shield
2026
Solar companies in Illinois

Solar companies in Illinois

Discover Illinois' top solar companies on our definitive listing page. Aspiring to sustainable living, or searching for energy-efficient alternatives? Rotate toward the sun with our diverse roster of top-tier solar firms that excel in harnessing the power of the sun.

From Chicago to Springfield, find local solar energy providers that illuminate homes and businesses with clean, renewable power every single day. Our listed companies specialize in solar panel installation, maintenance, and innovative solar energy solutions for both residential and commercial requirements.

Whether you're looking to save on energy costs or interested in reducing your carbon footprint, our directory champions the cream of the crop in Illinois' solar industry. Experience trustworthy, quality services that perfectly align with your green energy goals.

Take a leap forward into a sustainable future by browsing through our listing. Partner with these leading solar companies in Illinois and kickstart your journey towards energy independence today. Watch the positive impact ripple from your electricity bill, to your local economy, and ultimately, the environment.

Filter by region
Company
Rating
Location
Millennium Solar Co
Millennium Solar Co
Get top-quality solar panel installation and maintenance services in the Chicago area with Second City Solar Co, your trusted partner in residential and commercial solar solutions.
0 (0 reviews)
Chicago, Illinois
Tesla Solar
Discover Tesla's innovative solar solutions, including sleek Solar Panels, Solar Roof, Powerwall energy storage, and energy optimization services for home and business.
5 (16+ reviews)
Chicago, Illinois
Fresh Coast Solar, LLC
Fresh Coast Solar, LLC
Fresh Coast Solar delivers expert renewable energy solutions with turnkey project management, customized designs, and reliable installations for residential, commercial, and municipal markets.
5 (11+ reviews)
Chicago, Illinois
WindSoleil Solar and Wind Energy Services
WindSoleil Solar and Wind Energy Services
Experience affordable renewable energy with WindSoleil, offering solar panel & wind energy installation, energy audits, and zero-down financing in Illinois.
4.2 (51+ reviews)
Chicago, Illinois
Headline Solar
Headline Solar
Choose Headline Solar, the leading solar provider offering customer-centric solutions, panel installation, energy optimization, & financing guidance. Go solar today!
3.7 (6+ reviews)
Chicago, Illinois
Ailey Solar Electric, Inc.
Ailey Solar Electric, Inc.
Ailey Solar is a trusted Chicago-based solar company providing affordable solar panel design, installation, upgrades, and maintenance for residential and commercial clients.
4.7 (33+ reviews)
Chicago, Illinois
Earth Wind & Solar Energy LLC
Earth Wind & Solar Energy LLC
Xpectare Interactive Media offers top-quality web & mobile design solutions, focusing on innovation, user experience & personalized attention to boost your business's online presence.
4.1 (8+ reviews)
Chicago, Illinois
Windfree Solar Co
Windfree Solar Co
Windfree Solar offers top-quality solar solutions for residential, commercial, and public properties in Chicago, ensuring eco-friendly & cost-effective energy. Get a free quote!
4.7 (73+ reviews)
Chicago, Illinois
Solar Enterprises USA
Discover Amerisure Life - Solar Enterprises USA's sustainable energy solutions for homes & businesses, offering solar installations, financing options, and a unique bidding process.
0 (0 reviews)
Chicago, Illinois
RxSun
RxSun
RxSun is a leading residential solar company with NABCEP certified professionals, offering solar consultation, installation, financing, and more in Illinois, Michigan, Wisconsin, and Florida.
4.4 (24+ reviews)
Chicago, Illinois