Via Forbes -
When people talk about alternative energy, they typically discuss the potential of wind and solar projects. Don’t get me wrong – there’s a vast potential in those technologies. But often left out of the discussion is the vast potential for geothermal energy – using the natural heat under the Earth’s surface to produce electricity. Harnessing that energy is one of the cleanest, sustainable ways to produce electricity, and it also has the benefit of being more space efficient than, say, a wind farm.
Of course, like any natural resource, the question becomes – where best to build geothermal plants? To answer that question, researchers at Southern Methodist University, funded by Google.org, compiled data from over 35,000 sites to build a complete picture of geothermal potential in the United States. Their findings? There is a vast potential for geothermal energy that can be tapped with technology existing today. You can check out the mapping for yourself on Google Earth by going here and downloading the info.
How much energy? you ask. Well, the researchers based their estimates on what current technology is able to extract – not any hypothetical future advances. Even so, it turns out that there is three million megawatts of potential geothermal energy below the surface of the United States. That’s ten times the energy of every coal plant in the United States online today.
That’s an enormous potential for much cleaner energy than what we use today.
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