Full Spectrum Solar

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Updated: 21 October 2015

Installing solar since 2002

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4.40 from 36 Reviews

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A score we give a solar company out of 100 based on 0 criteria that our SolarReviews industry experts believe are the best criteria to separate good and bad solar companies.


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Full Spectrum Solar reviews

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Breakdown of consumer reviews

Sales Process


Price as quoted


On schedule


Installation quality


After sales support


Latest good review thumbs up

mrolli | Madison, Wisconsin | 03/17/2016

Very happy with our installation

We had a home installation that went very smoothly. Mike from Full Spectrum assisted us with applying for tax credits and in our hookup with the local power company. Things were seamless and we are currently up and fully functional. Staff was friendly and efficient and costs were as predicted. We are very happy with the results so far. Installation was in late December so we are about 3 months out.

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Latest bad review thumbs down

Anonymous | Madison, Wisconsin | 02/13/2013

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Shaun Lopez-Murphy | Hillsboro, Wisconsin | 10/21/2015

Solar on the Farm

These guys did a great job at our rural property. They are very attentive, I never had to wait on a response. They are always on it! They also figured out how to work with our old barn, which shows they are very flexible. Thanks Full Spectrum!

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HappyFullSpectrumCustomer | Middleton, Wisconsin | 08/24/2015

Smooth and Professional!

I am fully satisfied with Full Spectrum. I asked a lot of questions, and they quickly and thoroughly answered every one of them. They helped me find the system that was right for me with calm professionalism. They were very responsive throughout the entire project. They kept all of their promises. I honestly can't think of how they could have done a better job. I highly recommend working with them!

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madi | Madison, Wisconsin | 07/28/2015

Easy to do and own

All my questions were answered and FSS made it easy to proceed. I just had to sign the check. I love my solar panels.

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dmwaller | Madison, Wisconsin | 07/28/2015

A pleasure to work with

We sought a couple of bids and Full Spectrum was competitive, professional, and a pleasure to work with throughout the process. I especially appreciated how well Mark Joyce stayed in touch, explained programs like Focus on Energy, and informed us regularly about the process and progress, They also showed creativity and flexibility in terms of working with a neighbor and re-purposing existing wiring to save $$. The system exceeds my expectations, particularly in terms of all the data the micro-inverters feed to an on-line system that lets us all monitor its performance. Why aren't more people doing this?

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jokeane | Middleton, Wisconsin | 06/21/2014

good team good install

Full spectrum installed a 5.75kW array on our house in 2012. We are very happy with the system and with the install.

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Dtg | Madison, Wisconsin | 10/28/2013

Dave & Maureen

mark was very helpful along with whole crew!

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Anonymous | Middleton, Wisconsin | 07/11/2013

Michael Joyce, the engineer with whom I worked, was excellent. He fully explained the various system designs, advantages and disadvantages of each, and other options. He communicated with me regularly as information became available and made sure the appropriate regulatory documents were presented to me and managed all of the permitting and inspection.<br />

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Anonymous | Lake Mills, Wisconsin | 05/13/2013

Full Spectrum has done three jobs for me and I will continue to recommend Full Spectrum Solar! Thanks<br />

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Anonymous | Madison, Wisconsin | 05/10/2013

No surprises. Process was very transparent and personnel were very responsive to questions, etc.<br />

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Anonymous | Madison, Wisconsin | 01/26/2013

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Office locations


Wisconsin - Madison

1240 E. Washington Avenue, Madison WI, 53703

Wisconsin - Waukesha

2110 Pewaukee Rd, Waukesha WI, 53188

Wisconsin - Madison

1240 E Washington Ave, Madison WI, 53703

Contact Full Spectrum Solar

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Head Office
1240 E. Washington Avenue, Madison WI, 53703