Why Choose GTRE
With a proven track record of successful projects and satisfied customers, we've earned a reputation for delivering results that exceed expectations. We understand that each home and customer is unique, which is why we tailor our solar installations to meet specific needs, ensuring maximum efficiency and cost-effectiveness.
The small business with a big heart
Family Owned & Operated
We are a Northeast Tennessee company that lives and works here. Most solar companies in the area hire installers from other states to come and work here temporarily.
Over 15 Years
of Business in Tennessee
No consumer lawsuits.
No company name changes.
One company, one name,
one you can depend on.
NABCEP Certified PV Installation Professional
The North American Board of Certified Energy Practitioners® is the most respected, widely recognized certification organization for professionals in the field of renewable energy.
Certified to Install & Repair All Major Solar Systems
Including SolarEdge, LG Chem, Enphase Energy, Generac PWRCell, Outback Power, Schneider Electric, Franklin WH, APSystems, etc.
Small but Mighty Team
Other companies may have a sales staff, a call center, and a warranty department. We can keep our customer service level high and our prices low with our small, but experienced and professional, team.
Support a Local
Spending money with a locally owned small business isn't just better for you - it's better for our local economy.