Form 8-K - Current report:
SEC Accession No. 0001193125-26-214813
Filing Date
2026-05-08
Accepted
2026-05-08 16:44:56
Documents
43
Period of Report
2026-05-08
Items
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

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  Complete submission text file 0001193125-26-214813.txt   17589167

Data Files

Seq Description Document Type Size
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46 EXTRACTED XBRL INSTANCE DOCUMENT mgee-20260508_htm.xml XML 7407
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: 8-K | Act: 34 | File No.: 000-01125 | Film No.: 26959224
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: 8-K | Act: 34 | File No.: 000-49965 | Film No.: 26959223
SIC: 4900 Electric, Gas & Sanitary Services
(CF Office: 01 Energy & Transportation)