A new wave of start-ups are trying to harvest emissions-free energy from inside the Earth, but the industry still faces ...

The MarketWatch News Department was not involved in the creation of this content. Ormat Technologies and Carbon Direct Capital co-lead Series B financing, which will support the development of Sage's ...

Long before sunlight sustained life on the surface, Earth's internal heat powered the deep-sea vents where scientists believe ...

Fervo Energy , a startup that has pioneered new ways to produce electricity from the earth’s heat, is officially a publicly ...

Two to three miles below our feet lies a nearly inexhaustible source of energy, and a number of startups are working to harness it to provide carbon-free electricity. Unlike solar and wind generation, ...

Add Yahoo as a preferred source to see more of our stories on Google. Geothermal energy today plays only a minor role in the U.S. electricity mix. Most of the country lacks natural features like hot ...

While geothermal generation rose 11 percent between 2008 and 2013, the geothermal share of total U.S. electricity generation has remained consistently around 0.4% since 2001. There are currently 64 ...

California’s goal of producing more round-the-clock power from The Geysers may be in reach, as a demonstration there of next-generation geothermal energy technology has become operational and is said ...

Wall Street just handed clean energy a major vote of confidence after a Google-backed geothermal energy firm saw its ...

The IPO values the energy company, backed by Bill Gates and Google, at about $7.7 billion.

Kenya currently generates 3GW of power, but the data center needs 1GW. This means that a third of the country will plunge ...