# The Renewables Obligation Order (Northern Ireland) 2009, Paragraph 4: Calculating the greenhouse gas emissions


The default value method must not be used to calculate the greenhouse gas emissions from the use of biomass unless—
(a) the biomass was used in a generating station with a total installed capacity of less than one megawatt;
(b) the biomass is described in the first column of the table in Part 4; and
(c) in relation to the biomass, the result of the calculation in paragraph 7 of Part C of Annex 5 to the Renewables Directive is equal to, or less than, zero.

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Source: https://www.legislation.gov.uk/nisr/2009/154/schedule/A1A/paragraph/4 (the official version)
Page: https://openlegislation.uk/renewables-obligation-order-northern-ireland-2009/schedule-A1A/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.