Electricity Generation

Energy and Climate Change written question – answered on 23rd March 2009.

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Photo of Chris Ruane Chris Ruane Labour, Vale of Clwyd

To ask the Secretary of State for Energy and Climate Change what his most recent estimate is of the average cost per unit of electricity generated from each type of renewable source.

Photo of Mike O'Brien Mike O'Brien Minister of State, Department for Energy and Climate Change

The generation cost of different technologies are measured in terms of levelised costs and are presented on a £ per megawatt hour basis. The Government have carried out analysis on generation costs in some detail in recent years to inform policy decisions. Some of these estimates have been published as part of the Energy Review (2006). 2008 estimates suggest the following indicative costs (£/MWh) associated with generating lMWh of electricity from renewable sources:

£/MWh
Onshore wind (80MW) 70
Offshore wind (100MW) 92
Biomass regular 80-90
Biomass energy crop 110-120
Biomass CHP 80-90
Wave 160-190
Tidal stream 150-180
Tidal range 130-160
Biowaste 90-110
Biogas 170-200

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