Windfree Solar Logo White

(312) 588 - 6953

info@windfree.us

5022 W. Foster Ave Chicago, IL 60630

Bright Ideas

Bright Ideas - Windfree Solar

Rooftop solar array on the steep roof of the historic Church of the Atonement in Chicago's Edgewater neighborhood, installed by Windfree Solar

Solar for Churches and Nonprofits in Chicago: Historic Roofs, Elective Pay and What It Takes

What solar looks like for Chicago churches and nonprofits, from historic and steep roofs to elective pay and the REC decision, with...
Read More
Illinois home with a rooftop solar array installed by Windfree Solar

Battery Storage Installers in Rockford, IL: What to Ask Before You Add a Home Battery

What a home battery actually does, the questions to ask any installer, and the ComEd details Rockford homeowners should understand before adding...
Read More
Rooftop solar array on Heartland Community College's Net Zero Agricultural Building in Normal, Illinois, installed by Windfree Solar

Solar Panels for Your Business: What an Illinois Commercial Project Looks Like From Bid to Permission to Operate

What an Illinois commercial solar project involves: site fit, new build or retrofit, labor rules, the federal credit deadline, and the steps...
Read More
Rooftop solar panels on a Chicago home, installed by Windfree Solar

ComEd Net Metering in 2026: How Solar Credits Work for New Systems in Illinois

Going solar in 2026? Here is what ComEd net metering credits cover, the choice you make when you apply, what carries over...
Read More
ComEd solar and Ameren solar in Illinois, rooftop solar panels on a home

ComEd Solar vs. Ameren Solar: How Your Utility Shapes Going Solar in Illinois

ComEd and Ameren Illinois follow the same state rules for solar but run their own interconnection and billing. Here is what changes...
Read More
best solar companies in Illinois

Best Solar Companies in Illinois: What “Best” Actually Means in 2026

Star ratings won't tell you which Illinois solar installer fits your project. Here's what actually matters in 2026, for homeowners and commercial...
Read More
Coffee at the Windfree Solar Cafe on Dempster Street in Evanston, Illinois

Thinking About Solar? There Is a Solar Company in Evanston You Can Just Walk Into

Getting a solar quote can feel like a bigger commitment than you are ready for. Sometimes you just want your questions answered....
Read More
chicago solar panels on a residential roof

Chicago Solar Panels: How to Tell If Your Roof Is Actually a Good Fit

Before you think about panels, think about the roof. What actually decides whether a Chicago home is a good solar candidate....
Read More
solar for hotels

Solar for Hotels: Designing Systems for 24/7 Operations

Hotels run around the clock, which changes how solar and battery storage should be designed, and what a property actually gets out...
Read More
chicago solar panels

Chicago Solar Panels in 2026: What They Actually Cost (And What They Don’t Tell You)

A no-hype breakdown of Chicago solar costs, incentives, payback timelines, and how to avoid a bad installer in 2026....
Read More

Filter by Categories

Post Categories
tilted-light-bulb-solar-consultation-windfree-solar

Want to learn more about solar energy solutions? Reach out to schedule a consultation, and to learn more about our work.

Get Started