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Illinois Solar

Solar Installed (MW):
National Ranking:
33rd (40th in 2016)
State Homes Powered by Solar:
Percentage of State's Electricity from Solar:
Solar Jobs:
Solar Companies in State:
327 (66 Manufacturers, 113 Installers/Developers, 140 Others)
Total Solar Investment in State
$227.54 million
Prices have fallen
55% in the last five years
Growth Projection and Ranking:
1,687 MW over the next 5 years (ranks 14th)

Illinois is a growing solar market that has benefited a strong renewable portfolio standard that requires they generate 25% of their energy from renewable sources by 2025.


View more solar industry data.

Notable Solar Installations in Illinois

  • Grand Ridge Solar Plant was completed in 2012. The photovoltaic project has the capacity to generate 20 MW of electricity -- enough to power over 3,0777 Illinois homes.5
  • IKEA & Walmart have both gone solar, IKEA has installed a 1 MW project at their location in Bolingbrook.6
  • At 3 MW, Rockford Solar Project in Rockford is among the largest solar installations in Illinois.  Completed in 2012, this photovoltaic project has enough electric capacity to power more than 470 homes.7

See our solar installations maps.

Solar Companies in Illinois

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Illinois State Solar Resources

Illinois Commerce Commission - Learn about the governing body that regulates the electricity rates and services of Illinois public utilities

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

Illinois Department of Commerce & Economic Opportunity - Find a wide variety of information on state government energy programs, policy, projects, energy-saving strategies and energy-related statistics

DSIRE incentives database Illinois - Search a public clearinghouse for specific solar energy incentives in Illinois and across the United States

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

EnergySage Solar Data Explorer – Illinois – Review the costs and benefits of installing solar panels in Illinois, based on real price data from solar quotes.


1All data from SEIA/GTM Research U.S. Solar Market Insight unless otherwise noted:

2Energy Information Administration, Electric Power Monthly:

3The Solar Foundation, State Solar Jobs Census:

4SEIA, National Solar Database:

5SEIA, Major Solar Projects List:


7SEIA, Solar Means Business:

Number Of Installations