These Regulations amend the Domestic Renewable Heat Incentive Scheme Regulations 2014 (S.I. 2014/928) (“the 2014 Regulations”) and the Renewable Heat Incentive Scheme Regulations 2018 (S.I. 2018/611) (“the 2018 Regulations”). The 2014 Regulations and 2018 Regulations provide for schemes under which owners of plants which generate heat from specified renewable sources and meet specified criteria, and producers of biomethane for injection, may receive payments at prescribed tariffs for heat used for eligible purposes. The 2018 Regulations continue the Non-Domestic Renewable Heat Incentive scheme established by the Renewable Heat Incentive Scheme Regulations 2011 (S.I. 2011/2860). The 2018 Regulations were closed to new applications on 31stMarch 2021.