A slate mountain near Llanberis, North Wales, which will be the site of Europe’s largest pumped water storage scheme and underground power station. It is expected that by 1981 the scheme will provide enough peak-hour electricity to serve the whole of Wales. Electricity will be produced by allowing water from an upper lake to cascade down a tunnel at a rate of 400 tonnes a second, turning turbines as it passes through a generating chamber on its way to a lake at the bottom. Surplus power will be used in off-peak periods for the six-hour job of pumping water back up to the top of the mountain for generating electricity in the next period of peak demand.
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Bibliographic details
Press, Volume CXVI, Issue 34151, 12 May 1976, Page 28
Word Count
117A slate mountain near Llanberis, North Wales, which will be the site of Europe’s largest pumped water storage scheme and underground power station. It is expected that by 1981 the scheme will provide enough peak-hour electricity to serve the whole of Wales. Electricity will be produced by allowing water from an upper lake to cascade down a tunnel at a rate of 400 tonnes a second, turning turbines as it passes through a generating chamber on its way to a lake at the bottom. Surplus power will be used in off-peak periods for the six-hour job of pumping water back up to the top of the mountain for generating electricity in the next period of peak demand. Press, Volume CXVI, Issue 34151, 12 May 1976, Page 28
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