The calculation of the Greenhouse Gas (GHG) emissions is an important component in the sustainability certification of the energy product, but so far without an adequate methodology consistent with the certification requirements of the bioenergy sustainability in China. This paper presents the key elements involved in the GHG emission calculation for the bioenergy sustainable certification. Firstly, the general method of the GHG calculation is briefly presented. Then, based on the review of the methodologies of the bioenergy sustainability standards developed by the institutions in the world, the key elements of the calculation methodology are identified and analyzed. Finally, the paper analyzes different understandings in the current LCA analysis in China and makes preliminary suggestions on developing the GHG calculation methodology of the bioenergy for the sustainability certification in China.

bioenergy  /  greenhouse gas  /  calculation methodology