ACER reviewed more than 20 studies focusing on the technical and the cost aspects of repurposing existing gas infrastructure to pure hydrogen and developed a summary paper dwelling on the technical possibilities for repurposing.
ACER has received all transmission system operators' proposal establishing the congestion income distribution methodology for European electricity markets.
Early conclusions of the upcoming ACER Market Monitoring Report confirm that while the electricity wholesale markets continue to integrate across the EU, some significant challenges remain.
In August 2025, ACER has received a proposal from NEMOs to amend the harmonised maximum and minimum clearing price methodologies for the EU day-ahead and intraday market coupling. On 4 January 2026, ACER has approved the proposal.
ACER publishes its Opinion on the Integrated Model report for EU electricity, gas and hydrogen infrastructure planning, submitted in October by ENTSO-E and ENTSOG and prepared with support from ENNOH.
