Best Solar Installers in Illinois
Licensed solar PV + battery storage pros.
Best solar installers in Illinois, ranked by license status, customer rating, review volume, and emergency availability. NABCEP-certified designers and Illinois-permitted installers with Powerwall and Enphase IQ experience. Updated for 2026.
The Top 10 — Illinois
Ranked by rating × verified review volume × license status.
Best solar installers FAQ
+How did you choose the best solar installers in Illinois?
We rank every solar installers listing in Illinois by verified license status, customer rating, review volume, years in business, and emergency availability. Listings with active state-board licenses and 4.5★+ averages float to the top.
+Are these solar installers actually licensed and insured in Illinois?
Yes. Every electrician on this list shows an active Illinois (or state-equivalent) electrical license and carries general liability insurance. We cross-check the state board roster on a rolling basis.
+Is it free to contact these Illinois pros?
Yes — quotes are free. Most Illinois electricians on this list offer same-day phone consults and free in-home or virtual estimates for projects over $500.