"For $1 billion over the next 40 years, the U.S. could develop 100 gigawatts (a gigawatt equals one billion watts) of electricity generation that emits no air pollution and pumps out power to the grid even more reliably than coal-fired power plants, according to scientists at the Massachusetts Institute of Technology. Now Google.org—the charitable wing of the search engine giant—has chipped in nearly $11 million for this renewable resource: so-called geothermal power, or tapping the Earth's heat to make electricity.
That makes Google.org the largest funder of enhanced geothermal research in the country, outspending the U.S. government. The Australian government has pledged $43.5 million for such projects and already has several in the works, as do Europe and Japan.
But no such advanced geothermal plants are online in the U.S. at present, and may not be for many years to come...
"EGS is not for tomorrow," adds Lucien Bronicki, Ormat's co-founder and chief technology officer. "You have to reduce the cost of drilling to be able to go deep. You have to improve the efficiency of the pumps so you don't lose too much electricity pumping water around."
But for Google, one of the world's largest consumers of energy for its endlessly multiplying data centers, access to a googol's worth of clean energy is quite appealing. "EGS is a very exciting opportunity," Reichert adds. "We have a long way to go to bring it to commercial reality.""
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