Acquisitions and Dispositions (Tables)

6 Months Ended

Jun. 30, 2022

Business Combination and Asset Acquisition [Abstract]

Schedule of Construction Projects

Project Facility	Resource	Approximate Nameplate Capacity (MW)	Location	COD	PPA Contract Period
Projects Completed During the Six Months Ended June 30, 2022
Garland Solar Storage(a)	Battery energy storage system	88	Kern County, CA	September 2021 through February 2022(b)	20 years
Tranquillity Solar Storage(a)	Battery energy storage system	72	Fresno County, CA	November 2021 through March 2022(c)	20 years

(a)Southern Power consolidates each project's operating results in its financial statements and the tax equity partner and two other partners each own a noncontrolling interest.

(b)The facility has a total capacity of 88 MWs, of which 73 MWs were placed in service in 2021 and 15 MWs were placed in service in February 2022.

(c)The facility has a total capacity of 72 MWs, of which 32 MWs were placed in service in 2021 and 40 MWs were placed in service in March 2022.