Guidelines on renewable gas sustainability certification

The aim of this Deliverable is to present a set of guidelines for a harmonised sustainability certification approach for PowertoMethane pathways and technology combinations The guidelines will be based on the experience derived from existing liquid and gaseous pathways and on the discussion of the most relevant questions identified These relevant questions to be answered involving aspects such as the sustainability of the electricity used the origin of the carbon source as well as the crosscompatibility between the sustainability frameworks for bioenergy electricity and possible other sectors to be considered