ACER’s 2025 electricity Monitoring Report reviews progress in integrating EU electricity markets. It examines forward, day-ahead, intraday and balancing markets, and identifies where rules and projects are delayed.
The Spanish energy regulatory authority has imposed a €1 million fine on Enet Energy for attempting to manipulate the national organised gas market eight times from April to May 2023.
This report on gas network use provides a comprehensive overview of capacity booking and usage trends in the EU, exploring how diversified supply, demand shifts and evolving capacity booking strategies are reshaping gas flows across the EU.
ACER’s latest report on key developments in European gas wholesale markets examines key trends in gas supply, demand and market prices during the final months of the gas summer season (July to September 2025).
ACER initiates the review of its Decision 30/2020 on the electricity redispatching and countertrading cost sharing methodology for the Core capacity calculation region.
ACER received a proposal from the European Network of Transmission System Operators for electricity (ENTSO-E) to amend the methodology for the regional procurement of balancing capacity.
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.
