A primary objective of the Council of European Energy Regulators (CEER) is to facilitate the creation of an EU-Internal Energy Market to the benefit of its businesses and citizens. Europe's national regulatory authorities (NRAs) of electricity and gas cooperate and share best practice not only with each other but also with fellow regulators outside of Europe, including on issues such as climate change and affordability.

The Agency for the Cooperation of Energy Regulators (ACER), established in March 2011 following the entry into force of the “3rd Package” of EU energy legislation, has been assigned a series of tasks and responsibilities in relation to Europe’s electricity and gas markets. ACER provides the regulatory framework necessary to establish an integrated European grid in electricity and gas in the interest of Europe’s consumers. CEER undertakes work which is complementary to (and not overlapping with) ACER's work.

CEER helps national regulators to fulfil effectively their individual European responsibilities for achieving a competitive, sustainable and secure energy market in Europe (e.g. through training and the sharing of best practices). CEER engages fully with policy makers to help in the development of a sound and sustainable single European energy market. CEER enhance provides a platform for energy NRAs to collaborate, develop good practices and share experiences.

CEER's 3D Strategy and Implementation of the Clean Energy Package were the key drivers of our 2019-2021 Work Programmes. We also continue to develop our international relations with regulators across Europe and globally. As of 2022, we focus our work based on Empowering Consumers for the Energy Transition Strategy.

CEER has the following groups:
• Electricity Working Group (EWG)
• Gas Working Group (GWG)
• Customers and Retail Markets Working Group (CRM WG)
• Market Integrity and Transparency Working Group (MIT WG)
• International Relations Group (IRG)
• Distribution Systems (DS WG)
• Digitalisation

These groups are composed of technical experts from the national regulatory authorities and are supported by the Brussels-based Secretariat (see Organisational Structure). A detailed explanation of their work can be found in the CEER 2022 Work Programme.