There is no legal requirement for companies supplying electricity or heat to Irish consumers to source some of that energy from renewable sources.
The Biofuel Obligation Scheme was introduced in July 2010 as the primary means for Ireland to meet the target of at least 10% renewable energy in transport by 2020, which was mandated by the 2009 Renewable Energy Directive. The scheme works by obligating road transport fuel suppliers to bring a certain amount of biofuels, currently 6% by volume, to the market.
The principal supports for the development of renewable electricity are the three Renewable Electricity Feed-in Tariff (REFIT) schemes which work by guaranteeing a minimum price for renewable energy generation over a 15 year period.