Shaw Renewables the bioenergy specialists

RHI Reform – 2018


Today Ofgem confirmed that their reformed RHI regulations have successfully passed through Parliament and are now in effect. This results in changes to both Non-Domestic and Domestic RHI schemes in Great Britain. RHI Reforms
The Tariff Guarantee process commenced at 10am this morning.  Other changes include:
  • Introduction of Assignment of Rights
  • Removal of wood fuel drying, waste drying or processing, and domestic swimming pools on Non-domestic premises as eligible uses of heat (this only effects applications accepted after 22nd May 2018)
  • Changes to efficiency thresholds for solid biomass Combined Heat and Power plant (implementation of 20% power efficiency threshold, up from 10%)
  • Revision of degression thresholds out to 2020/21
  • Amend the methodology of the degression mechanism
  • Operational administrative changes to give Ofgem further powers.

To find out more about the changes to the Non-Domestic Tariff, Ofgem have released guidance on their website.

You can read the full legislative document online – The Renewable Heat Incentive Scheme Regulations 2018


Ofgem will publish a more detailed note in June, outlining the upcoming major changes to the Domestic scheme, with regards to Assignment of Rights regulations which are due to come into effect on 27 June 2018.

RHI Reforms