07 April 2026 First Certificates of Origin Guarantee issued for biomethane produced in Portugal Renewable gases
24 February 2025 First renewable gas injections into the transmission network to take place within next 36 months Renewable gases
23 October 2024 REN's infrastructure certified for transporting and storing hydrogen-natural gas blends Hydrogen Renewable gases
08 July 2024 Guarantees of Origin System for renewable gases starts this month Gas Renewable gases Energy Transition EEGO