Invenergy receives approval for 300MW solar, 165MW battery storage project in Wisconsin

Facebook
Twitter
LinkedIn
Reddit
Email
Invenergy’s Wisconsin solar plus battery storage project will start construction later this year and be completed by the end of 2024. Image: Invenergy Renewables.

Wisconsin’s Public Service Commission (PSC) has approved the construction of Invenergy’s 300MW utility-scale solar farm, which is to be paired with a 165MW battery energy storage system (BESS), in Dane County.

The Koshkonong Solar Energy Center project will be built by solar developer Invenergy with construction starting this fall and the project is expected to be completed by the end of 2024.

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

This is not the first solar plus storage project Invenergy is working on in Wisconsin, with a 200MW solar PV and 110MW BESS in Kenosha County that was approved in December 2020 and another one in Walworth and Rock Counties with 250MW of solar energy and 75MW of BESS waiting for approval.

“It is absolutely important that the Commission continues to approve utility-scale projects like this one. Our state’s power utilities are making some real strides, like investing in more solar energy capacity and storage,” said Chelsea Chandler, director of Climate, Energy and Air Program at Clean Wisconsin.

Clean Wisconsin, who submitted expert testimony for the project, said the solar farm would have benefits from the environment by reducing phosphorous runoff in the waterways by converting crop land to grassland for the solar PV project.

Earlier this year, Invenergy partnered with Lafayette Square to form a community-solar led joint venture, called Reactivate, with the aim to develop 3GW of renewable capacity by 2030.

PV Tech Premium spoke with Utopia Hill, Reactivate’s head of engineering, procurement and construction, last month about the challenges of reaching 3GW of community solar.

In January 2022, Invenergy received a US$3 billion investment from Blackstone which will help accelerate the build-out of solar PV projects.

Read Next

June 15, 2026
SECI is inviting bids for 4,800MWh of firm and dispatchable renewable energy capacity supported by co-located energy storage systems. 
June 11, 2026
South African national utility Eskom has launched a new unit to focus on large-scale renewable energy projects.
June 9, 2026
Ark Energy has been granted approval by AEMO and Transgrid to connect its 435MW Richmond Valley solar-plus-storage project to the NEM.
June 3, 2026
With BESS in the generation mix, energy is no longer simply generated and exposed to the market; it can be stored and used when most valuable.
May 29, 2026
Solar PV solutions provider Nextpower has entered into a definitive agreement to acquire BESS system integrator Prevalon Energy for up to US$365 million.
May 25, 2026
Australia's CIS Tender 7 has seen 19 successful projects, which will deliver 7.8GW of renewable energy generation across the NEM.

Upcoming Events

Solar Media Events
June 16, 2026
Napa, USA
Media Partners, Solar Media Events
June 30, 2026
Sacramento, California
Media Partners, Solar Media Events
August 25, 2026
São Paulo, Brazil
Media Partners, Solar Media Events
September 1, 2026
Mexico City, Mexico
Media Partners, Solar Media Events
September 9, 2026