Our Experience

In solar, experience matters.  Having spent more than 20 years constructing over 1,300 clean energy projects, Kokosing Solar (formerly Third Sun Solar) has learned a thing or two.  We do not need quick wins at the sacrifice of long-term goals. Instead, our business strategy is to provide high-quality projects today and position ourselves as a lasting partner with you for your current and future solar projects. Tap into our experience and contact a solar expert today.

Kokosing Industrial

Kokosing was founded in 1951 and, over the past 70 plus years, has grown to become one of the largest family-owned construction companies in the Midwest and Mid-Atlantic. The company currently employs over 3,500 people. Kokosing Solar is the group within Kokosing Industrial focused on Solar Power Projects.

Better Business Bureau

The last thing we like to hear from customers is that they had a bad experience with another solar company. Solar is a competitive market and there are many companies out there who are in it for the wrong reasons. Kokosing Solar has been a member with the BBB for over 20 years, has an A+ rating, and many reviews from happy customers. 

NABCEP Solar PV Installation Professionals

NABCEP (North American Board of Certified Energy Practitioners) is the “gold standard” certification in the solar industry. Kokosing Solar is proud to have Certified Installation Professionals on staff.  Kokosing Solar’s Director of Solar Strategy, Geoff Greenfield, is the Vice-Chair of the NABCEP Board of Directors.


Amicus Solar is a purchasing cooperative made up of leading solar installers with a like-minded approach to business.  Membership in Amicus Solar allows Kokosing Solar to achieve “scale” while still maintaining nimbleness, customer focus and “family business feel” of a smaller local company.

Our Team

Every one of our team members is passionate about solar. It shows in every Kokosing Solar project. Today, solar is about more than idealism — it is about practicality. Our care, dedication, and commitment to every solar installation ensures the delivery of the finest system and the best customer experience. That is the Kokosing Solar way.

Our Work

Check out the projects we’ve completed for homeowners, commercial customers, and more. We’d love for your solar project to be next. Give us a call today.

Impact Report

Interested in learning more about our work? We’d be happy to help! Contact us today to speak with a member of the Kokosing Solar team.

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