Company: SOJE
Filing Date: 2025-10-30
Form Type: 10-Q
Source: 0000092122-25-000084
Chunk: 232

Company: SOUTHERN CO
Filing Date: 2025-10-30
Form: 10-Q
Item: Item 8
Chunk 232
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 recognize capital costs previously charged to income. Georgia Power's net investment in connection with Plant Vogtle Units 3 and 4 at September 30, 2025 is $10.690 billion, which excludes capitalized AFUDC of approximately $440 million accrued through Unit 4's in-service date.Other ConstructionAt September 30, 2025, Georgia Power had recorded approximately $1.5 billion of combined capital costs, excluding AFUDC, for the projects reflected in the table below. The total certified amounts related to these projects are approximately $2.8 billion, excluding AFUDC. The ultimate outcome of these matters cannot be determined at this time.Project(*)ResourceApproximate Nameplate Capacity(MW)Projected CODRegulatory ApprovalProjects Under Construction at September 30, 2025McGrau FordBattery energy storage265Fourth quarter 20262022 IRPPlant Yates Units 8 through 10Combustion turbine1,326Fourth quarter 2026 through third quarter 20272023 IRP UpdateVarious facilitiesBattery energy storage500Second quarter 2026 through fourth quarter 20262023 IRP Update(*)Excludes a 200-MW battery energy storage facility which has not incurred significant costs. See "Integrated Resource Plans" herein for additional information.

Mississippi PowerPerformance Evaluation PlanOn June 17, 2025, the Mississippi PSC approved Mississippi Power's annual retail PEP filing for 2025, resulting in an annual increase in revenues of approximately 4.0%, or $41 million, primarily due to increases in investment and depreciation. In accordance with the PEP rate schedule, an increase of 2.0% of total retail revenues, or approximately $22 million, became effective with the first billing cycle of April 2025, and the remaining approximately $19 million became effective with the first billing cycle of July 2025.Integrated Resource PlansOn July 8, 2025, Mississippi Power extended 50 MWs of an existing 750-MW affiliate PPA with Georgia Power for an additional year through December 31, 2029, subject to approval by the Georgia PSC. The ultimate outcome of this matter cannot be determined at this time. See "Georgia Power – Integrated Resource Plans" herein for additional information.Environmental Compliance Overview PlanOn April 1, 2025, the Mississippi PSC approved Mississippi Power's annual ECO Plan filing for 2025, resulting in a $6 million annual increase in revenues effective with