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Drilling starts at Cornish geothermal electricity plant

Power News - Published on Fri, 16 Nov 2018

Image Source: The Guardian
Utility Week reported that drilling has commenced at the UK’s first deep geothermal electricity plant in Cornwall. According to plant owners, Geothermal Engineering Ltd, once operational it will supply up to 3 MW of electricity, which is enough energy to power 3,000 homes. Two deep geothermal wells will be drilled into the granitic rock beneath the site, the deepest of which will reach a ground-breaking 4.5 kilometres. Water will be pumped from the deepest well at a temperature of approximately 190C, fed through a heat exchanger at the surface and then re-injected into the ground to pick up more heat from the rocks in a continuous cycle.

The extracted heat will be converted into electricity and supplied to the National Grid.

The global engineering consultancy, Arup, has signed an agreement to purchase renewable energy guarantee of origin certificates from GEL equating to 9000MWh/year.

The REGO scheme is a UK Government sponsored scheme which enables companies to secure green energy for their operations.

The project has received approximately GBP 18 million in funding, including GBP 10.6 million from the European Regional Development Fund, GBP 2.4 million from Cornwall Council, GBP 5 million from private investors through Abundance Capital.

Dr Ryan Law managing director of Geothermal Engineering Ltd said that “The largely untapped geothermal resources in the UK have the potential to deliver up to 20% of the UK’s electricity and heat energy needs in a reliable and sustainable way.”

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Posted By : Rabi Wangkhem on Fri, 16 Nov 2018
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