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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)

IRS No.: 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)

IRS No.: 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)

IRS No.: 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)

IRS No.: 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)

IRS No.: 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)

IRS No.: 582598670
Type: 10-K | Act: 34 | File No.: 001-37803 | Film No.: 22644869
SIC: 4911 Electric Services