# The Renewables Obligation Order (Northern Ireland) 2009, Paragraph 1


The greenhouse gas emissions from the use of biomass are equal to—
(a) where the biomass is used by a combined heat and power generating station, Eηel(ηelηel+Ch×ηh);
(b) in any other case, Eηel.

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Source: https://www.legislation.gov.uk/nisr/2009/154/schedule/3B/paragraph/1 (the official version)
Page: https://openlegislation.uk/renewables-obligation-order-northern-ireland-2009/schedule-3B/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.