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.
On 11 August 2025, ACER has granted the requested extension by Swedish and Lithuanian regulators. They now have until 12 November 2025 to decide on the cross-zonal risk hedging opportunities at their borders.
On 2 July 2025, ACER received a proposal from all electricity transmission system operators (TSOs) to amend the methodology for intraday cross-zonal gate opening and closure time.
ACER’s 2026 Monitoring Report on energy infrastructure development in Europe examines whether electricity, gas and hydrogen networks are adapting to changing energy needs, and what this means in terms of investment costs, delays and costs for consumers.
