# The Renewable Heat Incentive Scheme Regulations 2018, Paragraph 2


Lifecycle greenhouse gas emissions are to be calculated as follows—
(a) where heat and power are generated from solid biomass or biogas, the following formula must be used—
Ε ηh ( Ch×ηh ηel+Ch×ηh )
(b) where heat (and not heat and power) is generated from solid biomass or biogas, the following formula must be used—
E ηh
(c) where biomethane is produced from biogas, lifecycle greenhouse gas emissions must be E.

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Source: https://www.legislation.gov.uk/ukdsi/2018/9780111166734/schedule/3/paragraph/2 (the official version)
Page: https://openlegislation.uk/draft-renewable-heat-incentive-scheme-regulations-2018/schedule-3/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.