ACER found improvements in the selection of PCIs for trans-European energy infrastructure such as a list of gas projects where sustainability criteria has been considered and a more objective process for selecting electricity projects.
Europe’s electricity system split in two on 24 July 2021 resulting in transmission system outages in Spain, Portugal and the Pyrénées-Orientales region of France. ACER and national regulators join ENTSO-E’s Expert Panel investigating the system separation
ACER is gathering views and information regarding the proposal for the amendment of the Methodology for pricing balancing energy and cross-border capacity used for the exchange of balancing energy or operating the imbalance netting process
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.
