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GEOTHERMAL ENERGY
By: AC,KW,NT
GT Energy
The Future of Dialtopia in Partner with GT Energy
25/05/2022
What is Geothermal Energy?
Renewable energy taken from earth's core
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It comes from heat generated during the original formation of the planet and the radioactive decay of materials.
Thermal energy is stored in rocks and fluids in the centre of the earth.
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https://www.google.com/imgres?imgurl=https%3A%2F%2Fcdn.shopify.com%2Fs%2Ffiles%2F1%2F0911%2F8940%2Farticles%2Famy-hamerly-IAFoyhroMjM-unsplash_2_1750x.jpg%3Fv%3D1565975231&imgrefurl=https%3A%2F%2Fwww.keapbk.com%2Fblogs%2Fkeap%2Fheat-engine-earth-geothermal-energy-is-clean-plentiful-and-good-for-cooking-so-why-aren-t-we-using-it&tbnid=kgnNeC8VnhXvcM&vet=12ahUKEwjO7tHVu4v4AhViIn0KHderAq8QMyhLegUIARCVAQ..i&docid=Y9Y233ZlkIey6M&w=1502&h=830&q=geothermal%20energy&client=safari&ved=2ahUKEwjO7tHVu4v4AhViIn0KHderAq8QMyhLegUIARCVAQ
COST & EXTRACTION
COST &
Infrastructure
https://www.google.com/imgres?imgurl=https%3A%2F%2Fenergypost.eu%2Fwp-content%2Fuploads%2F2019%2F02%2Fc-users-user-appdata-local-microsoft-windows-temp.png&imgrefurl=https%3A%2F%2Fenergypost.eu%2Fexclusive-geothermal-needs-new-long-term-thinking-it-worked-for-wind-and-solar%2F&tbnid=gITeHPCEPG6TcM&vet=12ahUKEwjT5NT5u4v4AhXRJH0KHfkYA4EQMygkegUIARCdAg..i&docid=e5wfpTXARFkUoM&w=1280&h=884&q=geothermal%20energy%20cost&client=safari&ved=2ahUKEwjT5NT5u4v4AhXRJH0KHfkYA4EQMygkegUIARCdAg
- Found along major tectonic plate boundaries where most volcanoes are located
- Such as the Ring of Fire
- California generates the most electricity from geothermal energy.
- The Geysers dry steam reservoir in
Northern California
- Direct use of geothermal energy: Pompeii, Rome, Japan, China, Peru, Mexico, New Zealand and Iceland
COST
- Around $4.5 million for a plant with a 1 gigawatt capacity
- Produce 1 gigawatt of energy (1000 megawatt) per hour.
https://www.energy.gov/ne/articles/nuclear-power-most-reliable-energy-source-and-its-not-even-close
- 5.09 cents per kilowatt-hour, which was compared to 32 cents for remote diesel, 7.7 cents for small hydro and 10.88 cents for wind.
EXTRACTION
EXTRACTION
https://www.google.com/imgres?imgurl=https%3A%2F%2Fwww.thinkgeoenergy.com%2Fwp-content%2Fuploads%2F2019%2F08%2FGeoVision_geothermal_overview_cut.png&imgrefurl=https%3A%2F%2Fwww.thinkgeoenergy.com%2Fpower-energy-electricity-heat-and-geothermal-the-importance-of-the-right-terminology%2F&tbnid=RlPPZUYCyiUEEM&vet=12ahUKEwiY_7OtvIv4AhX6ADQIHfsFA3EQMygPegUIARD1AQ..i&docid=TLMJzdK6KiG85M&w=800&h=581&q=geothermal%20energy&client=safari&ved=2ahUKEwiY_7OtvIv4AhX6ADQIHfsFA3EQMygPegUIARD1AQ
1. Hydrothermal/ Wet Geothermal Energy: uses the steam of super-heated groundwater.
2. Dry Geothermal Energy: where heated rocks exist close to the surface, and use a different water source.
3. EGS (Enhanced Geothermal System): recover the heat stored in hot dry rocks that are 4-10 km below the surface.
https://www.google.com/imgres?imgurl=https%3A%2F%2Fgreenesa.com%2Fuploads%2Fnews%2F1631205661Geothermalenergydetailgreenesa.png&imgrefurl=https%3A%2F%2Fgreenesa.com%2Fblog%2Fgeothermal-energy-types-uses-advantages&tbnid=4aK0V3usc-5ctM&vet=12ahUKEwiY_7OtvIv4AhX6ADQIHfsFA3EQMygEegUIARDfAQ..i&docid=N1cinU0dWDgB7M&w=800&h=450&q=geothermal%20energy&client=safari&ved=2ahUKEwiY_7OtvIv4AhX6ADQIHfsFA3EQMygEegUIARDfAQ
Advantages
- Clean energy
- Great for baseload power
- Scalable
- Provide electricity and heat to cities.
- Connected to local transmission lines.
- Alternative to diesel-generated heat and electricity systems.
https://images.app.goo.gl/D8i6EArSmPsEggHo6
Reliability
- Renewable and sustainable energy
- Reliable source of energy
- Always available
- Easy to calculate
- Does not fluctuate
- Can predict the power output
https://www.google.com/imgres?imgurl=https%3A%2F%2Fwww.researchgate.net%2Fprofile%2FSaad-Kashem%2Fpublication%2F349685314%2Ffigure%2Ffig1%2FAS%3A999184752726019%401615235617477%2FReliability-of-Geothermal-Energy-source-50.ppm&imgrefurl=https%3A%2F%2Fwww.researchgate.net%2Ffigure%2FReliability-of-Geothermal-Energy-source-50_fig1_349685314&tbnid=NRgjnyFnUF5mvM&vet=12ahUKEwjsmtXMwov4AhXiAjQIHe8AAXwQMygBegUIARC8AQ..i&docid=cQ0opLr0P6zd8M&w=753&h=289&q=geothermal%20energy%20reliability&client=safari&ved=2ahUKEwjsmtXMwov4AhXiAjQIHe8AAXwQMygBegUIARC8AQ
Drawbacks & Solutions
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Location specific - need to be built in places where the energy is accessible.
https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.conserve-energy-future.com%2Fpros-and-cons-of-geothermal-energy.php&psig=AOvVaw243Hf7STE3XQO3-oZOXSVc&ust=1654148443898000&source=images&cd=vfe&ved=0CAwQjRxqFwoTCOCPo6fFi_gCFQAAAAAdAAAAABAD
DRAWBACKS
& Solutions
Greenhouse gases are released into the atmosphere during digging.
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High initial cost, around $2-$7 million for a plant with a 1 megawatt capacity.
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https://www.google.com/url?sa=i&url=https%3A%2F%2Fhomeguide.com%2Fcosts%2Fgeothermal-heat-pump-cost&psig=AOvVaw06mcgQizSklSAGb7dmupQE&ust=1654147845569000&source=images&cd=vfe&ved=0CAwQjRxqFwoTCNi0z4jDi_gCFQAAAAAdAAAAABAD