MGE Energy Inc. revenue for the last year amounted to 690.43 M USD, the most of which — 489.73 M USD — came from its highest performing source at the moment, Electric, the year earlier bringing 465.17 M USD. The greatest contribution to the revenue figure was made by United States — last year it brought MGE Energy Inc. 690.43 M USD, and the year before that — 714.52 M USD.