026
Grant Plains
Wind
147
Grant County, OK
Fourth quarter 2026
Wake
Wind
257
Crosby & Floyd Counties, TX
Second quarter 2027
BethelWind276Castro County, TXThird quarter 2027
(a)The facility has a total capacity of 299 MWs, of which 200 MWs was projected to be repowered and is contracted under a PPA.
(b)During the first six months of 2026 and subsequent to June 30, 2026, Southern Power placed all 200 MWs of repowered capacity in service.