For Homeowners:

Citizens Utility Board (Community Solar) - https://www.citizensutilityboard.org/solar-in-the-community/

EnergySage - https://www.energysage.com/

Google Sunroof - https://sunroof.withgoogle.com/

IL Solar Energy Association (IL Solar Ambassadors and vendor lists) - https://www.illinoissolar.org/

For specialized organizations:

Midwest Renewable Energy Association - https://www.midwestrenew.org/

Clean Energy Buyers Association - https://cebuyers.org/

Elevate - https://www.elevatenp.org/

Government:

City of Chicago - https://www.chicago.gov/city/en/progs/env/solar_in_chicago.html

Cook County - https://www.cookcountyil.gov/service/solar-energy

Illinois Solar for All (Community Solar) - https://www.illinoissfa.com/

Illinois Shines - https://illinoisshines.com/

EPA (Solar Resources) - https://www.epa.gov/statelocalenergy/local-renewable-energy-solar