Geothermal energy

Origin of Geothermal Energy

Different Geothermal Energy Sources

How Direct Use WorkDirect Sources function by sending water down a well to be heated by the Earth’s warmth.

Then a heat pump is used to take the heat from the underground water to the substance that heats the house.

Then after the water it is cooled is injected back into the Earth.

Direct Application of Geothermal Energy

Generation of Electricity

Dry Steam Plant

Flash Steam Plant

Binary Cycle Plant

Hot Dry Rocks

Homegrown Energy

Geothermal Heat PumpsLow maintenance charge

produces 4 times the energy that they consume

Can be online 90-100% of the time

Less gaseous emissions

Good Alternative to Fossil Fuels

Electricity generated by geothermal plants saves 83.3 million barrels of fuel each year

Direct use of geothermal energy prevents 103.6 million barrels of fuel each year

Positive Attributes

Geothermal’s Harmful Effects

CARBON DIOXIDE EMISSIONS per unit of energy produced

Comparison of CO2 emissions between conventional energy systems and geothermal plants to generate electricity.

Comparison of harmful emissions between a conventional oil fired central heating system and water/water based heat pumps

Conclusion

• As of 2010 geothermal energy is being used in 24 countries.

 • These countries currently have geothermal power

plants with a total capacity of 10.7 GW

• But 88% of it is generated in just seven countries: the United States, the Philippines, Indonesia, Mexico, Italy, New Zealand, and Iceland

Thank You!