<SEC-DOCUMENT>0001161728-21-000017-index.html : 20210331 <SEC-HEADER>0001161728-21-000017.hdr.sgml : 20210331 <ACCEPTANCE-DATETIME>20210331091817 ACCESSION NUMBER: 0001161728-21-000017 CONFORMED SUBMISSION TYPE: DEF 14A PUBLIC DOCUMENT COUNT: 13 CONFORMED PERIOD OF REPORT: 20210331 FILED AS OF DATE: 20210331 DATE AS OF CHANGE: 20210331 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MGE ENERGY INC CENTRAL INDEX KEY: 0001161728 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC, GAS & SANITARY SERVICES [4900] IRS NUMBER: 392040501 STATE OF INCORPORATION: WI FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEF 14A SEC ACT: 1934 Act SEC FILE NUMBER: 000-49965 FILM NUMBER: 21790304 BUSINESS ADDRESS: STREET 1: 133 SOUTH BLAIR STREET STREET 2: P.O. BOX 1231 CITY: MADISON STATE: WI ZIP: 53701-1231 BUSINESS PHONE: (608) 252-7000 MAIL ADDRESS: STREET 1: 133 SOUTH BLAIR STREET STREET 2: P.O. BOX 1231 CITY: MADISON STATE: WI ZIP: 53701-1231 </SEC-HEADER> <DOCUMENT> <TYPE>DEF 14A <SEQUENCE>1 <FILENAME>f20210331_14a.htm <DESCRIPTION>FORM DEF 14A <TEXT> Document 1 - file: f20210331_14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>f2021033114a1.jpg <DESCRIPTION>NA <TEXT> Document 2 - file: f2021033114a1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>f2021033114a2.jpg <DESCRIPTION>NA <TEXT> Document 3 - file: f2021033114a2.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>f2021033114a3.jpg <DESCRIPTION>NA <TEXT> Document 4 - file: f2021033114a3.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>f2021033114a4.jpg <DESCRIPTION>NA <TEXT> Document 5 - file: f2021033114a4.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>f2021033114a5.jpg <DESCRIPTION>NA <TEXT> Document 6 - file: f2021033114a5.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>f2021033114a6.jpg <DESCRIPTION>NA <TEXT> Document 7 - file: f2021033114a6.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>f2021033114a7.jpg <DESCRIPTION>NA <TEXT> Document 8 - file: f2021033114a7.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>f2021033114a8.jpg <DESCRIPTION>NA <TEXT> Document 9 - file: f2021033114a8.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>f2021033114a9.jpg <DESCRIPTION>NA <TEXT> Document 10 - file: f2021033114a9.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>f2021033114a10.jpg <DESCRIPTION>NA <TEXT> Document 11 - file: f2021033114a10.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>f2021033114a11.jpg <DESCRIPTION>NA <TEXT> Document 12 - file: f2021033114a11.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>f2021033114a12.jpg <DESCRIPTION>NA <TEXT> Document 13 - file: f2021033114a12.jpg
</DOCUMENT> </SEC-DOCUMENT>