Now, twenty five years after work stopped at Rosemanowes, the company is once again at the forefront of geothermal research in the UK. In partnership with Geothermal Engineering Limited we are starting work on the United Downs Deep Geothermal Power project, just a few km from our offices in Cornwall.
Two wells will be drilled into a target geological structure within the granite beneath United Downs; one to a depth of 2.5km and the other to a depth of 4.5km. Water will be circulated through the fracture system from the shallow injection well to the deep production well, mining heat from the rocks. It will be pumped to surface at a temperature of about 175°C where it will supply the demonstration power plant to produce 1 MW of clean renewable electricity.
During the second half of 2017 the site will be prepared for drilling, project infrastructure will be put in place and a microseismic monitoring network will be installed. We hope to start drilling the injection well in early 2018.
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