ACER issues today its guidelines to better protect cybersecurity information exchanged under the EU-wide network code on sector-specific rules for cybersecurity aspects of cross-border electricity flows.
ENTSO-E and EU DSO Entity submitted to ACER a joint proposal defining the methodology for analysing national flexibility needs in electricity systems. ACER has until 16 July to decide on it.
Today, ACER publishes its report on trends in the European gas wholesale markets during the gas winter season (October 2024 to March 2025). The report also explores gas storage dynamics over the winter and offers an outlook for summer 2025.
Today, ACER releases its report on the Czech gas transmission tariffs directed at the Energetický regulační úřad (ERO), the national regulatory authority of Czech Republic.
Today, ACER releases its report on the Lithuanian gas transmission tariffs, which assesses the compliance of the proposed reference price methodology with the requirements of the Network Code on Harmonised Transmission Tariff structures.
ACER approved the proposal from the EU TSOs to amend the methodology for intraday cross-zonal gate opening and closure time, with several clarifications and adjustments.
On 17 December 2025, the European Network of Transmission System Operators for Electricity (ENTSO-E) submitted its proposal for the European Resource Adequacy Assessment (ERAA) 2025 to ACER.
