Over 65% of our energy comes from fossil fuels like coal and oil and another 13% is nuclear energy, but very little down to less than 1% and up to 7% , are renewable energy plants. Geothermal energy is around 3%. That's how low geothermal energy is compared to how much it is used! So you need to know what it can do! Say no to plagiarism. Get a tailor-made essay on "Why Violent Video Games Shouldn't Be Banned"? Get an original essay The cause of geothermal energy The cause of geothermal energy is the decay of nuclear particles which increases the temperature and causes the formation of geysers, heated springs underground and the another cause is the heated rock just outside the mantle and the water touches them and heats up beyond the boiling point. The temperature required The temperature required for the conversion from water to energy is the boiling point and above, so it can be extremely dangerous to touch the heated water tank because you could get blisters if you touch it. I touched something that wasn't even close to that and got a blister on my finger. But the temperature requirement may be different depending on the power plant, the binary plant needs a temperature of 212 degrees and 359 degrees, and the flash steam needs a temperature of 360 degrees and above. Submarine Heated SpringsSubmarine heated springs are the primary sources for geothermal energy. Rarely are there above-ground sources and if there is it is usually a national park such as Yellowstone Park. And they send a tube to the underground source because it doesn't cause any damage to the surface when it comes to the appearance of the ground. History of geothermal energy. In ancient times above ground springs were usually the reason people settled in that specific area, for bathing and fresh heated water for cooking or washing clothes. Or take a nice warm bath. (if the water was hot enough) then we wouldn't have the cities we have without geothermal sources It's renewable and clean Geothermal energy is renewable because it can simply be sent back into the depths to heat up again and that process can last a long time, and the process only emits vapor that doesn't harm the atmosphere as much as CO2 and methane, and at some point it will condense into dew (water) overnight. The types of geothermal systems are binary and instant steam, in binary there is a heat transfer unit and 2 types of water! Please note: this is just an example. Get a custom paper from our expert writers now. Get a custom essay Types of Geothermal Energy Plants. Binary Power PlantsA binary power plant system is one in which the temperature of the water can drop to the boiling point and go up to 360 degrees for the system to function. It works by sending groundwater to a heat transfer system which transfers to a continuous water source for the power plant and which all in turn vaporizes a turbine which can produce energy and the water that has gone through the transfer of heat is sent back to the depths to be reheated and continues endlessly! Instant Steam Power Plants Binary power plants require rotation from 360 degrees to 212 degrees. Flash steam systems require a minimum temperature of 361 degrees and above for the power plant to operate. It sends the water heated until it turns into steam and spins a turbine which in turn drives a generator that produces electricity. The heated water that doesn't produce steam is sent back to the heated rock near the mantle with the cooled water, and this goes on forever! You should worry!