Geothermal Energy
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States with geothermal power plants
California (70%) (state share of taotal geothermal generation) Nevada (24%) Utah (2%)
The geysers
largest known dry steam field in the world located in California
Geothermal Electricity Production ranked by country
U.S. 1st Indonesia 2nd Kenya 8th (but gets 46% of electricity from geothermal) iceland - 9th
Geothermal resources of U.S.
West + Hawaii
Geothermal plants have low emission levels: (gases it may emit)
-do not burn fuel, but may emit small amounts of SO2 and CO2
Plants emit __% less acid-rain causing sulfur compounds and ___% less CO2 than fossil fuel power plants
97 and 99
Purpose of Scrubbers
remove H2S found in geothermal resevoirs
OTEC
ocean thermal energy conversion system
OTEC depends on
greater than 20 Celsius or 36 Fahrenheit surface water/deepwater
Most prolific geothermal plant type
flash steam plants
Dry steam power plant
-uses steam directly from a geothermal resevoir to turn generator turbines -Built in tuscany, italy
Flash steam power plant
high pressure hot water - steam - generator turbines
Binary Cycle power plant
transfer heat from geothermal hot water to another liquid