Northeast Tennessee’s Leading
Energy Independence Experts

Locally Owned & Operated Since 2008

Utilizing Nature's Resources for Reliable Energy

SuN

With a properly installed solar system you can cut or eliminate your monthly electric bill, protect yourself from rate hikes, and safeguard your home from outages.

fuel

Utilize best-in-class propane and gas powered generators to provide your home with reliable back up power during power outages.

wind

Harness wind energy with high-performance turbines placed on the windy side of a hill, clear of obstructions and elevated 30 ft above anything within 300 ft.

Water

With fast flowing water and a high drop, you could use it to generate power or pump water with a micro hydro system. We can provide you with tools and resources to find out.

About Us

Energy independence off grid back up power in East Tennessee

Founded in 2008 by Ian Huddleston, GTRE is a 100% family-owned and operated company dedicated to helping Tennesseans achieve reliable energy independence. By utilizing all of Earth’s resources — sun, water, wind, and fuel — we can help protect you from rising electricity costs and keep your home running in any season.

We design and install dependable energy systems to fit your needs and budget — from solar with battery storage to gas generators, EV chargers, and complete off-grid or hybrid solutions. Backed by real experience, expertise, and integrity.

Our 5-star reviews by actual customers reflect the trust and confidence our customers have placed in GTRE — and you can trust us, too. Read more at SolarReviews.com and Google

IAN HUDDLESTON

Owner & CEO

See why GTRE is the most reliable renewable energy company in the region.

Free Estimates

No Pressure. No Unrealistic Promises.

Get Started >

What Clients Say...

"GTRE did a great job. It's exactly what I had hoped it would be. The install was basically perfect. The symmetry of the install was perfect. All electrical connections and conduit runs are perfect as well. It really is as I describe it and I would recommend them to anybody!"

Tom P

423.422.4348

info@gtresolar.com

Northeast Tennessee’s Leading
Energy Independence Experts

Locally Owned & Operated Since 2008

Utilizing Nature's Resources for Reliable Energy

SuN

fuel

wind

Water

About Us

Free Estimates

"GTRE did a great job. It's exactly what I had hoped it would be. The install was basically perfect. The symmetry of the install was perfect. All electrical connections and conduit runs are perfect as well. It really is as I describe it and I would recommend them to anybody!"

Tom P

GTRE Projects

423.422.4348

info@gtresolar.com

Northeast Tennessee’s Leading Energy Independence Experts

Locally Owned & Operated Since 2008

Utilizing Nature's Resources for Reliable Energy

SuN

fuel

wind

Water

About Us

Free Estimates

"GTRE did a great job. It's exactly what I had hoped it would be. The install was basically perfect. The symmetry of the install was perfect. All electrical connections and conduit runs are perfect as well. It really is as I describe it and I would recommend them to anybody!" Tom P

GTRE Projects

Northeast Tennessee’s Leading
Energy Independence Experts

"GTRE did a great job. It's exactly what I had hoped it would be. The install was basically perfect. The symmetry of the install was perfect. All electrical connections and conduit runs are perfect as well. It really is as I describe it and I would recommend them to anybody!"

Tom P