India is set on a trajectory to realizing the government’s commitment to generating 175 GW of renewable energy by the year 2022.
Giving a new dimension to PM Modi’s speech at the UNGA, the Institute of Seismological Research (ISR) has started exploration for plant sites in the state of Gujarat for setting up India’s 1st geothermal power plant. This plant will use the heat stored in the earth’s crust for the production of electricity.
The target is to find a suitable place with an underground geyser which can supply the water at a temperature range of 80-100 degree Celsius. Many places around the world have set up geothermal power plants as it is easier to get the stored energy from the earth with higher temperatures incentivizing the extraction and lowering the production cost of this energy.
The difference between a normal thermal power plant and a geothermal power plant is in the heat production stage as normal power plants use heat generated from either gas or coal which is then transferred onto turbines, but in geothermal plants this heat is extracted from the earth and then supplied to turbines for the purpose of energy production.
In India, though, finding a very hot source of energy is highly unlikely for its closeness to the equator and other geographical factors, but it should be noted that the new technique which is used by ISR is a breakthrough technology, it’s called 3D Magnetotelluric (MTM.T.) location technology. This technique which is pioneered by the ISR used 3D imaging technology to find the best spots for the location of underground sources of energy which is a necessity for setting up a geothermal power plant, the ISR has started surveys across the state of Gujarat as it feels that the state has the best possible geographical parameters to hold the plant.
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