Document and Entity Information
Document and Entity Information | Dec. 16, 2022 |
Document And Entity Information [Line Items] | |
Entity Registrant Name | MGE Energy, Inc. |
Entity Central Index Key | 0001161728 |
Document Type | 8-K |
Document Period End Date | Dec. 16, 2022 |
Amendment Flag | false |
Trading Symbol | MGEE |
Entity Emerging Growth Company | false |
Security Exchange Name | NASDAQ |
Title of 12(b) Security | Common Stock, $1 Par Value Per Share |
Entity Tax Identification Number | 39-2040501 |
Entity File Number | 000-49965 |
Entity Address, Address Line One | 133 South Blair Street |
Entity Address, City or Town | Madison |
Entity Address, State or Province | WI |
Entity Address, Postal Zip Code | 53788 |
City Area Code | 608 |
Local Phone Number | 252-7000 |
Written Communications | false |
Soliciting Material | false |
Pre-commencement Issuer Tender Offer | false |
Pre-commencement Tender Offer | false |
Entity Incorporation, State or Country Code | WI |
MGE [Member] | |
Document And Entity Information [Line Items] | |
Entity Registrant Name | Madison Gas and Electric Company |
Entity Central Index Key | 0000061339 |
Entity Emerging Growth Company | false |
Entity Tax Identification Number | 39-0444025 |
Entity File Number | 000-1125 |
Entity Address, Address Line One | 133 South Blair Street |
Entity Address, City or Town | Madison |
Entity Address, State or Province | WI |
Entity Address, Postal Zip Code | 53788 |
City Area Code | 608 |
Local Phone Number | 252-7000 |
Entity Incorporation, State or Country Code | WI |