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ALABAMA POWER CO

For the period ended Mar 31, 2026. Filed Apr 30, 2026.

View on SEC.gov

About this filing

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.

Mar 31, 2026 · Filed Apr 30, 2026

SO$92.34-1.1%Stored close · as of Nov 6, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

See the whole filing, with its images and exhibits
Contents

Definitions

TermMeaning
2022 ARPGeorgia Power's Alternate Rate Plan approved by the Georgia PSC in 2022 for the years 2023 through 2025
2023 IRP UpdateGeorgia Power's updated IRP filed in 2023 and approved by the Georgia PSC in 2024 as modified by a stipulation among Georgia Power, the staff of the Georgia PSC, and certain intervenors
AFUDCAllowance for funds used during construction
AGL Services CompanyAGL Services Company, Inc., the Southern Company Gas system service company and a wholly-owned subsidiary of Southern Company Gas
Alabama PowerAlabama Power Company
AROAsset retirement obligation
Atlanta Gas LightAtlanta Gas Light Company, a wholly-owned subsidiary of Southern Company Gas
CAMTCorporate alternative minimum tax
CCRCoal combustion residuals
Chattanooga GasChattanooga Gas Company, a wholly-owned subsidiary of Southern Company Gas
CODCommercial operation date
CODMChief operating decision maker
CWIPConstruction work in progress
DaltonCity of Dalton, Georgia, an incorporated municipality in the state of Georgia, acting by and through its Board of Water, Light, and Sinking Fund Commissioners
Dalton PipelineA pipeline facility in Georgia in which Southern Company Gas has a 50% undivided ownership interest
DOEU.S. Department of Energy
ECO PlanMississippi Power's environmental compliance overview plan
EPAU.S. Environmental Protection Agency
EPSEarnings per share
FCCFederal Communications Commission
FERCFederal Energy Regulatory Commission
FFBFederal Financing Bank
FitchFitch Ratings, Inc.
Form 10-KAnnual Report on Form 10-K of Southern Company, Alabama Power, Georgia Power, Mississippi Power, Southern Power, and Southern Company Gas for the year ended December 31, 2025, as applicable
GAAPU.S. generally accepted accounting principles
Georgia PowerGeorgia Power Company
Heating Degree DaysA measure of weather, calculated when the average daily temperatures are less than 65 degrees Fahrenheit
Heating SeasonThe period from November through March when Southern Company Gas' natural gas usage and operating revenues are generally higher
HLBVHypothetical liquidation at book value
IICIntercompany Interchange Contract
Internal Revenue CodeInternal Revenue Code of 1986, as amended
IRAInflation Reduction Act of 2022
IRPIntegrated resource plan
ITCInvestment tax credit
KWHKilowatt-hour
LIFOLast-in, first-out
LTSALong-term service agreement
MEAG PowerMunicipal Electric Authority of Georgia
Mississippi PowerMississippi Power Company
mmBtuMillion British thermal units
TermMeaning
Moody'sMoody's Investors Service, Inc.
MRAMunicipal and Rural Associations
MWMegawatt
natural gas distribution utilitiesSouthern Company Gas' natural gas distribution utilities (Nicor Gas, Atlanta Gas Light, Virginia Natural Gas, and Chattanooga Gas)
NDRAlabama Power's Natural Disaster Reserve
Nicor GasNorthern Illinois Gas Company, a wholly-owned subsidiary of Southern Company Gas
N/MNot meaningful
NRCU.S. Nuclear Regulatory Commission
OBBBOne Big Beautiful Bill Act
OCIOther comprehensive income
OPCOglethorpe Power Corporation (an electric membership corporation)
PEPMississippi Power's Performance Evaluation Plan
PowerSecurePowerSecure, Inc., a wholly-owned subsidiary of Southern Company
PPAPower purchase agreements, as well as, for Southern Power, contracts for differences that provide the owner of a renewable facility a certain fixed price for the electricity sold to the grid
PSCPublic Service Commission
PTCProduction tax credit
Rate CNPAlabama Power's Rate Certificated New Plant, consisting of Rate CNP New Plant, Rate CNP Compliance, Rate CNP PPA, and Rate CNP Depreciation
Rate ECRAlabama Power's Rate Energy Cost Recovery
Rate RSEAlabama Power's Rate Stabilization and Equalization
RegistrantsSouthern Company, Alabama Power, Georgia Power, Mississippi Power, Southern Power Company, and Southern Company Gas
ROEReturn on equity
S&PS&P Global Ratings, a division of S&P Global Inc.
SCSSouthern Company Services, Inc., the Southern Company system service company and a wholly-owned subsidiary of Southern Company
SECU.S. Securities and Exchange Commission
SEGCOSouthern Electric Generating Company, 50% owned by each of Alabama Power and Georgia Power
SNGSouthern Natural Gas Company, L.L.C., a pipeline system in which Southern Company Gas has a 50% ownership interest
SOFRSecured Overnight Financing Rate
Southern CompanyThe Southern Company
Southern Company GasSouthern Company Gas and its subsidiaries
Southern Company Gas CapitalSouthern Company Gas Capital Corporation, a wholly-owned subsidiary of Southern Company Gas
Southern Company power poolThe operating arrangement whereby the integrated generating resources of the traditional electric operating companies and Southern Power (excluding subsidiaries) are subject to joint commitment and dispatch in order to serve their combined load obligations
Southern Company systemSouthern Company, the traditional electric operating companies, Southern Power, Southern Company Gas, SEGCO, Southern Nuclear, SCS, Southern Linc, PowerSecure, and other subsidiaries
Southern HoldingsSouthern Company Holdings, Inc., a wholly-owned subsidiary of Southern Company
Southern LincSouthern Communications Services, Inc., a wholly-owned subsidiary of Southern Company,doing business as Southern Linc
Southern NuclearSouthern Nuclear Operating Company, Inc., a wholly-owned subsidiary of Southern Company
Southern PowerSouthern Power Company and its subsidiaries
SouthStarSouthStar Energy Services, LLC (a Marketer), a wholly-owned subsidiary of Southern Company Gas
TermMeaning
SP SolarSP Solar Holdings I, LP, a limited partnership indirectly owning substantially all of Southern Power's solar and battery energy storage facilities, in which Southern Power has a 67% ownership interest
SP WindSP Wind Holdings II, LLC, a holding company owning a portfolio of eight operating wind facilities and wholly owned by Southern Power as of December 31, 2025, was previously in a tax equity arrangement where Southern Power was the controlling partner through December 31, 2025
SRRMississippi Power's System Restoration Rider, a tariff for retail property damage cost recovery and reserve
Subsidiary RegistrantsAlabama Power, Georgia Power, Mississippi Power, Southern Power, and Southern Company Gas
traditional electric operating companiesAlabama Power, Georgia Power, and Mississippi Power
U.S. TreasuryU.S. Department of the Treasury
VIEVariable interest entity
Virginia Natural GasVirginia Natural Gas, Inc., a wholly-owned subsidiary of Southern Company Gas
Vogtle OwnersGeorgia Power, OPC, MEAG Power, and Dalton
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.