State Solar Policy

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Wisconsin Solar

Wisconsin is home to 166 solar companies that make up the entire supply chain needed to steer solar towards the top.

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Facts on the Wisconsin Solar Industry

  • There are currently more than 166 solar companies1 at work throughout the value chain in Wisconsin, employing 1,941 people2.
  • In 2015, Wisconsin installed 5 MW of solar electric capacity, ranking it 34th nationally3. Installed solar capacity in Wisconsin has grown by 94% over the last year. 
  • In 2015, $12 million was invested on solar installations in Wisconsin.  This represents a 71% increase over the previous year, and is expected to grow again this year. 
  • The 27 MW of solar energy currently installed in Wisconsin ranks the state 31st in the country in installed solar capacity.  There is enough solar energy installed in the state to power 4,000 homes.
  • Over the next five years, Wisconsin is expected to install 141 MW of solar electric capacity, ranking the state 34th over that time span. This amount is more than 9 times the amount of solar installed over the last five years.
  • Installed solar PV system prices in the U.S. have dropped steadily- by 12% from last year and 66% from 2010.

View more solar industry data

Notable Installations in Wisconsin.

  • Jefferson Solar Project was completed in 2013 by developer Half Moon. It has the capacity to generate 1.1 MW of electricity-- enough to power over 200 Wisconsin homes4.
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  • Several large retailers in Wisconsin have gone solar, including Fairmount Minerals. Kohl's Department Stores has installed one of the largest corporate photovoltaic systems in the state with 159 kW of solar capacity at their location in Milwaukee5.

See our solar installation maps

Solar Companies in Wisconsin

There are currently more than 166 solar companies at work throughout the value chain in Wisconsin.  These companies provide a wide variety of solar products and services ranging from solar system installations to the manufacturing of components used in photovoltaic panels.  These companies can be broken down across the following categories: 31 manufacturers, 19 manufacturing facilities, 89 contractor/installers, 4 project developers, 8 distributors and 34 engaged in other solar activities including financing, engineering and legal support.

Don't see your company listed? Complete our National Solar Database Survey!

How much do solar panels cost in Wisconsin? 

Solar panel costs have fallen significantly in the last 5 years and now installing solar panels can be one of the best investments you can make for your home. There are also now a lot of products on the market utilizing sophisticated financing vehicles to make solar panels for your home affordable. This website will show you the average retail price of installing home solar panels in Wisconsin. 

Solar rebates and solar tax credits in Wisconsin.

Solar incentives are offered at the utility, county, state and federal level. These solar incentives can take various forms including solar tax credits, up front solar rebates, premium feed in tariffs (known as net metering) or solar production incentives.The eligibility and rules for each incentive program can vary greatly. This solar panel calculator allows you to enter your address and it will tell you what solar incentives will apply at your house and the value of these if you go solar.

Finding the right solar company for you:

There are many solar companies in Wisconsin offering a wide variety of brands and options. This consumer reviews website will show you the consumer ratings of each solar installer that services your area and will also show you what brands of solar panels.

Wisconsin State Solar Policy Resources

Wisconsin Public Service Commission – Learn about the governing body that regulates the electricity rates and services of Wisconsin public utilities

Wisconsin State Legislature – Track pending legislation affecting solar energy, locate and contact individual legislators, and stay up to date on current legislative issues in Wisconsin

DSIRE Incentives Database - Wisconsin – Search a public clearinghouse for specific solar energy incentives in Wisconsin and across the United States

U.S. Energy Information Administration - Wisconsin State Profile – Explore official energy statistics, including data on electricity supply and demand, from the U.S. government


2The Solar Foundation, 2015 National and State Solar Jobs Census,
3This and all other data in this section from SEIA/GTM Research U.S. Solar Market Insight