# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000092122-25-000084
Filing Date
2025-10-30
Accepted
2025-10-29 17:40:57
Documents
160
Period of Report
2025-09-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | so-20250930.htm iXBRL | 10-Q | 7604463
2 | EX-4.F6 | ex4-f6nicorsupplementalind.htm | EX-4.F6 | 191434
3 | EX-24.C2 | ex24-c2cookgpcpoa.htm | EX-24.C2 | 3735
4 | EX-24.D2 | ex24-d2cherrympcpoa.htm | EX-24.D2 | 4955
5 | EX-31.A1 | x31a1-q32025so.htm | EX-31.A1 | 9885
6 | EX-31.A2 | x31a2-q32025so.htm | EX-31.A2 | 9679
7 | EX-31.B1 | x31b1-q32025apc.htm | EX-31.B1 | 9831
8 | EX-31.B2 | x31b2-q32025apc.htm | EX-31.B2 | 9840
9 | EX-31.C1 | x31c1-q32025gpc.htm | EX-31.C1 | 9606
10 | EX-31.C2 | x31c2-q32025gpc.htm | EX-31.C2 | 9609
11 | EX-31.D1 | x31d1-q32025mpc.htm | EX-31.D1 | 9721
12 | EX-31.D2 | x31d2-q32025mpc.htm | EX-31.D2 | 9728
13 | EX-31.E1 | x31e1-q32025spc.htm | EX-31.E1 | 9910
14 | EX-31.E2 | x31e2-q32025spc.htm | EX-31.E2 | 9922
15 | EX-31.F1 | x31f1-q32025gas.htm | EX-31.F1 | 10058
16 | EX-31.F2 | x31f2-q32025gas.htm | EX-31.F2 | 9680
17 | EX-32.A | x32a-q32025so.htm | EX-32.A | 6117
18 | EX-32.B | x32b-q32025apc.htm | EX-32.B | 6480
19 | EX-32.C | x32c-q32025gpc.htm | EX-32.C | 6390
20 | EX-32.D | x32d-q32025mpc.htm | EX-32.D | 5962
21 | EX-32.E | x32e-q32025spc.htm | EX-32.E | 6188
22 | EX-32.F | x32f-q32025gas.htm | EX-32.F | 6196
28 |  | image2a.jpg | GRAPHIC | 13320
29 |  | screenshot2025-10x21123131a.jpg | GRAPHIC | 21542
30 |  | screenshot2025-10x22135334.jpg | GRAPHIC | 3847
| Complete submission text file | 0000092122-25-000084.txt |  | 31657185

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
23 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | so-20250930.xsd | EX-101.SCH | 136855
24 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | so-20250930_cal.xml | EX-101.CAL | 168479
25 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | so-20250930_def.xml | EX-101.DEF | 1272434
26 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | so-20250930_lab.xml | EX-101.LAB | 1152100
27 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | so-20250930_pre.xml | EX-101.PRE | 1550713
163 | EXTRACTED XBRL INSTANCE DOCUMENT | so-20250930_htm.xml | XML | 6317739

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.: 251431272
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.: 251431270
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.: 251431269
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.: 251431267
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.: 251431271
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.: 251431268
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)