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GEOTHERMA L ENERGY

A2A Geothermal energy

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Page 1: A2A Geothermal energy

GEOTHERMAL ENERGY

Page 2: A2A Geothermal energy

GEOTHERMAL ENERGY• “Geo” – EARTH, “Thermal” - HEAT• The natural heat of the Earth.• Originates from the original formation

of the planet (20%) and from radioactive decay of minerals (80%).

• The heat that is used for geothermal energy can be stored deep within the Earth, all the way down to Earth’s core – 4,000 miles down.

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GEOTHERMAL ENERGY

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ADVANTAGES of GEOTHERMAL ENERGY× Natural Source of Energy

× Environment Friendly

× Power Plant is Less Invasive

× Significant Cost Saving / Less expensive

× Reduce Reliance on Fossil Fuels

× High Load Factor

× Geothermal Power is Self-Sufficient

× Independent of the Weather

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1. Not widespread source of energy2. High Installation Costs3. Longevity

4. Transportation

5. Hazardous Materials

6. Earthquakes

DISADVANTAGES of GEOTHERMAL ENERGY

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GEOTHERMAL ENERGY IN THE PHILIPPINES

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Makiling-Banahaw (Makban) Geothermal Field

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Tiwi Geothermal Field, Albay

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Tongonan Geothermal Field, Leyte

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Palinpinon Geothermal Field

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Bacon-Manito (Bac-Man) Geothermal Field

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Mindanao Geothermal Field Mt. Apo

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Northern Negros Geothermal Production Field

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Geothermal plants around the globe

• The world’s first geothermal power station:

– Larderello, Southern Tuscany, Italy

– Built in 1911

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Geothermal plants around the globe

• Larderello Worlds First Geothermal Power Station contributed to:– Supplying power to a

million of houses globally.– 5000 GWh yearly

production– 10% of the world's total

geothermal electricity production.

Source: http://www.reuk.co.uk/Larderello-Worlds-First-Geothermal-Power-Station.htm

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Geothermal Power Plants around the Globe

1. Cerro Prieto Geothermal Power Station

– largest geothermal power station in the world

– Installed capacity of 720 MW

– plans for expansion up to 820 MW by 2012.

– located in south Mexicali, Baja California, in Mexico, and is built in five individual units, namely CP1, CP2, CP3, CP4 and CP5.

http://geothermal-powerplant.blogspot.com/2010/08/cerro-prieto-geothermal-power-station.html

Cerro Prieto Power

Station

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Geothermal Power Plants around the Globe

2. The Geysers– largest complex of

geothermal power plants located in Northern California.

– Around 22 power plants drawing steam from 350 wells.

– 1517 MW active capacity– Pacific Gas & Electric's Big

Geyser plant is the largest of the individual units

West Ford Flat power plant

Big Geyser plant

http://en.wikipedia.org/wiki/The_Geysers

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Geothermal Power Plants around the Globe

3. Hellisheiði Power Station– largest geothermal power

station in the world – in Hengill, southwest

Iceland – As of October 2011, the

plant produces 303 MW of electricity and 133 MW of hot water, with a target capacity of 400 MW

. Hellisheiði Power Station

. Hellisheiði Power Station

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Geothermal Power Plants around the Globe

4. Wayang Windu Geothermal Power Station – In Pangalengan, 40 km

south of Bandung,West Java.

– the largest geothermal power station in Indonesia

– utilizes two units, one with 110 MW and the other with 117 MW, totaling the installed capacity to 227 MW.

Wayang Windu

Geothermal Power

Station

Wayang Windu

Geothermal Power

Station

http://www.power-technology.com/projects/wayang-windu/

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Geothermal Power Plants around the Globe

5. Wairakei Power Station – lies in the Taupo

Volcanic Zone.– First geothermal

plant to use very hot water as the source of steam that is used to drive the turbines

– efficiency of converting heat energy to electrical energy is 37%

Wairakei Power

Station Wairakei Power

Station

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Geothermal Power Plants around the Globe

Utah’s 10MW geothermal power plant

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Geothermal Power Plants around the Globe

Harry Reid's hybrid solar-geothermal power plant

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Geothermal Power Plants around the Globe

Raser Technologies’ 120,000MW geothermal power plant

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Geothermal Power Plants around the Globe

Ohaaki geothermal power plant