Sunnyside Solar Energy Center

Fitchburg, Wisconsin

Capacity: 60 MW
Status: Under construction
Fuel: Battery storage
Technology: Batteries
Operator: Madison Gas & Electric Co
City: Fitchburg
County: Dane County
State: Wisconsin
Expected online: November 2026
Balancing authority: MISO

Sunnyside Solar Energy Center is a 60 MW battery storage power plant in Fitchburg, Wisconsin. Operated by Madison Gas & Electric Co, it is under construction with an expected online date of November 2026. The facility is located in Dane County, within the MISO balancing authority.

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