Illinois Solar for All Residential Solar.
Illinois Solar for All helps qualifying income-eligible homeowners and multifamily properties reduce electricity costs through on-site solar.
Overview
What it does.
The program requires participant savings and offers no upfront cost for one-to-four-unit buildings and low or no upfront cost for larger multifamily buildings. For 2026-27, Approved Vendors may submit large residential projects July 20-31 and small residential projects September 14-25.
Best for: An income-qualified homeowner or multifamily owner seeking on-site solar with strong consumer protections.
Eligibility
Who and what may qualify.
Eligible applicants
- Income-eligible homeowners
- Owners or managers of qualifying income-eligible multifamily buildings
Applicants excluded by the source
- Households and properties that do not meet current program eligibility rules
Eligible uses
- On-site residential solar installation through an Approved Vendor
Application
How to start.
- Use the official eligibility tool.
- Connect with an Illinois Solar for All Approved Vendor.
- Confirm current category capacity before signing a contract.
Timing: The next 2026-27 window is July 20-31 for Residential Solar (Large); Residential Solar (Small) follows September 14-25.
Planning notes
Limits to account for.
- Income and property eligibility must be documented.
- Project-category capacity may temporarily limit new submissions.
Approved Vendors should coordinate this incentive with utility and tax benefits while preserving required participant savings.
Evidence
Official sources.
- 2026-2027 Program Timeline for Project SubmissionsIllinois Solar for All and Illinois Power Agency · accessed 2026-07-10
- Residential SolarIllinois Solar for All and Illinois Power Agency · accessed 2026-07-10