The CER has a wide range of stakeholders including
- Energy customers (of natural gas and electricity) ranging from domestic customers to large industrial users;
- Customer representative groups such as IBEC, ISME, the Chamber of Commerce, the Director of Consumer Affairs and the National Consumer Agency;
- Energy market participants, including new entrants, potential new entrants and the incumbent operators in the two sectors;
- The national grid operators for electricity and gas
- The Minister for Communications, Marine and Natural Resources, the Department of Communications Marine and Natural Resources (DCMNR), the Oireachtas and political representatives generally;
- A range of state bodies including Sustainable Energy Ireland, the Environmental Protection Agency (EPA), the Economic and Social Research Institute (ESRI), the Department of the Environment, the Department of Social and Family Affairs and the Competition Authority;
- Sectoral representative groups such as the IWEA and Meitheal na Gaoithe;
- The European Commission and other energy regulators and policy makers in the EU, particularly the Northern Ireland Authority for Energy Regulation (NIAER) the Northern Ireland Department of Enterprise Trade and Investment and Ofgem in the UK.