On 11 February 2026, ACER issued its Opinion on ENTSOG's Winter Supply Outlook 2025/2026. This publication is particularly timely in light of the recent EU measure phasing out Russian gas imports.
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.
In December 2025, NRAs of Continental Europe Synchronous Area asked for a six-month extension to decide on the minimum activation period of frequency containment reserves. With its Decision 01/2026, ACER prolonged the NRAs' deadline until 17 June 2026.
The dataset provides economic parameters for new electricity resources, including estimated capital and operational costs for different power generation technologies and demand-side flexibility.
On 21 July 2026, ACER received a proposal from all nominated electricity market operators to amend the methodology for the price coupling, continuous trading matching and intraday auction algorithms. ACER will decide by 21 January 2027.