On 1 March 2023, ACER received the TSOs' proposal for the amendment of the Harmonised Allocation Rules (HAR) for long-term electricity transmission rights, mainly to allow for their long-term flow-based allocation.
ACER launched its daily Liquefied Natural Gas (LNG) benchmark on Friday, 31 March 2023 which complements ACER’s daily LNG price assessments, launched on 13 January 2023.
On 31 March 2023, ACER issued an opinion on the revised statutory documents of the European Network of Transmission System Operators for Electricity (ENTSO-E).
ACER provides recommendations to the Lithuanian national regulatory authority, VERT, particularly regarding the existing regional networks and the need to enhance transparency on the proposed asset splits.
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.
