Full Spectrum Solar
Solar & Energy
Serving Madison, WI
From Google Business Profile
5.0
207 Google reviews
Hours
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8:30 AM–4 PM |
| Saturday | Closed |
| Sunday | Closed |
Google categories: Solar energy company, Electric vehicle charging station contractor, Solar energy system service
View on Google Maps →Last checked October 24, 2026.
More from Google Business Profile
Listed features
- Accessibility
- Wheelchair accessible entrance
- Wheelchair accessible parking lot
Photos on Google: 42
Recent Google reviews (excerpts)
Written by Google users, not by EdgeLocal. EdgeLocal has not verified them and does not show reviewer names.
5 out of 5 stars · Sep 2026 · Owner replied
We've been very happy with the Full Spectrum team for almost 10 years now. From our initial emails, we had all of our questions answered patiently and clearly. Our installation was excellent and all billing was transparent. Our gear has…
5 out of 5 stars · Jul 2026 · Owner replied
Hi everyone. I can't say enough about Ron and his team. From start to finish. Absolutely spit on. I've been in construction all my life. I'd hire them anytime. My electricity and gas bill are 40$ to 70$. And I like my house cool. This is…
5 out of 5 stars · Jun 2026 · Owner replied
Full Spectrum Solar has done an AMAZING job of keeping their many customers informed and up to date following the major hail storm in April 2026. Ron answered all of my questions promptly, and the workers who came to the house were…
The owner replied to 5 of the 5 most recent reviews Google showed.
From Google Business Profile, last checked October 24, 2026.
About solar installers in Madison
Solar installers design and install rooftop and ground-mount solar panel systems. Solar installers evaluate roofs and energy use, design systems, handle permits and utility interconnection, install panels, inverters and batteries and help homeowners claim incentives.
Typical cost: $15,000–$35,000 for a typical residential system before incentives. See the full cost guide
Typical U.S. ranges from industry sources (2024–25); not EdgeLocal data. Your quote will vary with scope, materials and location.
Questions to ask this contractor
- Get multiple quotes: Compare price per watt.
- Review production estimates: Ask for realistic energy production estimates.
- Check roof condition: Replace an aging roof before installing solar.