Energy, the geothermal way

ASHOK B SHARMA
Posted: Tuesday, Oct 07, 2008 at 2233 hrs IST
Updated: Tuesday, Oct 07, 2008 at 2233 hrs IST

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: hut has been constructed and temperature maintained in the range of 20°C to 25°C. A pre-feasibility report on development of geothermal fields in the Puga valley for power generation has been prepared by NHPC.

According to surveys and studies conducted by NGRI, Hyderabad geothermal reservoir is found at a depth of about 1.5 to 2 km in the Puga valley. The estimated depth of geothermal reservoir is about 4 to 5 km and the estimated temperature of the deep geothermal reservoir is 200 to 250°C. In Tatapani the geothermal field found at a depth of 3 km has a temperature of about 260°C.

The use of geothermal energy, however, has certain limitations as it may cause some pollution of land and air due to certain dissolved gases. Excessive removal of gas from the deeper regions of the earth may cause some problems in the future....

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» Incorrect and Misleading Information

Posted by Dr M Ayaz Alam on 2009-07-08 03:58:51.82004+05:30
The author mentions about 5 MW geothermal power plant at Manikaran. This information is incorrect. In fact, a 5 kW (not MW) plant was set up in August 1989 but was destroyed by landslide shortly after its set up. Currently there is no working geothermal power plant in our country.

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