Geothermal

1.Geothermal energy is made inside the Earth.2.The world geothermal comes from Greek words meaning ‘Earth’ (geo) and ‘heat’ (thermos).3.The technology behind geothermal electricity generation has improved substantially but it still only provides a fraction of world electricity generation.4.Geothermal power is clean, reliable and cost effective but its availability is often limited to areas near tectonic plate boundaries.5.Geothermal power plants in the Philippines and Iceland contribute around 30% of their electricity production. In the USA it is less than 1%.....................................................................................................................................................................................................................................................................................................................................................................................................................

Describe the handout on this blackboard...

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1Heating of Households and other buildings.2.Direct heating of greenhouses.3.Electricity production with steam turbine and generator.

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GEOTHERMALGeothermal energy is thermal energy generated and stored in the Earth. Thermal energy is the energy that determines the temperature of matter. The geothermal energy of the Earth's crust originates from the original formation of the planet (20%) and from radioactive decay of minerals (80%).