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The UK has a target under the Renewable Energy Directive 2009 to produce 15% of its of energy from renewable sources by 2020, calculated on a net calorific basis across the electricity, heat and transport sectors, and with a cap on fuel used for air transport.
We estimated in the Renewable Energy Roadmap (published July 2011) that this would equate to around 234 TeraWatt hours (TWh) of eligible renewable energy generation, based on forecast energy demand in 2020.
The following table sets out a technology breakdown in TWh for a central view of renewables deployment in 2020, based on a total target of 234 TWh across the electricity, heat and transport sectors.
|Technology breakdown (TWh) for central view of deployment in 2020(1)|
|Biomass heat (non-domestic)||36-50|
|Air-source and Ground-source heat pumps (non-domestic)||16-22|
|Renewable transport||Up to 48|
|Others (including hydro, geothermal, solar and domestic heat)||14|
|Estimated 15% target||234|
|(1)Source: Renewable Energy Roadmap: http://www.decc.gov.uk/assets/decc/11/meeting-energy-demand/renewable-energy/2167-uk-renewable-energy-roadmap.pdf|