<SEC-DOCUMENT>0001193125-26-172415-index.html : 20260423 <SEC-HEADER>0001193125-26-172415.hdr.sgml : 20260423 <ACCEPTANCE-DATETIME>20260423105734 ACCESSION NUMBER: 0001193125-26-172415 CONFORMED SUBMISSION TYPE: DEFA14A PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20260423 DATE AS OF CHANGE: 20260423 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MGE ENERGY INC CENTRAL INDEX KEY: 0001161728 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC, GAS & SANITARY SERVICES [4900] ORGANIZATION NAME: 01 Energy & Transportation EIN: 392040501 STATE OF INCORPORATION: WI FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEFA14A SEC ACT: 1934 Act SEC FILE NUMBER: 000-49965 FILM NUMBER: 26886604 BUSINESS ADDRESS: STREET 1: 133 SOUTH BLAIR STREET STREET 2: PO BOX 1231 CITY: MADISON STATE: WI ZIP: 53701-1231 BUSINESS PHONE: (608) 252-7000 MAIL ADDRESS: STREET 1: 133 SOUTH BLAIR STREET STREET 2: PO BOX 1231 CITY: MADISON STATE: WI ZIP: 53701-1231 </SEC-HEADER> <DOCUMENT> <TYPE>DEFA14A <SEQUENCE>1 <FILENAME>2025_vote_reminder.htm <DESCRIPTION>DEFA14A <TEXT> Document 1 - file: 2025_vote_reminder.htm
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