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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000950170-22-001709
Filing Date
2022-02-23
Accepted
2022-02-23 10:28:47
Documents
132
Period of Report
2021-12-31

Document Format Files

Seq Description Document Type Size
1 10-K mgee-20211231.htm   iXBRL 10-K 9963116
2 EX-21 mgee-ex21.htm EX-21 11580
3 EX-23.1 mgee-ex23_1.htm EX-23.1 4319
4 EX-23.2 mgee-ex23_2.htm EX-23.2 4736
5 EX-31.1 mgee-ex31_1.htm EX-31.1 14825
6 EX-31.2 mgee-ex31_2.htm EX-31.2 14737
7 EX-31.3 mgee-ex31_3.htm EX-31.3 14883
8 EX-31.4 mgee-ex31_4.htm EX-31.4 15132
9 EX-32.1 mgee-ex32_1.htm EX-32.1 8006
10 EX-32.2 mgee-ex32_2.htm EX-32.2 8136
11 EX-32.3 mgee-ex32_3.htm EX-32.3 8023
12 EX-32.4 mgee-ex32_4.htm EX-32.4 8152
13 GRAPHIC img46182255_0.jpg GRAPHIC 134131
14 GRAPHIC img46182255_1.jpg GRAPHIC 566411
15 GRAPHIC img46182255_2.jpg GRAPHIC 128399
16 GRAPHIC img46182255_3.jpg GRAPHIC 24687
  Complete submission text file 0000950170-22-001709.txt   41593667

Data Files

Seq Description Document Type Size
17 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT mgee-20211231_cal.xml EX-101.CAL 153695
18 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT mgee-20211231_lab.xml EX-101.LAB 1120758
19 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT mgee-20211231_pre.xml EX-101.PRE 997916
20 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT mgee-20211231_def.xml EX-101.DEF 795003
21 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT mgee-20211231.xsd EX-101.SCH 145719
126 EXTRACTED XBRL INSTANCE DOCUMENT mgee-20211231_htm.xml XML 11159072
Mailing Address P.O. BOX 1231 MADISON WI 53701-1231
Business Address 133 SOUTH BLAIR STREET P.O. BOX 1231 MADISON WI 53701-1231 (608) 252-7000
MADISON GAS & ELECTRIC CO (Filer) CIK: 0000061339 (see all company filings)

IRS No.: 390444025 | State of Incorp.: WI | Fiscal Year End: 1025
Type: 10-K | Act: 34 | File No.: 000-01125 | Film No.: 22661226
SIC: 4931 Electric & Other Services Combined

Mailing Address 133 SOUTH BLAIR STREET P.O. BOX 1231 MADISON WI 53701-1231
Business Address 133 SOUTH BLAIR STREET P.O. BOX 1231 MADISON WI 53701-1231 (608) 252-7000
MGE ENERGY INC (Filer) CIK: 0001161728 (see all company filings)

IRS No.: 392040501 | State of Incorp.: WI | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-49965 | Film No.: 22661225
SIC: 4900 Electric, Gas & Sanitary Services