US is worldwide geothermal energy self-important with an installed geothermal capacity of 3,086 megawatts (MW) in 2010.Geothermal energy is the fourth greatest significant renewable energy source in the Associate States (after everyone else hydropower, biomass and wind power) bookkeeping for approximately 4% of renewable energy-based electricity operate in the U.S.Associate States generates approximately 15 billion kilowatt hours of geothermal power per court, which makes approximately 30% of the world's amount.US at this time has 77 geothermal power plant, greatest of which are to be found in California (43).California is the upper US state in installed geothermal power capacity with a amount output better than 2500 MW.The greatest vivacious geothermal energy confines in Associate States is the Geysers, California. The Geysers is large geothermal facility consisting of 22 geothermal power plants (dry steam), with amount capacity better than 1500 MW.An ordinary geothermal power plant in Associate States emits approximately 122 kg of CO2 per megawatt-hour of electricity.Central geothermal power plant in Associate States needs roughly 20 litres of freshwater per MWh, and 3.5 pure kilometres per gigawatt of electrical production.Running and keeping administration of geothermal power plants in Associate States are 0.01 - 0.03 per kWh.Geothermal power plants in Associate States supply installation administration of approximately 2500 per installed kW.Stuck-up than 90 percent of US geothermal resources are soil on national lands.Top three geothermal energy producers in Associate States are California, Nevada and Utah.US installs elder than 50,000 geothermal heat pumps one and all court.Geothermal energy at this time satisfies approximately 20% of Hawaii's power inquire.US geothermal energy sector has highly developed mutiny of 26% in 2009.