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VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Dec. 31, 2025
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
VALUATION AND QUALIFYING ACCOUNTS
SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS
FOR THE YEARS ENDED DECEMBER 31, 2025, 2024, AND 2023

Additions
DescriptionBalance at Beginning of PeriodCharged to IncomeCharged to Other Accounts
Deductions(*)
Balance at End of Period
(in millions)
Provision for uncollectible accounts:
Southern Company
2025$74 $127 $7 $124 $84 
202468 119 (1)112 74 
202371 87 3 93 68 
Alabama Power
2025$22 $22 $— $21 $23 
202416 26 — 20 22 
202314 16 — 14 16 
Georgia Power
2025$15 $52 $— $60 $7 
20244 51 — 40 15 
20233 26 — 25 4 
Mississippi Power
2025$1 $2 $— $2 $1 
20241 2 — 2 1 
20231 2 — 2 1 
Southern Power
2025$— $— $— $— $— 
20241 (1)— — — 
20231 — — — 1 
Southern Company Gas
2025$33 $50 $7 $40 $50 
202444 39 (1)49 33 
202350 43 3 52 44 
(*)Deductions represent write-offs of accounts considered to be uncollectible, less recoveries of amounts previously written off.
SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS (CONTINUED)
FOR THE YEARS ENDED DECEMBER 31, 2025, 2024, AND 2023

Additions
DescriptionBalance at Beginning of PeriodCharged to IncomeCharged to Other AccountsDeductionsBalance at End of Period
(in millions)
Tax valuation allowance (net state):
Southern Company(a)(b)(c)
2025$268 $128 $— $39 $357 
2024168 97 3 — 268 
2023207 (14)(25)— 168 
Georgia Power(b)
2025$124 $126 $— $39 $211 
202460 97 (33)— 124 
202398 (15)(23)— 60 
Mississippi Power(c)
2025$32 $— $— $— $32 
202432 — — — 32 
202332 — — — 32 
Southern Power(c)
2025$21 $2 $— $— $23 
202421 — — — 21 
202321 — — — 21 
Southern Company Gas(c)
2025$4 $— $— $— $4 
20245 — (1)— 4 
20237 — (2)— 5 
(a)In 2024, Southern Company established a valuation allowance for certain Georgia state tax credits expected to expire prior to being fully utilized.
(b)In 2018, Georgia Power established a valuation allowance for certain Georgia state tax credits expected to expire prior to being fully utilized, which has been adjusted in subsequent years as a result of changes in projected state taxable income.
(c)Associated with a state net operating loss carryforward expected to expire prior to being fully utilized.
See Note 10 to the financial statements in Item 8 herein for additional information.