(b)

In the case of co-digestion of different substrates in a biogas plant for the production of biogas or biomethane, the typical and default values of greenhouse gas emissions shall be calculated as: En_(1)E _(n) where E= greenhouse gas emissions per MJ biogas or biomethane produced from co-digestion of the defined mixture of substrates S_(n)= Share of feedstock n in energy content E_(n)= Emission in g CO_(2)/MJ for pathway n as provided in Part D of this Annex (*) S_(n)P_(n)W_(n)n_(1)W_(n) where P_(n)= energy yield [MJ] per kilogram of wet input of feedstock n (**) W_(n)= weighting factor of substrate n defined as: W_(n)I_(n)n_(1)I_(n)(1AM_(n)1SM_(n)) where: I_(n)= Annual input to digester of substrate n [tonne of fresh matter] AM_(n)= Average annual moisture of substrate n [kg water/kg fresh matter] SM_(n)= Standard moisture for substrate n (***). For animal manure used as substrate, a bonus of 45 g CO_(2)eq/MJ manure (– 54 kg CO_(2)eq/t fresh matter) is added for improved agricultural and manure management. The following values of P_(n) shall be used for calculating typical and default values: P(Maize): 4,16 [MJ_(biogas)/kg _(wet maize @ 65 % moisture)] P(Manure): 0,50 [MJ_(biogas)/kg _(wet manure @ 90 % moisture)] P(Biowaste) 3,41 [MJ_(biogas)/kg _(wet biowaste @ 76 % moisture)] The following values of the standard moisture for substrate SM_(n) shall be used: SM(Maize): 0,65 [kg water/kg fresh matter] SM(Manure): 0,90 [kg water/kg fresh matter] SM(Biowaste): 0,76 [kg water/kg fresh matter]

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Source: EUR-Lex (Cellar) · retrieved 2026-10-28 · Text as adopted (Official Journal); later amendments are not incorporated in this text.