# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000092122-22-000003
Filing Date
2022-02-17
Accepted
2022-02-16 17:44:30
Documents
290
Period of Report
2021-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | so-20211231.htm iXBRL | 10-K | 19748091
2 | EX-4.A4 | x4a4-q42021.htm | EX-4.A4 | 521691
3 | EX-10.A25 | x10a25-q42021.htm | EX-10.A25 | 21731
4 | EX-21.A | x21a-q42021.htm | EX-21.A | 105684
5 | EX-23.A1 | x23a1-q42021.htm | EX-23.A1 | 2524
6 | EX-23.B1 | x23b1-q42021.htm | EX-23.B1 | 2183
7 | EX-23.C1 | x23c1-q42021.htm | EX-23.C1 | 2011
8 | EX-23.D1 | x23d1-q42021.htm | EX-23.D1 | 2136
9 | EX-23.E1 | x23e1-q42021.htm | EX-23.E1 | 2030
10 | EX-23.F1 | x23f1-q42021.htm | EX-23.F1 | 2122
11 | EX-23.F2 | x23f2-q42021.htm | EX-23.F2 | 2821
12 | EX-24.A1 | x24a1-q42021.htm | EX-24.A1 | 22428
13 | EX-24.B1 | x24b1-q42021.htm | EX-24.B1 | 21206
14 | EX-24.B2 | x24b2-q42021.htm | EX-24.B2 | 4922
15 | EX-24.B3 | x24b3-q42021.htm | EX-24.B3 | 4930
16 | EX-24.C1 | x24c1-q42021.htm | EX-24.C1 | 19573
17 | EX-24.C2 | x24c2-q42022.htm | EX-24.C2 | 3039
18 | EX-24.D1 | x24d1-q42021.htm | EX-24.D1 | 20926
19 | EX-24.D2 | x24d2-q42021.htm | EX-24.D2 | 5169
20 | EX-24.E1 | x24e1-q42021.htm | EX-24.E1 | 20926
21 | EX-24.F1 | x24f1-q42021.htm | EX-24.F1 | 20946
22 | EX-31.A1 | x31a1-q42021.htm | EX-31.A1 | 10084
23 | EX-31.A2 | x31a2-q42021.htm | EX-31.A2 | 9934
24 | EX-31.B1 | x31b1-q42021.htm | EX-31.B1 | 10091
25 | EX-31.B2 | x31b2-q42021.htm | EX-31.B2 | 10111
26 | EX-31.C1 | x31c1-q42021.htm | EX-31.C1 | 9909
27 | EX-31.C2 | x31c2-q42021.htm | EX-31.C2 | 9889
28 | EX-31.D1 | x31d1-q42021.htm | EX-31.D1 | 10004
29 | EX-31.D2 | x31d2-q42021.htm | EX-31.D2 | 9997
30 | EX-31.E1 | x31e1-q42021.htm | EX-31.E1 | 10180
31 | EX-31.E2 | x31e2-q42021.htm | EX-31.E2 | 10252
32 | EX-31.F1 | x31f1-q42021.htm | EX-31.F1 | 10137
33 | EX-31.F2 | x31f2-q42021.htm | EX-31.F2 | 9936
34 | EX-32.A | x32a-q42021.htm | EX-32.A | 6244
35 | EX-32.B | x32b-q42021.htm | EX-32.B | 6669
36 | EX-31.C | x32c-q42021.htm | EX-32.C | 6590
37 | EX-32.D | x32d-q42021.htm | EX-32.D | 6140
38 | EX-32.E | x32e-q42021.htm | EX-32.E | 6375
39 | EX-32.F | x32f-q42021.htm | EX-32.F | 6363
| Complete submission text file | 0000092122-22-000003.txt |  | 81755431

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
40 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | so-20211231.xsd | EX-101.SCH | 321988
41 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | so-20211231_cal.xml | EX-101.CAL | 378500
42 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | so-20211231_def.xml | EX-101.DEF | 2647655
43 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | so-20211231_lab.xml | EX-101.LAB | 2609704
44 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | so-20211231_pre.xml | EX-101.PRE | 2941771
284 | EXTRACTED XBRL INSTANCE DOCUMENT | so-20211231_htm.xml | XML | 22422698

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-K | Act: 34 | File No.: 001-03164 | Film No.: 22644872
SIC: 4911 Electric Services

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-K | Act: 34 | File No.: 001-06468 | Film No.: 22644871
SIC: 4911 Electric Services

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-K | Act: 34 | File No.: 001-11229 | Film No.: 22644870
SIC: 4911 Electric Services

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-K | Act: 34 | File No.: 001-03526 | Film No.: 22644867
SIC: 4911 Electric Services

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-K | Act: 34 | File No.: 001-14174 | Film No.: 22644868
SIC: 4924 Natural Gas Distribution

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-K | Act: 34 | File No.: 001-37803 | Film No.: 22644869
SIC: 4911 Electric Services