Unit 3: Geothermal Power

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  • Geothermal Power
    • Advantages
      • No pollution after manufacture
      • Renewable
      • Low maintenance cost
      • Not dependent on weather
    • Disadvantages
      • High installation costs
      • Suited only to volcanic areas
      • May release harmful gases
      • Not easy to transport energy
      • Sites usually far from cities
    • Location
      • Hot rocks near surface needed
      • Permeable rocks allow flow of fluids
      • Volcanic area
    • Harnessing heat from hot rocks - can produce steam to turn turbines or hot water for space heating


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