Closed-Loop Geothermal Systems (CGSs): Systems that circulate a working fluid through a closed loop in the ground to extract heat without directly interacting with the geothermal reservoir.

The appliances are more expensive and less common than air-source heat pumps. But big incentives and superb efficiency can ...

Open loop systems refer to another type of geothermal system where water is pumped out of the ground, run, through the ...

“Although we broke ground on The Riverie prior to the first compliance period, we anticipated the shifting regulatory landscape and prioritized a geothermal system—in addition to an all ...

A promising alternative to natural gas has been taking root in Massachusetts — underground pipes and wells that tap into ...

Installing ground ... home geothermal upgrades, Eric said. Eversource has so far connected 37 homes and businesses in Framingham, including the fire station, into its shared geothermal loop.

National Grid's decision raises questions about the viability of a key strategy many environmentalists had hoped could ...