Solar Energy

MGE's Shared Solar program offers the benefits of locally generated solar power. It's easy, flexible and affordable. MGE currently has two arrays serving Shared Solar participants:

Middleton Municipal Operations Center

• 500-kW array.
• Came online in 2017.

Morey Field Solar

• 5-MW array at the Middleton Municipal Airport.
• A 3.5-MW share of the array is used for the Shared Solar program. The remaining share of the solar array serves the Middleton-Cross Plains Area School District and City of Middleton under separate Renewable Energy Rider agreements.
• Came online in 2020.

The 150-MW Two Creeks Solar facility is located in the town of Two Creeks and the city of Two Rivers in Manitowoc County, Wis. 

• MGE owns 50 MW, and Wisconsin Public Service owns 100 MW.
• 500,000 solar panels on about 800 acres.
• MGE's share generates enough electricity to power about 16,500 households.
• Came online in 2020.

MGE partnered with Dane County to build this array on County-owned land adjacent to the Dane County Regional Airport. The project serves Dane County operations as part of a Renewable Energy Rider agreement. 

• Generates enough electricity to provide Dane County with about 40% of the energy used by all County-owned facilities.
• Output is enough to power the equivalent of about 3,000 households.
• About 31,000 solar panels covering 58 acres north of Dane County Regional Airport.
• Came online in 2020.

The 22-MW O'Brien Solar Fields project is located in Fitchburg at Lacy Road and South Seminole Highway. It serves seven MGE customers through separate Renewable Energy Rider (RER) agreements. 

• More than 60,000 solar panels covering approximately 160 acres
• Generates enough electricity to power the equivalent of about 6,300 homes
• Participating RER customers include:
  • The City of Fitchburg
  • Placon
  • Promega Corporation
  • Tribe 9 Foods
  • University of Wisconsin-Madison
  • Willy Street Co-op
  • Wisconsin Department of Administration
• Came online in 2021

The 300-MW Badger Hollow Solar Farm is located near the communities of Cobb and Montfort in Iowa County. It is the largest solar project in Wisconsin history. It came online in two 150-MW phases. 

• MGE owns 100 MW, Wisconsin Public Service owns 100 MW and We Energies owns 100 MW.
• MGE's share generates enough electricity to power about 33,000 households.
• Phase one came online in 2021.
• Phase two came online in 2023.

MGE partnered with the City of Madison and the Madison Metropolitan School District to construct this 8-MW solar array located north of Dane County's Rodefeld Landfill in southeast Madison. 

• Serves the City of Madison (5 MW) and the Madison Metropolitan School District (3 MW) under separate Renewable Energy Rider agreements.
• Output is enough to power the equivalent of about 2,560 households.
• Nearly 30,000 solar panels covering 53 acres.
• Came online in 2022.

MGE's Tyto Solar is a 6-MW solar array located in Fitchburg that serves all MGE electric customers as a distributed energy resource. 

• More than 13,000 solar panels covering 45 acres.
• Generates enough energy to power about 1,400 households.
• Came online in 2024.

MGE owns 20 MW of solar capacity and will own 11 MW of battery storage from the 200-MW solar park in the town of Paris in Kenosha County. The facility will include 110 MW of battery storage. We Energies and Wisconsin Public Service, subsidiaries of WEC Energy Group, own the remainder of the facility. 

• Nearly 500,000 panels covering about 1,500 acres.
• MGE's share of the project is expected to generate enough electricity to power about 6,000 homes.
• The solar came online in December 2024.
• The battery storage is expected online in 2025.

MGE owns 25 MW of solar capacity from the 250-MW Darien solar project in Rock and Walworth counties. MGE also will own 7.5 MW of battery storage from the facility. The 75 MW of battery storage is expected online in 2026. We Energies and Wisconsin Public Service, subsidiaries of WEC Energy Group, own the remaining 225 MW of solar output and 67.5 MW of battery storage from the project. 

• Located on about 2,000 acres in the town of Bradford in Rock County and the town of Darien in Walworth County.
• The project is expected to generate enough electricity to power about 75,000 households.
• MGE's share will power about 7,500 households.
• The solar came online in 2025; the battery storage is expected online in 2026.

Strix Solar is a 6-MW solar array located at the corner of Byrne and Syene roads in Fitchburg. 

• 4 MW serve all MGE electric customers as a distributed energy resource.
• 2 MW are expected to serve the proposed Shared Solar – Strix program.
• Expected to generate enough energy to power about 1,400 households.
• Came online in 2025.

MGE, in partnership with We Energies and Wisconsin Public Service (both subsidiaries of WEC Energy Group), received approval to purchase energy from the 300-MW solar array to be located in the towns of Christiana and Deerfield in Dane County. MGE will own 30 MW of solar capacity and 16.5 MW of battery storage. 

• Up to 730,000 solar panels covering about 4,600 acres.
• MGE's share of the project is expected to generate enough electricity to power about 9,000 homes.
• The solar is expected online in 2026. The battery storage is expected in 2027.

MGE, in partnership with We Energies and Wisconsin Public Service (both subsidiaries of WEC Energy Group), received approval in April 2025 to purchase a share of the High Noon Solar Energy Center, a 300-MW solar array and 165-MW battery storage system to be located in Columbia County.

• MGE's ownership share will be 30 MW of solar capacity and 16.5 MW of battery storage. 
• The entire solar array will generate enough clean energy to power about 90,000 households.
• MGE's share is expected to generate enough energy to serve about 9,000 households.
• The project is expected to come online in 2027. 

MGE received approval in May 2025 to build the Sunnyside Solar Energy Center, a 20-MW solar array and 40-MW battery storage system to be located off of Whalen Road in Fitchburg. The project will provide locally generated solar energy to MGE's distribution system.

• The 20 MW of solar capacity is expected to generate enough energy to power about 6,000 households.
• The 40 MW of four-hour battery storage would provide electricity during times when energy demand is greatest and when renewable capacity is insufficient to meet all customer needs.
• The solar array is expected to begin serving customers by the end of 2026, and the battery storage system is expected in 2027.

Photovoltaic installations owned by MGE, including nearly 500 solar panels at MGE's headquarters in downtown Madison, supply almost 10% of the building's annual electric needs.

MGE, in partnership with We Energies and Wisconsin Public Service (both subsidiaries of WEC Energy Group), is seeking approval from State regulators to purchase a share of the energy generated by the Dawn Harvest Solar Energy Center, a 150-MW solar array and 50-MW battery storage project to be built in Rock County. MGE's ownership share would be 15 MW of solar.

If approved, the solar facility is expected online in 2028. 

MGE, in partnership with We Energies and Wisconsin Public Service (both subsidiaries of WEC Energy Group), is seeking approval from State regulators to purchase a share of the energy generated by the Saratoga Solar Energy Center, a 150-MW solar array and 50-MW battery storage project to be built in Wood County. MGE's ownership share would be 15 MW of solar and 5 MW of battery storage.

If approved, the facility is expected online in 2028.

MGE, in partnership with We Energies and Wisconsin Public Service (both subsidiaries of WEC Energy Group), is seeking approval from State regulators to purchase a share of the energy generated by the Ursa Solar Park, a 200-MW solar array to be built in Columbia County. MGE's ownership share would be 20 MW.

If approved, the facility is expected online in 2027.

MGE, in partnership with We Energies and Wisconsin Public Service (both subsidiaries of WEC Energy Group), is seeking approval from State regulators to purchase a share of the energy generated by the Good Oak Solar Farm, a 98.4-MW solar array to be built in Columbia County. MGE's ownership share would be 9.8 MW.

If approved, the facility is expected to come online in 2028.

MGE, in partnership with We Energies and Wisconsin Public Service (both subsidiaries of WEC Energy Group), is seeking approval from State regulators to purchase a share of the energy generated by the Gristmill Solar Farm, a 67-MW solar array to be built in Columbia County. MGE's ownership share would be 6.7 MW.

If approved, the facility is expected online in 2028.