A Tulsa-based energy company says a new technology could help unlock more geothermal power by changing how wells are drilled and how heat is pulled from underground.

SALISBURY — Residents and visitors to the area may be wondering what the construction project is at Catawba College along West Innes Street. Did something break they need to repair? Is it a new ...

A once-overlooked technology that taps into the Earth’s heat to generate electricity could supply up to 20% of the electricity in the United States by 2050, according to a new Princeton analysis.

For several decades, our industry has applied closed-loop, water-source heat pump systems in commercial and institutional buildings. These systems can provide excellent energy performance when the ...