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Contact SoL Energy to find out about harnessing the power of the sun for your residential, commercial, or municipal building

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SoL Energy is a full service PV engineering, procurement and construction (EPC Contractor) offering turn-key services in the design and installation of photovoltaic systems for residential, commercial and industrial customers.

Our extensive experience includes everything from the design and installation of small off-grid systems to run refrigeration for storing vital vaccinations in remote villages, to on-grid residential and large PV systems for commercial buildings and municipalities.

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Why SoL Energy?



Ken Olson is the President & CEO of SoL Energy and has been working in solar since the 1980s. He was one of the original co-founders of Solar Energy International (SEI) and served as it’s Executive Director for its first ten years. In 1999 he went on to found SoL Energy in Carbondale, CO.


Regional and national leaders in sustainability have trusted SoL Energy to design and install innovative, beautiful and well built solar systems.


Sol Energy has been expanding the use of solar energy in the Roaring Fork Valley and throughout Colorado for 20+ years. We installed our first project in 2003 and have a portfolio of projects ranging from small residential systems, off-grid systems, and large multi-building municipal projects.

But don't just take our word for it...

"The best PV expert..."

“Ken has been my go-to guy for PVs, and is generally considered the best PV expert in our PV-rich area. He designed and installed my state-of-the-art, superefficient home and office’s PV system which can run resiliently with or without the the grid.”

Amory Lovins

CEO Rocky Mountain Institute

"Pleased with the entire process..."

“We were very pleased with the entire process of adding on solar, as well as working with Sol Energy. Ken stayed with it all the way through the entire process, including rebates, until it was up & running and hooked up to our computer for easy access. I basically did nothing …..except sit in the shade & watch it all happen. We would definitely recommend Sol Energy to everyone.”

John & Bonnie Williams


"Very happy with our system..."

“I work in the utility industry and know many of the solar installers in the valley and statewide. My wife and I chose to work with SoL Energy because their experience, level of customer service and personal approach were the best fit for us, and we have been very happy with our system and the ongoing support.”


Carbondale Homeowner

Latest Blog & News

Say Yes To Solar And Goodbye To Your Growing Electric Bills

The Colorado Clean Energy Fund RENU financing program lets you borrow up to 100% of the cost of a solar system – at competitive interest rates with long-term payback periods.

Read More