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.

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.

This report provides insights into European gas wholesale markets during the final months of the gas summer season (July to September 2025), highlighting key trends in supply, demand and market prices.

The report examines the role of cross-zonal electricity trade in shaping a more integrated and efficient EU electricity market. 

This report assesses whether the proposed reference price methodology for Finland complies with the requirements of the EU binding Network Code on Harmonised Transmission Tariff structures. 

This report assesses whether the proposed reference price methodology for Croatia complies with the requirements of the EU binding Network Code on Harmonised Transmission Tariff structures. 

This guidance provides practical recommendations to help national distribution grid operators align with Europe’s decarbonisation goals and turn grid development into a driver of the clean energy transition. 

Covering 50 decisions made between 2014 and 2024, the report provides insights into how these decisions determine the cost distribution of major cross-border projects and support project development.

The report provides insights into European gas wholesale markets during the early months (April to June 2025) of the gas summer season, highlighting main trends in gas supply, demand and market prices.

This ACER report showcases main gas balancing trends in the EU for the 2023-2024 gas year.