State Overview

Wisconsin

National Solar Capacity Ranking: 21st

National Storage Capacity Ranking: 16th

Updated September 2026

 

Wisconsin State Solar Overview

 

 

Wisconsin Major Solar and Storage Projects

SEIA’s Major Solar and Storage Projects List is a database of all U.S. ground-mounted solar projects, 1 MW and above, that are either operating, under construction or under development.

Official SEIA State Affiliate

Just The Facts

  • Solar Installed (MW):

    3,529 MWdc

  • Storage Capacity

    1.2 GWh

  • National Ranking:

    21st (19th in 2025 additions)

  • Enough Solar Installed to Power:

    594,740 homes

  • Percentage of State's Electricity from Solar:

    7.18%

  • Solar Jobs:

    182

  • Solar Companies in State:

    181 (55 Manufacturers, 73 Installers/ Developers, 53 Others)

  • Total Solar Investment in State:

    $4.7 billion

  • Growth Projection and Ranking:

    4,521 MW over the next 5 years (ranks 15th)

  • Number of Installations:

    21,697

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Wisconsin State Solar Policy Resources

 

 

Wisconsin Energy Storage Policy and Market Overview

Wisconsin’s energy storage market is expanding alongside strong solar growth, with increasing deployment to support grid reliability and renewable integration.

As solar capacity and investment continue to grow, energy storage is expected to play an increasingly important role in balancing the grid and supporting future clean energy development across the state.

Wisconsin Energy Storage Policy Resources

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