VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2023

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS

FOR THE YEARS ENDED DECEMBER 31, 2023, 2022, AND 2021


			Additions
Description	Balance at Beginning of Period		Charged to Income		Charged to Other Accounts		Deductions(a)		Balance at End of Period
	(in millions)
Provision for uncollectible accounts:

Southern Company(b)
2023	$	71	$	87	$	3	$	93	$	68
2022	78		71		(1)		77		71
2021	118		51		(23)		68		78

Alabama Power
2023	$	14	$	16	$	—	$	14	$	16
2022	14		10		—		10		14
2021	43		(7)		—		22		14

Georgia Power(b)
2023	$	3	$	26	$	—	$	25	$	4
2022	2		21		—		20		3
2021	26		16		(23)		17		2

Mississippi Power
2023	$	1	$	2	$	—	$	2	$	1
2022	1		1		1		2		1
2021	1		1		—		1		1

Southern Power
2023	$	1	$	—	$	—	$	—	$	1
2022	5		(2)		—		2		1
2021	—		5		—		—		5

Southern Company Gas
2023	$	50	$	43	$	3	$	52	$	44
2022	39		55		—		44		50
2021	40		26		—		27		39

(a)Deductions represent write-offs of accounts considered to be uncollectible, less recoveries of amounts previously written off.

(b)During 2020, Georgia Power recorded $23 million of expected bad debt related to the COVID-19 pandemic to a regulatory asset in accordance with orders from the Georgia PSC. During 2021, based on a review of bad debt amounts under a Georgia PSC-approved methodology, Georgia Power reversed substantially all of the amount recorded in 2020.

SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS (CONTINUED)

FOR THE YEARS ENDED DECEMBER 31, 2023, 2022, AND 2021


			Additions
Description	Balance at Beginning of Period		Charged to Income		Charged to Other Accounts		Deductions		Balance at End of Period
	(in millions)
Tax valuation allowance (net state):

Southern Company(a)(b)
2023	$	207	$	(14)	$	(25)	$	—	$	168
2022	169		68		(30)		—		207
2021	112		57		—		—		169

Georgia Power(a)
2023	$	98	$	(15)	$	(23)	$	—	$	60
2022	58		70		(30)		—		98
2021	28		30		—		—		58

Mississippi Power(b)
2023	$	32	$	—	$	—	$	—	$	32
2022	32		—		—		—		32
2021	32		—		—		—		32

Southern Power(b)
2023	$	21	$	—	$	—	$	—	$	21
2022	21		—		—		—		21
2021	27		(6)		—		—		21

Southern Company Gas(b)
2023	$	7	$	—	$	(2)	$	—	$	5
2022	7		—		—		—		7
2021	4		3		—		—		7

(a)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.

(b)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.