Illinois Adjustable Block Program (Solar Incentive)

Illinois Power Agency / Ameren Illinois

Available Solar & Renewable

About This Program

Illinois solar incentive program that provides upfront payments for residential solar installations through Renewable Energy Credits (RECs). The program offers enhanced incentives for income-qualified customers and is designed to make solar more affordable for Illinois homeowners.

Incentive varies by system size and income level; typical 7kW system earns $6,000-$10,000

Official source site checked live on 2026-06-17.

Data last verified 2026-06-09. How we verify our data.

Key Details

  • Upfront incentive for residential solar installations
  • Enhanced incentives for income-qualified households
  • Must use approved vendor and installer
  • Blocks fill on first-come, first-served basis
  • Combine with federal 30% solar tax credit

How to Apply

Get free help applying Visit Official Program Page Track this program

(866) 244-4410

A grant-savvy contractor in Normal, IL can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.

You will likely need a contractor to apply

Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Normal early keeps your application moving.

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Each program sets its own contractor rules. Check the official program page for exact requirements.

Your application paperwork

Documents you will likely need

  • Your federal tax return for the year of the work (this benefit is claimed on your taxes, not through a separate application).
  • Proof you own and live in the home (deed, recent mortgage statement, or property tax bill).
  • A government-issued photo ID for every owner on title.
  • A written estimate from a licensed contractor for the work (many programs require this to apply).
  • A recent utility bill for the home (energy and weatherization programs use it to confirm service and usage).
  • The program's own application form, completed (use the official link or phone number on this page).
Download this checklist (PDF)

Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.

Deadline: Ongoing, blocks fill on first-come basis

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