The document provides detailed information on projects of common and mutual interest (PCIs and PMIs), with the latest available information up to Q4 2025, including cost and status evolution, technical updates and implementation plans.
The report tracks remaining Russian gas contracts to the EU during the phase-out of Russian gas imports, as mandated by the REPower Gas Regulation. This is the first report produced under the Regulation, the next one is due on 1 July 2027.
The 2025 Consolidated Annual Activity Report outlines ACER’s regulatory work and achievements over the year. It also reviews how ACER delivered on its 2025 work programme.
The report explores how the EU can balance gas decarbonisation with the three pillars of EU energy policy - sustainability, security of supply and industrial competitiveness and affordability.
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.

