Commission Decision 2003/796/EC1 established a European Regulators Group for Electricity and Gas to facilitate consultation, coordination and cooperation between the regulatory bodies in the Member States, and between these bodies and the Commission, with a view to consolidating the internal market and ensuring the consistent application in all Member States of Directive 2003/54/EC of the European Parliament and of the Council of 26 June 2003 concerning common rules for the internal market in electricity2, Directive 2003/55/EC of the European Parliament and of the Council of 26 June 2003 concerning common rules for the internal market in natural gas3 and Regulation (EC) No 1228/2003 of the European Parliament and of the Council of 26 June 2003 on conditions for access to the network for cross-border exchanges in electricity4.

In order to enhance the cooperation between national regulatory bodies and to contribute further towards the effective functioning of the internal markets in electricity and natural gas, an Agency for the Cooperation of Energy Regulators was established by Regulation No (EC) 713/2009 of the European Parliament and of the Council.5.