On a farm near Manchester, New Hampshire, I was recently treated to a gusher of dirty water, not exactly the sort of thing that most startups will show a reporter. But for Dig Energy, the mud is a ...

In January, crews dug a second test borehole across from Union Station in New Haven to see if there was enough underground heat for a geothermal system to heat, cool and provide hot water to the ...

The iconic nation of Iceland has become a welcoming destination for renewable energy. But recent evidence has proven that ...

The problem is that all that lovely energy is trapped miles beneath the Earth's crust, and the costs of reaching it are astronomical. As a result, today's geothermal power is a niche source that's ...

Idaho has one of the highest concentrations of hot springs in the U.S. Gold Fork Hot Springs near McCall, pictured here, was once a popular tourist destination. Geothermal scientists say the hot ...

LITTLETON, Colorado, Nov 4 (Reuters) - Breakthroughs in drilling methods and heat extraction techniques are widening the appeal of geothermal power systems across the world, and geothermal generation ...

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 ...