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Solar and battery projects


The following are solar and battery storage energy projects that serve Wisconsin and Upper Peninsula of Michigan customers. Solar energy projects utilize solar cells, also called photovoltaic (PV) cells to convert sunlight into electricity. PV gets its name from the process of converting light (photons) to electricity (voltage). Solar panels have tracking systems that allow the panels to move throughout the day as the sun changes position in the sky. This energy can be used to generate electricity or be stored in batteries for use after the sun sets. We currently have a capacity of 718 megawatts (MW) of solar generation.

Projects in progress

Dawn Harvest Solar Energy Center
Rock County, Wisconsin

  • 150 MW (solar)
  • 50 MW (battery)
  • We Energies and WPS – 90%; MGE – 10%
  • Anticipated end of 2028

Good Oak Solar
Columbia County, Wisconsin

  • 98 MW
  • We Energies and Wisconsin Public Service (WPS) – 90%; Madison Gas Electric (MGE) – 10%
  • Anticipated end of 2028

Gristmill Solar
Columbia County, Wisconsin

  • 67 MW
  • We Energies and WPS – 90%; MGE – 10%
  • Anticipated end of 2028

Saratoga Solar Project
Wood County, Wisconsin

  • 150 MW (solar)
  • 50 MW (battery)
  • We Energies and WPS – 90%; MGE – 10%
  • Anticipated end of 2028

High Noon Solar Energy Center
Columbia County, Wisconsin

  • 300 MW (solar)
  • 165 MW (battery)
  • We Energies and WPS – 90%; MGE – 10%
  • Anticipated end of 2027

Langdon Mills Solar Electric Generation Facility (Ursa Solar)
Columbia County, Wisconsin

  • 200 MW
  • We Energies and WPS – 90%; MGE – 10%
  • Anticipated end of 2027

Koshkonong Solar Energy Center
Dane County, Wisconsin

  • 300 MW (solar)
  • 165 MW (battery)
  • We Energies and WPS – 90%; MGE – 10%
  • Anticipated for 2026

Koshkonong Solar Energy Center will be the largest renewable energy project in the state.

Renegade Solar
Delta County, Upper Peninsula of Michigan

  • 100 MW
  • Upper Michigan Energy Resources (UMERC)
  • Anticipated end of 2026

Projects in service

Darien Solar Energy Center
Rock and Walworth counties, Wisconsin

  • 250 MW (solar)
  • 75 MW (battery)
  • We Energies and WPS – 90%; MGE – 10%
  • Solar in service 2025; battery storage in 2026.

Paris Solar-Battery Park
Kenosha County, Wisconsin

  • 200 MW (solar)
  • 110 MW (battery)
  • We Energies and WPS – 90%; MGE – 10%
  • Solar in service 2024; battery storage in 2025.

Badger Hollow Solar Park
Iowa County, Wisconsin

  • 300 MW
  • We Energies and WPS – 66.7%; MGE – 33% (each utility owns 100 MW of energy produced)
  • Phase 1 (150 MW) December 2021; Phase 2 (150 MW) December 2023

Badger Hollow Solar Park is among the Midwest’s largest solar facilities and was named to RENEW Wisconsin’s Clean Energy Honor Roll in 2024.

Two Creeks Solar Park
Manitowoc County, Wisconsin

  • 150 MW
  • We Energies and WPS – 66.7%; MGE – 33%; (We Energies and WPS 100 MW; MGE 50 MW)
  • Phase 1 (150 MW) December 2021; Phase 2 (150 MW) December 2023

The facility made history when it went online in November 2020, becoming Wisconsin’s first large-scale solar energy park.

Solar Now

Solar Now is our innovative program that produces clean energy for all customers. Through Solar Now, we partnered with large business, nonprofit and government customers to host solar panels. We leased space for the panels on roofs and unused land. Working with customers across the state, we completed projects with numerous partners including Harley-Davidson, University of Wisconsin-Parkside, City of Racine, School District of New Berlin, and Washington County.

Solar Now is a pilot program that was approved for up to 35 MW. The program is now at full capacity, and the Public Service Commission of Wisconsin voted to not expand it in late 2022.

Distributed energy resource sites

Distributed energy resources are smaller solar sites, averaging about 7.5 MW, that connect renewable solar energy directly to distribution lines into local communities.

Caledonia Solar Park
Racine County, Wisconsin

  • 6 MW
  • We Energies
  • April 2025

Antigo — Forrest Ave. Solar Park
Langlade County, Wisconsin

  • 6 MW
  • WPS
  • November 2024

Auburn Solar Park
Fond du lac County, Wisconsin

  • 5 MW
  • We Energies
  • December 2024

Hackbarth Solar Park
Jefferson County, Wisconsin

  • 5 MW
  • We Energies
  • December 2024

Lafayette Solar Park
Walworth County, Wisconsin

  • 6 MW
  • We Energies
  • December 2024

Raymond Solar Park
Racine County, Wisconsin

  • 6 MW
  • We Energies
  • February 2024

Jackson Solar Park
Washington County, Wisconsin

  • 7.5 MW
  • We Energies
  • January 2024

Silver Lake Solar Park
Kenosha County, Wisconsin

  • 7.5 MW
  • We Energies
  • January 2024

Spring Prairie Solar Park
Walworth County, Wisconsin

  • 7.5 MW
  • We Energies
  • January 2024

Bonduel Solar Park
Shawano County, Wisconsin

  • 7.5 MW
  • We Energies
  • December 2023

Hodag Solar Park
Oneida County, Wisconsin

  • 7.5 MW
  • WPS
  • January 2022

WEC Infrastructure

WEC Energy Group also owns WEC Infrastructure LLC, a subsidiary that owns a growing fleet of renewable generation facilities in the Midwest.