ACER emphasises that European solidarity over the coming winter to keep electricity across EU Member State borders is a key contributor to security of supply.
The European Court of Auditors (ECA) has published on 31 January 2023 a Special Report: Internal electricity market integration. ACER welcomes the attention given by ECA to EU electricity market integration and provides its reply to ECA.
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.