MGE Energy: MGE Energy, Inc. (Nasdaq: MGEE) is a utility holding company based in Madison, Wisconsin.

Its main subsidiary, Madison Gas and Electric Co., produces and distributes electricity and distributes natural gas.

[1][2] MGE Energy is the parent corporation and holding company of eight subsidiaries.

The company's history in the Madison area date back more than 150 years.

In 1896, the local utility incorporated to become Madison Gas and Electric Co.