ACER will consult on amendments to the long-term capacity calculation methodology of the Core capacity calculation region (CCR) from 27 February until 27 March 2026.
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.
ACER publishes its Recommendation on how national regulatory authorities (NRAs) should report barriers to non-fossil flexibility in their flexibility needs assessments.
ACER publishes its Decision amending the European Resource Adequacy Assessment methodology, following the proposal submitted by the European Network of Transmission System Operators for Electricity (ENTSO-E) in November 2025.
