Documents and Publications

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 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. 

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.

ACER's programming document outlines the Agency's strategic goals and priorities for the coming years, including its 2026 work programme.

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

Every year ACER produces a Consolidated Annual Activity Report (CAAR) describing the activities performed and the objectives achieved during the year.