Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000950170-25-026262
Filing Date
2025-02-25
Accepted
2025-02-25 12:41:14
Documents
135
Period of Report
2024-12-31

Document Format Files

Seq Description Document Type Size
1 10-K mgee-20241231.htm   iXBRL 10-K 9788412
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3 EX-21 mgee-ex21.htm EX-21 11774
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5 EX-23.2 mgee-ex23_2.htm EX-23.2 4850
6 EX-31.1 mgee-ex31_1.htm EX-31.1 14696
7 EX-31.2 mgee-ex31_2.htm EX-31.2 14643
8 EX-31.3 mgee-ex31_3.htm EX-31.3 14755
9 EX-31.4 mgee-ex31_4.htm EX-31.4 15012
10 EX-32.1 mgee-ex32_1.htm EX-32.1 7992
11 EX-32.2 mgee-ex32_2.htm EX-32.2 8121
12 EX-32.3 mgee-ex32_3.htm EX-32.3 8008
13 EX-32.4 mgee-ex32_4.htm EX-32.4 8137
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15 GRAPHIC img48952818_0.jpg GRAPHIC 358559
16 GRAPHIC img48952818_1.jpg GRAPHIC 334154
17 GRAPHIC img48952818_2.jpg GRAPHIC 346754
  Complete submission text file 0000950170-25-026262.txt   43159011

Data Files

Seq Description Document Type Size
18 XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT mgee-20241231.xsd EX-101.SCH 3449653
138 EXTRACTED XBRL INSTANCE DOCUMENT mgee-20241231_htm.xml XML 11404001
Mailing Address PO BOX 1231 MADISON WI 53701-1231
Business Address 133 SOUTH BLAIR STREET PO BOX 1231 MADISON WI 53701-1231 (608) 252-7000
MADISON GAS & ELECTRIC CO (Filer) CIK: 0000061339 (see all company filings)

EIN.: 390444025 | State of Incorp.: WI | Fiscal Year End: 1025
Type: 10-K | Act: 34 | File No.: 000-01125 | Film No.: 25660655
SIC: 4931 Electric & Other Services Combined
(CF Office: 01 Energy & Transportation)

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

EIN.: 392040501 | State of Incorp.: WI | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-49965 | Film No.: 25660654
SIC: 4900 Electric, Gas & Sanitary Services
(CF Office: 01 Energy & Transportation)