The EU Agency for the Cooperation of Energy Regulators (ACER) publishes today a decision approving the harmonised allocation rules for long-term transmission rights (HAR) proposed by all Transmission System Operators (TSOs) for electricity.
On 16 November 2021, the EU Agency for the Cooperation of Energy Regulators (ACER) received a proposal from the European Network of Transmission System Operators for Electricity (ENTSO-E) for the first pan-European resource adequacy assessment (ERAA 2021)
ACER has inquired the role of regulation in incentivising smart investments to improve the efficient use of electricity transmission assets in a new Position Paper, published today.
The EU Agency for the Cooperation of Energy Regulators (ACER) publishes today its second report on the implementation of the EU Network Code on Harmonised Transmission Tariff Structures for Gas in Slovenia.
ACER has reached a decision on the proposal for the long-term capacity calculation methodology of the Core capacity calculation region (Core LT CCM) in cooperation with the regional regulatory authorities and transmission system operators.
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.
