Publications

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 analyses the preparedness of persons professionally arranging transactions (PPATs) to detect and report suspicious behaviour. PPATs are trading intermediaries such as energy exchanges, organised market places (OMPs) or brokers, who arrange or facilitate transactions in wholesale energy products.

This report focuses on national regulatory authorities’ (NRAs’) analysis of suspicious transaction and order reports (STORs) submitted by PPATs, their enforcement actions and penalties.

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.

ACER report on distribution system operator investments and revenue setting (2026) finds a major upscaling in electricity distribution grid investment trends across Europe and proposes 10 recommendations to optimise the ramp-up.

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 outlines key developments in European energy markets in 2025, with a focus on the evolving interaction between gas and electricity. It sets out ACER’s recommendations to step up energy market integration efforts to support decarbonisation, energy security and competitiveness goals.

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.