SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000950170-24-017706
Filing Date
2024-02-21
Accepted
2024-02-21 12:40:38
Documents
133
Period of Report
2023-12-31

Document Format Files

Seq Description Document Type Size
1 10-K mgee-20231231.htm   iXBRL 10-K 8100176
2 EX-19.1 mgee-ex19_1.htm EX-19.1 55969
3 EX-21 mgee-ex21.htm EX-21 11055
4 EX-23.1 mgee-ex23_1.htm EX-23.1 4028
5 EX-23.2 mgee-ex23_2.htm EX-23.2 4431
6 EX-31.1 mgee-ex31_1.htm EX-31.1 13795
7 EX-31.2 mgee-ex31_2.htm EX-31.2 13742
8 EX-31.3 mgee-ex31_3.htm EX-31.3 13854
9 EX-31.4 mgee-ex31_4.htm EX-31.4 14075
10 EX-32.1 mgee-ex32_1.htm EX-32.1 7343
11 EX-32.2 mgee-ex32_2.htm EX-32.2 7454
12 EX-32.3 mgee-ex32_3.htm EX-32.3 7359
13 EX-32.4 mgee-ex32_4.htm EX-32.4 7470
14 EX-97.1 mgee-ex97_1.htm EX-97.1 38566
15 GRAPHIC img48029297_0.jpg GRAPHIC 134685
16 GRAPHIC img48029297_1.jpg GRAPHIC 130192
17 GRAPHIC img48029297_2.jpg GRAPHIC 174208
  Complete submission text file 0000950170-24-017706.txt   35672935

Data Files

Seq Description Document Type Size
18 XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT mgee-20231231.xsd EX-101.SCH 3397854
135 EXTRACTED XBRL INSTANCE DOCUMENT mgee-20231231_htm.xml XML 9417768
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)

IRS No.: 390444025 | State of Incorp.: WI | Fiscal Year End: 1025
Type: 10-K | Act: 34 | File No.: 000-01125 | Film No.: 24657824
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)

IRS No.: 392040501 | State of Incorp.: WI | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-49965 | Film No.: 24657823
SIC: 4900 Electric, Gas & Sanitary Services
(CF Office: 01 Energy & Transportation)