Documents and Publications

This report assesses contractual congestion in EU gas markets, covering 2024 and 2025. ACER finds that contractual congestion eased, pointing to a new equilibrium in the EU gas market following the 2022 market crisis.
 

This ACER LNG report reviews key market trends in 2025 and the implications for Europe’s energy security, including the risks linked to tensions in the Middle East.

This report provides an overview of European gas wholesale markets trends during the winter season, covering the period from October 2025 to March 2026. It also explores the evolving impact of the Middle East conflict on European gas markets.

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

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

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.