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April 20, 2025 | Tom Ballard

Chroma Energy Group completes solar installation at McGhee Tyson Air National Guard Base

The project is part of a phased initiative to establish a microgrid at the air base.

Knoxville-headquartered Chroma Energy Group has announced the completion of a new 1.4-megawatt solar installation at McGhee Tyson Air National Guard Base in Louisville.

The solar system, designed to enhance the base’s energy resilience and offset energy costs, is part of a phased initiative to establish a microgrid at the air base. The Air Guard will eventually add battery storage to the installation, further reducing the base’s grid reliance.

Once finished, the microgrid will enhance base operations during power outages and national emergencies, providing increased energy reliability for critical operations like air refueling missions.

“We are honored to be a part of this important project for the Tennessee Air National Guard,” said Ed Rottmann, Chief Executive Officer for Chroma Energy Group.  “This project is a great opportunity to help ensure the base is prepared for the future. We’re proud to support the Air National Guard in their important mission.”

Constructing a solar array near an airfield comes with unique considerations. Chroma Energy Group conducted reflection studies and carefully positioned the solar panels’ tilt angle to prevent glare from affecting flight operations at the base and nearby civilian airport.

“This installation is visible to all who fly over the base. To us, it’s a symbol of our commitment to energy resilience that enhances peoples’ lives,” said Rottmann. “Solar power plays a crucial role in our nation’s energy future, and we are proud to contribute to the Air National Guard’s long-term energy reliability goals and be a part of that.”



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