The Domestic Renewable Heat Incentive Scheme Regulations 2014 (the “2014 Regulations”) established the domestic renewable heat incentive scheme, under which owners of certain plant which generate heat, from specified renewable sources for domestic properties, may receive payments at prescribed rates (“tariffs”). The Renewable Heat Incentive Scheme Regulations 2018 (the “2018 Regulations”) revoke and replace the Renewable Heat Incentive Scheme Regulations 2011 which set out the non-domestic renewable heat incentive scheme, under which owners of plants which generate heat from specified renewable sources, and biomethane producers who produce biomethane for injection, receive payments for heat used for eligible purposes. Both sets of Regulations confer functions on the Gas and Electricity Markets Authority (“the Authority”) in connection with the administration of their respective schemes.