Company: SOJE
Filing Date: 2025-10-30
Form Type: 10-Q
Source: 0000092122-25-000084
Chunk: 93

Company: SOUTHERN CO
Filing Date: 2025-10-30
Form: 10-Q
Item: Item 1
Chunk 93
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-affiliated third party through April 2027. See Note (B) under "Alabama Power – Petition for Certificate of Convenience and Necessity" for additional information.

Mississippi PowerOn July 30, 2025, Mississippi Power completed the acquisition of FP&L's 50% interest in Plant Daniel Units 1 and 2 and, as part of the acquisition, received approximately $36 million from FP&L. See Note (B) under "Mississippi Power – Plant Daniel" for additional information.

Southern PowerConstruction ProjectsDuring the nine months ended September 30, 2025, Southern Power continued construction of the three phases of the 512-MW Millers Branch solar facility. At September 30, 2025, the total cost of construction incurred for the Millers Branch project was $661 million, which is primarily included in CWIP. The ultimate outcome of these matters cannot be determined at this time.Project FacilityResourceApproximate Nameplate Capacity(MW)LocationProjected CODPPA Contract PeriodProjects Under Construction at September 30, 2025Millers BranchPhase ISolar200Haskell County, TXFourth quarter 202520 yearsPhase IISolar180Haskell County, TXSecond quarter 202615 yearsPhase IIISolar132Haskell County, TXFourth quarter 202615 yearsWind Repowering ProjectsDuring the nine months ended September 30, 2025, Southern Power continued the development project to repower the Kay Wind facility and began development projects to repower the Grant Plains, Grant Wind, and Wake Wind facilities. At September 30, 2025, the total cost of construction incurred related to the projects was $165 million and 

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    Table of Contents                                Index to Financial StatementsNOTES TO THE CONDENSED FINANCIAL STATEMENTS (Continued)(UNAUDITED)

is included in CWIP. The repowered output of the facilities is contracted under new and amended PPAs. The ultimate outcome of these matters cannot be determined at this time.Project FacilityResourceApproximate Nameplate Capacity(MW)LocationProjected CODProjects Under Construction at September 30, 2025Kay Wind(*)Wind200Kay County, OKThird quarter 2026Grant PlainsWind147Grant County, OKFourth quarter 2026Grant WindWind152Grant County, OKFourth quarter 2026Wake WindWind257Crosby & Floyd Counties, TXSecond quarter 2027(*)The facility has a total capacity of 299 MWs, of