The US Department of Energy has approved an $8.6 million grant that will allow the nation’s first utility-led geothermal heating and cooling network to double in size. Gas and electric utility ...

An obscure state bill signed by Gov. Gavin Newsom last week could not seem less important. Or interesting. Let’s be honest. It describes how counties can now serve as lead agencies for environmental ...

A promising alternative to natural gas has been taking root in Massachusetts — underground pipes and wells that tap into geothermal energy to heat and cool buildings across a neighborhood. But late ...

Early next year, the Texas grid will get its first dose of clean power from underground — by means of a “battery” buried in the rock. On Tuesday, the San Miguel Electric Cooperative announced a deal ...