On 4 August 2025, ACER received two proposals from all nominated electricity market operators (NEMOs) to amend the harmonised maximum and minimum clearing price (HMMCP) methodologies for the European day-ahead and intraday markets, respectively.
ACER publishes its Opinion on the updated manual of procedures for the European Network of Transmission System Operators for Electricity (ENTSO-E) Transparency Platform, submitted on 8 July 2025.
To keep up with evolving regulatory and technical requirements (including the 2024 revision of REMIT), ACER plans to update the REMIT market participant registration format and the Centralised European Register of Energy Market Participants platform.
ACER publishes a consultancy study aimed at identifying current challenges and areas for improvement in the development of energy scenarios used for long-term infrastructure planning and system adequacy assessments at EU level.
ACER releases two reports assessing whether the proposed reference price methodologies for the Croatian and Finnish natural gas transmission tariffs comply with the EU Network Code on Harmonised Transmission Tariff Structures.
Transmission system operators (TSOs) submitted a proposal to ACER to revise the harmonised allocation rules (HAR) and the requirements for the single allocation platform (SAP). ACER will open a public consultation.
In summer 2024, Southeast Europe experienced a sustained period of electricity price spikes. ACER sets out recommendations to increase cross-zonal capacity and system flexibility across the region.
