Injection of biogas into natural gas networks in European countries 2020

* STEP = Sewage treatment station

Compared to Spain and Italy, the source adds the following information: "In Spain, the Valdemingomez site injects into the transport network in 2015. Currently, there is no incentive policy in favor of biomethane in Spain. In Italy, a purchase tariff for the production of biomethane was set up in 2013. However, there are currently only 3 biomethane production projects and the injection is not authorized for this purpose. day. "
With regard to biogas and methanisation Ministry of the Environment, Energy and the Sea gives the following explanations: "Anaerobic digestion is a natural process of biological degradation of organic matter. It can occur naturally in certain environments such as marshes or can be implemented voluntarily in dedicated units thanks to industrial equipment. It produces a gas called "biogas", consisting mainly of methane (50 to 70%) and carbon dioxide. It is the methane contained in biogas that gives it its energetic properties. "