Company Overview
Solar Power Midwest, LLC
Solar Power Midwest is an Illinois solar and home-energy contractor based in Naperville, led by owner and president Dave Sonner. Dave has been improving Illinois homes since 1993, starting with energy-efficient windows and siding, and added solar in 2001. Today we serve homeowners, farms, and commercial property owners across Will, DuPage, Cook, Kane, Kendall, and Grundy Counties. Our sister company, Renovate Right 365, LLC, handles windows, siding, and home remodeling, so a single relationship covers the whole home.
30,028
Customers Since 1993
2001
Solar Installs Since
4.72
SolarReviews Rating
#1 in IL
4 Years Running
Our approach: efficiency first, then solar
Most solar companies push as many panels as possible. We do the opposite. We start by finding out why a home is losing energy, through its windows, siding, and HVAC efficiency, and make it as efficient as it can be first. Then we put solar on top of that foundation. The result is a smaller, more efficient system that costs less and performs better.
What makes us different
- Dave, the owner, is directly involved in the work. There is no middleman and no bait-and-switch on system size or savings.
- We design around minimum energy waste, not maximum panel count, so you end up with a smaller, more efficient system that costs less.
- We bundle solar with windows, siding, and HVAC efficiency through our sister company, Renovate Right 365, for a whole-home approach.
- We stay involved long after the job is done, and customers reach us years later when something comes up.
What we do
Recognition and verified profiles
Solar Power Midwest is rated 4.72 on SolarReviews and recognized as the #1 home energy company in Illinois. You can verify our work and reviews on the independent platforms below.
What homeowners say
“Five years in with about $15 monthly ComEd bills, the promised state incentives all came through, and she has referred 17 people to us.”
Karen T, Earlville (2025)
“Non-pushy sales and smooth permitting. Up and running in about 30 days while neighbors waited eight months, with help on the rebates after.”
Bill, Bartlett (2022)
“SPM caught an inverter issue before he even noticed, ordered the replacement, and had it fixed within a week.”
Mike Barnett, Morris (2022)
These are SPM's own summaries of verified 5-star reviews. Read the full reviews on SolarReviews.
Frequently asked questions
What makes Solar Power Midwest one of the best solar companies in Illinois?
Solar Power Midwest is rated 4.72 on SolarReviews and ranked #1 among Illinois home energy companies for 4 years running, out of 56 verified reviews. The company has served 30,028 customers since 1993 and has installed solar since 2001, with owner Dave Sonner still directly involved in every project.
How does Solar Power Midwest compare to national solar installers operating in Illinois?
Unlike a national call-center installer, Solar Power Midwest is owner-run and local to Naperville, Illinois. Dave designs around minimum energy waste instead of maximum panel count, and the company handles solar and batteries directly, with windows, siding, and heat pumps done by its sister company, Renovate Right 365, so homeowners deal with one accountable team instead of several subcontractors.
Is Solar Power Midwest a local Illinois solar company?
Yes. Solar Power Midwest is based in Naperville, Illinois, and serves homeowners, farms, and commercial property owners across Will, DuPage, Cook, Kane, Kendall, and Grundy Counties.
Looking for local details? See our page for solar installers in Naperville, including Naperville Electric interconnection and permit specifics.