USUS Grid ExplorerInfrastructure intelligence
Preliminary 2025 facility recordProposed

Fitchburg, WI · EIA plant 68054

Sunnyside Solar Energy Center

Sunnyside Solar Energy Center is a storage power facility in Fitchburg, WI, with 60 MW of proposed capacity.

Open on mapView WI profileOpen EIA source
Operating capacity0 MW0 operating generators
Proposed capacity60 MW2 proposed generators
UtilityMadison Gas & Electric CoEIA-reported operator
Balancing authorityMISOMidcontinent Independent Transmission System Operator, Inc..

Capacity profile

Fuel and technology

Nameplate capacity
OperatingNo operating capacity reported
Proposed
Storage40 MW
Solar20 MW
Reported technologiesBatteriesSolar Photovoltaic

Nearby in WI

Related facilities

WI · 1.4 miO'Brien Solar Fields22 MW →WI · 2.3 miStrix Solar6 MW →WI · 2.4 miFitchburg58 MW →WI · 2.9 miTyto Solar6 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source