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References
1. This figure was calculated using the following:
Based on an annual electricity consumption per home of 4500 kWh which is derived from a total UK domestic electricity consumption of 117.841 terawatt-hours (TWh) and 26.344 million UK households giving 4,474 kWh per year per household rounded up to 4,500 kWh. Total domestic UK electricity consumption is as stated in The Digest of UK Energy Statistics 2009. The total number of UK households in 2008 is as stated in 'Energy Consumption in the UK'; Domestic Data tables 2009 update (table 3.3) published by the Office for National Statistics updated in July 2009. The energy predicted to be generated by the proposal is derived from monitoring wind speeds in the area and correlating this data to wind speeds measured at Met. Office stations. This enables a calculation to be made to estimate the average annual energy production for the site and this is based on 5 turbines each of rated capacity of between 2 and 3 MW with a capacity factor of 25-30% dependent on the turbine model selected (between 26,280 and 32,850 MWh per year).
The energy capture and equivalent homes figure relating to this project may change as more information is gathered. Number of homes figures are rounded to the nearest 100 homes.
3. World resources institute:
http://earthtrends.wri.org/pdf_library/data_tables/cli2_2005.pdf
4. Assumes wind power displaces 430 g CO2/kWh. This is representative of the current UK generating plant mix but may change over the life of any project at Spaldington Airfield
5. Ford Focus 1.6 Zetec assumed to have emissions of 159 g/km (What Car). Average distance from the earth to the moon is 378,000 km (NASA)
6. The total UK offshore resource has been estimated at 986TWh/y (in an EC Energy study - 'Study of Offshore Wind in the EC', HG Matthies et al, 1995. JOUR 0072, Vertga Naturliche Energie and repeated in ETSU report W/35/00250/REP/1). Based on an a electricity consumption in 2002 of 343.8TWh, this represents 29% of the available resource
7. British Wind Energy Association
8. BTM Consult
9. Global Wind Energy Council and Digest of UK Energy Statistics
