‘Every building sits on a thermal asset’: how networked geothermal power could change cities

‘Every building sits on a thermal asset’: how networked geothermal power could change cities

The ground is humming with geothermal energy that could heat or cool our homes – and now the big US utilities are starting to take note

Along with earthworms, rocks, and the occasional skeleton, there is a massive battery right under your feet. Unlike a flammable lithium ion battery, though, this one is perfectly stable, free to use, and ripe for sustainable exploitation: the Earth itself.

While temperatures above ground fluctuate throughout the year, the ground stays a stable temperature, meaning that it is humming with geothermal energy that engineers can exploit. “Every building sits on a thermal asset,” said Cameron Best, director of business development at Brightcore Energy in New York, which deploys geothermal systems. “I really don’t think there’s any more efficient or better way to heat and cool our homes.”

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