European Renewable Gas Registry (ERGaR)

Shaping Europe’s Energy Future

ERGaR does more than connecting registries, it is a collaborative hub where registries, network operators, and market players work together to create a truly integrated renewable gas market. By connecting national systems and ensuring certificates can move freely across borders, ERGaR helps unlock investment, fosters innovation, and accelerates Europe’s transition toward a low-carbon economy.

2016

ERGaR Founded

ERGaR was established in Ghent, Belgium, creating the European Renewable Gas Registry to support cross-border renewable gas markets and lay the groundwork for future cooperation.

2021

Launch of the CoO Scheme & ExtraVert

ERGaR officially launched its Certificate of Origin (CoO) Scheme and the ExtraVert platform, enabling secure and efficient cross-border transfers of renewable gas certificates.

2024

Expanding Europe’s Renewable Gas Market

Over 2.8 TWh of biomethane certificates have been transferred, connecting 7 European countries, enhancing transparency, trust, and efficiency in the renewable gas market.

2024

Launch of the Cert-X Platform

The ERGaR CoO Scheme is operated via the Cert-X Europe platform, replacing the Extravert platform.

2025

ERGaR transfers cover more than 50% of the market

93% of the EU’s cross-border trade in biomethane certificates happens via ERGaR. Also, a record 4.27 TWh of certificates have been transferred through the ERGaR CoO Scheme.

2026

New ERGaR record reached in cross-border certificate transfers

In Q1 2026, 1.38 TWh of biomethane certificates are transferred via ERGaR. This is the highest quarterly volume ever recorded under the scheme (including transfers of Guarantees of Origin and other Certificates of Origin).