Documents and Publications

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.

The report looks at developments during the 2026 gas summer season and what they could mean for security of supply in winter 2026-2027.

This ACER report showcases main gas balancing trends in the EU for the 2024-2025 gas year. 

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

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.