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Environment & Energy Report

Earth’s Heat Gives States Another Option for Clean Energy Goals

July 15, 2019, 10:01 AM

Tapping heat beneath the Earth’s surface for electricity and other uses is gaining ground among policy makers, especially out West, as states seek to expand their options for meeting more aggressive renewable energy goals.

Geothermal energy’s promise lies in its ability to constantly produce power with limited environmental impacts, unlike resources such as wind or solar that are weather-dependent and have other challenges.

It also has the potential “to power the global electric grid many times over” with a nearly unlimited supply, Susan G. Hamm, director of the Energy Department’s geothermal technologies office, says in...

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