Energy: Wind Generation

House of Lords written question – answered on 13th May 2009.

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Photo of Lord Carlile of Berriew Lord Carlile of Berriew Spokesperson for Health

To ask Her Majesty's Government what are their estimates of the costs per megawatt of (a) wind-generated electricity, and (b) nuclear-generated electricity, including construction, maintenance and grid connection costs.

Photo of Lord Hunt of Kings Heath Lord Hunt of Kings Heath Minister of State (Sustainable Development, Climate Change Adaptation and Air Quality), Department for Environment, Food and Rural Affairs, Minister of State (Sustainable Development, Climate Change Adaptation and Air Quality), Department for Energy and Climate Change, Minister of State (Department of Energy and Climate Change), Minister of State (Department for Environment, Food and Rural Affairs) (Sustainable Development, Climate Change Adaptation and Air Quality) (also in the Department for Energy and Climate Change), Deputy Leader of the House of Lords

The Government have carried out analysis on generation costs in some detail in recent years to inform policy decisions. Some of these estimates were published as part of the Energy Review (2006). Estimates made in 2007-08 suggest the following indicative levelised costs (£/MWh) associated with 1MWh of electricity generated from wind and nuclear power. These costs include construction and maintenance costs but do not include grid connection costs (which depend on location and distance from the nearest grid connection point rather than type of generation). The updating of cost assumptions for a range of generation technologies is ongoing.

Levelised cost (£/MWh)
Onshore Wind (80MW)—base case 70
Offshore Wind (100MW)—base case 92
Nuclear Pressurised Water Reactor—base case 38

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Annotations

Francis Macnaughton
Posted on 14 May 2009 1:49 pm (Report this annotation)

Of course this comparison does not include the hidden subsidies for nuclear such as the government indemnity against major accident and the unquantifiable costs (because there isn't an agreed solution)of long term waste storage and disposal