also Electricity billing in the UK Future Energy (former green electricity accreditation scheme) Green electricity Green tags Non-Fossil Fuel Obligation Renewable Energy Certificates (United States) – a similar mechanism in the US United Kingdom Climate Change Programme References External links Calculating Renewable Obligation Certificates (ROCs) – banding, Department of Energy & Climate Change, April 2013 8 January 2007, New Builder: BWEA warns on UK renewables policy as Germany leads the way 9 October 2006, ePolitix.com: Granting of renewables obligation certificates to be reformed 9 August 2006, Guardian Unlimited: Tickell, O: Treasury takes £150m out of renewable energy fund Renewable energy in the United Kingdom Environment of the United Kingdom Waste legislation in the United Kingdom