ALABAMA POWER CO
For the period ended Sep 30, 2026. Filed Nov 5, 2026.
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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.
Sep 30, 2026 · Filed Nov 5, 2026
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Acquisitions and Dispositions
(K)ACQUISITIONS AND DISPOSITIONS
See Note 15 to the financial statements in Item 8 of the Form 10-K for additional information.
Construction Projects
During the nine months ended September 30, 2026, Southern Power completed construction of and placed in service the 200-MW first phase and the 180-MW second phase and continued construction of the 132-MW third phase of the Millers Branch solar facility. At September 30, 2026, the total cost of construction incurred for the
Millers Branch project was $745 million, of which $178 million remains in CWIP. The ultimate outcome of these matters cannot be determined at this time.
| ProjectFacility | Resource | ApproximateNameplate Capacity(MW) | Location | Actual/ProjectedCOD | PPAContractPeriod |
|---|---|---|---|---|---|
| Projects Under Construction at September 30, 2026 | |||||
| Millers Branch | |||||
| Phase III | Solar | 132 | Haskell County, TX | Fourth quarter 2026 | 15 years |
| Projects Completed During the Nine Months Ended September 30, 2026 | |||||
| Millers Branch | |||||
| Phase I | Solar | 200 | Haskell County, TX | February 2026 | 20 years |
| Phase II | Solar | 180 | Haskell County, TX | August 2026 | 15 years |
Wind Repowering Projects
During the nine months ended September 30, 2026, Southern Power completed development projects to repower the Kay and Grant wind facilities and continued the development projects to repower the Grant Plains, Wake, and Bethel wind facilities. At September 30, 2026, the total cost of construction incurred related to the projects was $768 million, of which $381 million remains 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 Facility | Resource | Approximate NameplateCapacity(MW) | Location | Actual/ProjectedCompletion Date |
|---|---|---|---|---|
| Projects Under Construction at September 30, 2026 | ||||
| Grant Plains | Wind | 147 | Grant County, OK | Fourth quarter 2026(a) |
| Wake | Wind | 257 | Crosby & Floyd Counties, TX | Second quarter 2027 |
| Bethel | Wind | 276 | Castro County, TX | Third quarter 2027 |
| Projects Completed During the Nine Months Ended September 30, 2026 | ||||
| Kay(b) | Wind | 200 | Kay County, OK | July 2026 |
| Grant | Wind | 152 | Grant County, OK | September 2026 |
(a)During the first nine months of 2026 and subsequent to September 30, 2026, Southern Power placed 82 MWs of repowered capacity in service.
(b)The facility has a total capacity of 299 MWs, of which 200 MWs was repowered and is contracted under a PPA.
Natural Gas Turbine Uprate Projects
In the first quarter 2026, Southern Power committed to projects to uprate certain turbines at its existing Franklin and Wansley natural gas facilities, located in Lee County, Alabama and Heard County, Georgia, respectively. The uprates are projected to add up to 400 MWs of incremental capacity, with commercial operations projected to begin between the second quarter 2029 and the fourth quarter 2030. At September 30, 2026, the total cost of construction incurred related to the projects was $105 million, which is included in CWIP. The ultimate outcome of these matters cannot be determined at this time.
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