Geothermal power in the United Kingdom

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The potential for exploiting geothermal energy in the United Kingdom on a commercial basis was initially examined by the Department of Energy in the wake of the 1973 oil crisis. Several regions of the country were identified, but interest in developing them was lost as oil prices fell.

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[edit] Aquifer based schemes

Despite this, Southampton took the decision to create the UK's first geothermal power scheme as part of a plan to become a ‘self sustaining city’ in energy generation, promoted by then leader of the City Council Alan Whitehead. Turned down for funding by the Department of Energy, the scheme was eventually developed in conjunction with French-owned company Utilicom Ltd and the Southampton Geothermal Heating Company was the established. Construction started in 1987 on a well to drawing water from the Wessex Basin aquifer at a depth of 1 800 meters and a temperature of 76 °C.

The scheme now heats a number of buildings in the City centre, including the Southampton Civic Centre and the West Quay shopping centre, by providing 8% of the heat distributed by a larger city centre district heating system that includes other combined heat and power sources.[1]

[edit] Hot rock schemes

In addition to using geothermally heated aquifers, Hot-Dry-Rock geothermal technology can be used to heat water pumped below ground onto geothermally heated rock. Starting in 1977, trials of the technology were undertaken at Rosemanowes Quarry, near Penryn, Cornwall.

In 2004 it was announced that a hot rocks project would go ahead on the site of a cement works at Eastgate, near Stanhope in County Durham. The geothermal plant will heat the UK's first geothermal energy model village.[2]

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