Documents and Publications

This report looks at the latest developments in the hydrogen sector and highlights the main regulatory and market challenges for the EU.

The report analyses how retail electricity markets can contribute to unlocking consumer flexibility in the context of the energy transition.

ACER’s 2025 report on security of EU electricity supply looks at whether Europe had adequate electricity supply in 2024, assesses risk preparedness and cross-sectoral interactions and highlights opportunities to improve efficiency through greater transparency and coordination.

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.