Solar in Illinois
54 solar listed across 37 cities in Illinois.
Sponsored
Quick answer
USA Business Search lists 54 solar in Illinois. The most are in Chicago (11), Springfield (2), Schaumburg (2).
Updated October 2026Solar by city
Chicago (11)Springfield (2)Schaumburg (2)Arlington Heights (2)Des Plaines (2)Park Ridge (2)Wheeling (2)Caseyville (2)Naperville (1)Peoria (1)Bloomington (1)Elk Grove Village (1)Palatine (1)Quincy (1)Bolingbrook (1)Addison (1)Buffalo Grove (1)Marion (1)Danville (1)Cicero (1)Rolling Meadows (1)Mokena (1)Freeport (1)Dixon (1)Shorewood (1)Lincolnshire (1)Blue Island (1)Sandwich (1)Channahon (1)Bethalto (1)Richton Park (1)Petersburg (1)Lena (1)Volo (1)Chrisman (1)Elwood (1)Moro (1)
Well-documented solar in Illinois
A sample of listings with a street address, phone number and website, one per city.
ADT Solar
Freedom Forever - Chicago
Harnetech, Llc
Sunrun
Sige Solar
Vivint Solar
ADT Solar
K & J Solar
ADT Solar
StraightUp Solar
ADT Solar
How to choose a solar installer in Illinois
- Get at least three quotes and compare price per watt.
- Ask who owns the system: a purchase, loan, lease or PPA changes everything.
- Ask about the roof's condition and the warranty on roof penetrations.
Common questions
How many solar are listed in Illinois?
USA Business Search lists 54 solar in Illinois, in 37 cities and towns.
Which Illinois cities have the most solar?
Chicago (11), Springfield (2), Schaumburg (2), Arlington Heights (2), Des Plaines (2).
How do I verify a Illinois business?
Use the state's official business search and licensing boards, linked in our Illinois business lookup guide.