Kohler Solar Field

Interstate Power & Light / Wisconsin Power & Light

About the project


At 2.25 megawatts (MW), the Kohler Solar Field is Alliant Energy’s largest customer-hosted solar project to become operational in Wisconsin. This partnership between Kohler Co., SunPeak and Alliant Energy will provide safe, reliable clean energy for decades to come.

Fast facts

  • Developer: SunPeak
  • Size: 2.25 MW
  • Panels: 9,000
  • Homes powered: 580

man walking next to solar panels

Video: Project Partnership with SunPeak, Kohler and City of Sheboygan

Why solar?


Alliant Energy owns, operates and uses the energy grid to efficiently deliver affordable, reliable and safe energy to homes, businesses and communities.

Clean energy, including solar, has become increasingly cost effective. Solar creates energy customers will enjoy for many years with no added fuel costs and low operation and maintenance costs. With this rooftop solar site, the Kohler Solar Field turns unused space into income and showcases its commitment to sustainability.

Clean Energy Blueprint


The Kohler Solar Field is part of our Clean Energy Blueprint, a strategic roadmap to cost-effectively accelerate renewable energy and reduce carbon emissions. Alliant Energy’s sustainability goals include eliminating all coal from our generation fleet by 2040 and aspiring to achieve net-zero carbon dioxide emissions from the electricity we generate by 2050.

Alliant Energy works tirelessly to modernize its utility grid for the benefit of future generations of customers across Wisconsin and Iowa. We build smarter energy infrastructure to deliver cleaner, more reliable and resilient energy to all customers, and maintain affordable rates. A smarter grid means customers get more control, choices and flexibility.

Partnering with customers to develop solar projects is just another way we keep our customers at the heart of everything we do.

For more information, visit Powering What's Next.