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Lec : Geothermal Energy

Lec : Geothermal Energy. Geothermal: Geothermal power uses the natural sources of heat inside the Earth to produce heat or electricity. . Geothermal Technologies Systems:. Direct-use: A drilled well into a geothermal reservoir to provide a steady stream of hot water.

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Lec : Geothermal Energy

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  1. Lec: Geothermal Energy

  2. Geothermal: Geothermal power uses the natural sources of heat inside the Earth to produce heat or electricity.

  3. Geothermal Technologies Systems: • Direct-use: A drilled well into a geothermal reservoir to provide a steady stream of hot water. • Deep reservoirs to generate electricity: Power plants that use steam, accessed through deep wells, to directly drive a turbine to produce electricity. California, Hawaii, Nevada, and Utah currently have operating geothermal power plants.

  4. Geothermal Technologies Systems: Geothermal heat pumps: A geothermal heat pump transfers heated, stored water in the ground, into a building during the winter, and transferring it out of the building and back into the ground during the summer.

  5. Geothermal Power Plant

  6. Geothermal Power Plant in CA

  7. Ground water temperatures 6kM below the Earth’s surface

  8. Advantages • Renewable • Minimal pollution

  9. Disadvantages • Limited areas • Requires drilling to find a source • Produces hydrogen sulfide gas

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