ACER issued the long-term capacity calculation methodology for the Core capacity calculation region on 3 November 2021. Following the Board of Appeal Decision of 7 July 2022, ACER will revise the methodology and amend its decision.
ACER publishes today a Study on the Future Regulatory Decisions on Natural Gas: Repurposing, Decommissioning and Reinvestments. ACER commissioned DNV as a consultant to carry out the study.
High prices and high volatility on the wholesale energy markets has led ACER and National Regulatory Authorities (NRAs) to reinforce their scrutiny (under REMIT) to detect and sanction possible instances of market abuse.
ACER is running a public consultation on the Transmission System Operators’ (TSOs’) proposal to include Norway in the capacity calculation regions (CCRs).
ACER publishes its report on Denmark’s proposed tariffs applicable for filling gas storages and for the emergency gas supply to non-protected consumers.
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.