Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000092122-26-000034
Filing Date
2026-04-30
Accepted
2026-04-29 17:37:06
Documents
146
Period of Report
2026-03-31

Document Format Files

Seq Description Document Type Size
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3 EX-31.A2 x31a2-q12026so.htm EX-31.A2 9677
4 EX-31.B1 x31b1-q12026apc.htm EX-31.B1 9829
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8 EX-31.D1 x31d1-q12026mpc.htm EX-31.D1 9718
9 EX-31.D2 x31d2-q12026mpc.htm EX-31.D2 9725
10 EX-31.E1 x31e1-q12026spc.htm EX-31.E1 9908
11 EX-31.E2 x31e2-q12026spc.htm EX-31.E2 9920
12 EX-31.F1 x31f1-q12026gas.htm EX-31.F1 10056
13 EX-31.F2 x31f2-q12026gas.htm EX-31.F2 9678
14 EX-32.A x32a-q12026so.htm EX-32.A 6103
15 EX-32.B x32b-q12026apc.htm EX-32.B 6466
16 EX-32.C x32c-q12026gpc.htm EX-32.C 6376
17 EX-32.D x32d-q12026mpc.htm EX-32.D 5948
18 EX-32.E x32e-q12026spc.htm EX-32.E 6047
19 EX-32.F x32f-q12026gas.htm EX-32.F 6182
  Complete submission text file 0000092122-26-000034.txt   25059840

Data Files

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21 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT so-20260331_cal.xml EX-101.CAL 157469
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150 EXTRACTED XBRL INSTANCE DOCUMENT so-20260331_htm.xml XML 4593810
Mailing Address 600 N 18TH ST BIRMINGHAM AL 35291
Business Address 600 N 18TH ST P O BOX 2641 BIRMINGHAM AL 35291 2052571000
ALABAMA POWER CO (Filer) CIK: 0000003153 (see all company filings)

EIN.: 630004250 | State of Incorp.: AL | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-03164 | Film No.: 26918312
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

Mailing Address 241 RALPH MCGILL BOULEVARD ATLANTA GA 30308
Business Address 241 RALPH MCGILL BOULEVARD ATLANTA GA 30308 4045066526
GEORGIA POWER CO (Filer) CIK: 0000041091 (see all company filings)

EIN.: 580257110 | State of Incorp.: GA | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-06468 | Film No.: 26918310
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

Mailing Address 2992 WEST BEACH GULFPORT MS 39501
Business Address 2992 WEST BEACH GULFPORT MS 39501 2288641211
MISSISSIPPI POWER CO (Filer) CIK: 0000066904 (see all company filings)

EIN.: 640205820 | State of Incorp.: MS | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-11229 | Film No.: 26918309
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

Mailing Address 30 IVAN ALLEN JR. BLVD., N.W. ATLANTA GA 30308
Business Address 30 IVAN ALLEN JR. BLVD., N.W. ATLANTA GA 30308 4045065000
SOUTHERN CO (Filer) CIK: 0000092122 (see all company filings)

EIN.: 580690070 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-03526 | Film No.: 26918307
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

Mailing Address 30 IVAN ALLEN JR. BLVD ATLANTA GA 30308
Business Address 30 IVAN ALLEN JR. BLVD ATLANTA GA 30308 4045065000
SOUTHERN CO GAS (Filer) CIK: 0001004155 (see all company filings)

EIN.: 582210952 | State of Incorp.: GA | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-14174 | Film No.: 26918311
SIC: 4924 Natural Gas Distribution
(CF Office: 01 Energy & Transportation)

Mailing Address 30 IVAN ALLEN JR. BLVD ATLANTA GA 30308
Business Address 30 IVAN ALLEN JR. BLVD ATLANTA GA 30308 4045065000
SOUTHERN POWER CO (Filer) CIK: 0001160661 (see all company filings)

EIN.: 582598670
Type: 10-Q | Act: 34 | File No.: 001-37803 | Film No.: 26918308
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)