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Acquisitions and Dispositions (Tables) | 9 Months Ended
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Sep. 30, 2024
Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract] |
Schedule of Asset Acquisitions |
Project Facility | Resource | Approximate Nameplate Capacity (MW) | Location | Projected/ Actual COD | PPA Contract Period
Projects Completed During the Nine Months Ended September 30, 2024
South Cheyenne | Solar | 150 | Laramie County, WY | Second quarter 2024 | 20 years
Projects Under Construction at September 30, 2024
Millers Branch |  |  |  |  |
Phase I | Solar | 200 | Haskell County, TX | Fourth quarter 2025 | 20 years
Phase II | Solar | 180 | Haskell County, TX | Second quarter 2026 | 15 years
Phase III(*) | Solar | 90 | Haskell County, TX | Fourth quarter 2026 | 15 years
(*)Subsequent to September 30, 2024, Southern Power committed to expand construction of Phase III by 42 MWs of capacity, substantially all of which is contracted under a 15-year PPA, with commercial operation projected to occur in the fourth quarter 2026. With the addition of the 42 MWs of capacity for Phase III, the Millers Branch project has a total of 512 MWs under construction.

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- Definition Tabular disclosure of asset acquisition. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 15 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480123/805-50-15-3 + Details
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