Best Solar Companies in Illinois 2026

undefined

Last updated: Reviewed by: Emily Watson
Get Your Free Solar Quote for your area Compare quotes from top-rated installers. No obligation.
Get Free Quotes Calculate Savings

Affiliate link. We may earn a commission at no cost to you. Learn more.

Top-Rated Solar Companies in undefined

#undefined Sunrun (4.1/5)national — undefined

Services: | Best for: undefined

#undefined StraightUp Solar (4.5/5)local — undefined

Services: | Best for: undefined

#undefined Blue Raven Solar (4.1/5)national — undefined

Services: | Best for: undefined

#undefined Tesla Solar (3.9/5)national — undefined

Services: | Best for: undefined

undefined Solar Market Overview

The solar market in undefined continues to grow as homeowners take advantage of federal and state incentives.

Illinois has rapidly become a top solar market thanks to the Climate and Equitable Jobs Act, which provides generous SREC incentives. Combined with ComEd's net metering and high electricity rates, IL offers excellent solar economics.

Compare Free Solar Quotes for your area

Get personalized quotes from vetted solar installers. Compare prices, financing, and equipment side-by-side.

Most Popular EnergySage Compare quotes from local installers Get Free Quotes Sunrun $0 down solar lease & loan options View Plans SunPower Premium panels, 25-year warranty Get Quote Modernize Get matched with top local installers Compare Now SolarReviews Read installer reviews & get quotes Find Installers

Affiliate disclosure: We may earn a commission when you request quotes through our partners. This does not affect our analysis or your cost. Learn more.

Frequently Asked Questions

IL solar averages $2.80-$3.40/watt. After federal ITC and IL SREC incentives, effective cost drops significantly, often to $10,000-$14,000 for a typical system.
Through the Adjustable Block Program, IL SRECs provide approximately $75 per SREC for 15 years. A typical system generates significant ongoing income beyond electricity savings.

SolarSavingsAI Research Team

Solar Energy Analysts

Our team analyzes solar incentive data from federal (DOE, IRS), state (DSIRE), and utility sources to provide accurate savings estimates. Data is reviewed quarterly and cross-referenced with NREL benchmarks.

Sources: DOE, IRS, DSIRE, NREL, EIA Updated: 2026 Full Methodology Editorial Standards

Best Solar Companies in Other Locations

Best Solar Companies in California 2026 State Best Solar Companies in Texas 2026 State Best Solar Companies in Florida 2026 State Best Solar Companies in Arizona 2026 State Best Solar Companies in Colorado 2026 State Best Solar Companies in North Carolina 2026 State Best Solar Companies in New York 2026 State Best Solar Companies in Massachusetts 2026 State