The Consumer Protection and Empowerment volume looked at the performance of European energy markets from the final household consumer perspective. The volume explored the impact of the Third Energy Package provisions into national legislation. It analysed in depth public service obligations, the protection of vulnerable consumers, consumer information rights, smart meters and consumer complaints. The report also elaborated on the existence and effectiveness of consumer protection mechanisms and included a set of recommendations on how to further enhance consumer rights.​

From 2019 edition this publication is titled Energy Retail and Consumer Protection Volume​ and integrate the previously separate Consumer Protection and Electricity and ​Gas Retail Markets Volumes.​​​

ACER monitors and reports annually on the EU (internal) markets of electricity and natural gas (our so-called Market Monitoring Reports).

During 2024, ACER publishes a series of overviews of the functioning of gas markets and the progress towards an internal EU gas market:

• March: Analysis of LNG market developments; Key developments in EU gas wholesale markets (2023 & Q1 2024);
• July: Key developments in EU gas wholesale markets (Q2);
• October: Key developments in EU gas wholesale markets (Q3);
• November: European hydrogen markets;
• January 2025: Key developments in EU gas wholesale markets (Q4 2024).