Biomethane EN 16723: quality for grid injection

Biomethane EN 16723 is biogas purified to natural-gas quality for injection into the grid. In Spain, the binding specification for injection is set by the gas system Technical Management Rules (NGTS, Order TED/181/2025), which refer to EN 16723-1 for siloxanes: Wobbe index between 13.403 and 16.058 kWh/m³, CO₂ ≤ 2.5%, oxygen ≤ 0.01% and limited […]