Geothermal power
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Geothermal Power. Presented By: John Trundt. 2 Main Uses of Geothermal Energy. Heating Space Heating Spas District Heating. Power Plants Industrial Processes Agricultural Applications. How It Works: . The first commercial power plant was built in 1911 in Italy

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Geothermal Power

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Geothermal power

Geothermal Power

Presented By:

John Trundt


2 main uses of geothermal energy

2 Main Uses of Geothermal Energy

Heating

  • Space Heating

  • Spas

  • District Heating

Power Plants

  • Industrial Processes

  • Agricultural Applications


How it works

How It Works:

  • The first commercial power plant was built in 1911 in Italy

  • The first down hole heat exchanger was created in 1930

  • Binary Cycle developed in 1967 in Russia

  • Supplies approx 0.3% of the global electricity demand


Power plants

Power Plants:

  • Worldwide commercial plants produce approx 10 GW of power

    • Direct geothermal heating contributes an extra 28 GW

  • 5 countries produce more than 15% of their electricity from geothermal sources

    • Iceland, Philippines, El Salvador, Costa Rica, & Kenya

  • Plants use 3.5 square km per GW of electrical production versus 32 for coal

  • Environmentally safe

    • No production of green house gasses


Direct heating

Direct Heating:

  • Pipes are buried anywhere from 6-300ft underground

  • 3.5-5 times more efficient than most fossil fuel furnaces

  • Polyethylene pipes used will last up to 50 years


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