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UK Wind Farms
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Source: DUKEShttp://www.decc.gov.uk/en/content/cms/statistics/energy_stats/source/renewables/renewables.aspx
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Table 7.1 Renewables Capacity and Energy Generation
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2010201020102011Year Total
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2nd quarter3rd quarter4th quarter1st quarter
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Cumulative Installed Capacity (MW)
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Onshore Wind3,8773,9814,0374,134
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Offshore Wind1,0411,3411,3411,341
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Energy Generated (GWh)
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Onshore Wind1,1881,9032,2722,3227,685
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Offshore Wind4568211,1009883,365
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Implied Capacity Factor
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Onshore Wind14%22%26%26%22%
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Offshore Wind20%28%37%34%30%
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UK Solar Photovoltaics
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Source: DUKES
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Table 7.1 Renewables Capacity and Energy Generation
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2010201020102011Year Total
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2nd quarter3rd quarter4th quarter1st quarter
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Cumulative Installed Capacity (MW)
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Solar photovoltaics395577109
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Energy Generated (GWh)
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Solar photovoltaics101181443
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Implied Capacity Factor
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Solar photovoltaics12%9%5%6%8%
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Since UK installed capacity of solar pv is changing rapidly through period above, and there is a significant seasonality to the performance, a preferred method is given below.
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UK Solar Photovoltaics (2)
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Source: SAP 2009
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South Facing 1kWp, 35 degree tilt angle, no shade
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Predicted kWh per year858
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Hours in year8760
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Energy output if operating continually at 1kW8760
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Capacity Factor10%
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