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Electricity Generation

Energy and Climate Change written question – answered on 29th November 2011.

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Photo of Barry Gardiner Barry Gardiner Labour, Brent North

To ask the Secretary of State for Energy and Climate Change how many gallons of water are required to produce one megawatt hour of energy in the UK from (a) solar PV, (b) solar thermal, (c) wind, (d) coal, (e) oil, (f) biofuel, (g) nuclear and (h) geothermal.

Photo of Gregory Barker Gregory Barker The Minister of State, Department of Energy and Climate Change

We do not have figures for the amount of water used to produce one megawatt hour of energy in the UK from different primary energy sources.

Water is used at three main stages in the production of energy: when extracting resources such as coal, oil and uranium; while processing fuels; and during energy conversion, such as in a thermal power station. There have been many studies trying to estimate the “water footprint” of producing energy, but most only look at one or more of these stages and so do not give a complete picture.

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Yes1 person thinks so

No0 people think not

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