‘The United States got about 2800 megawatts of geothermal energy in 2006, or 0.3 percent of the total. But it only costs 4 to 6 cents per kilowatt hour to make on average, according to DOE’s Energy Efficiency and Renewable Energy division – close to the ultra-cheap price of energy made from coal, but without coal power’s massive carbon emissions.’
via Greentech Media: For Cheap Clean Energy, Go Geothermal, Study Says.