• Organization TypeGovernment
  • Staff101-250
  • HeadquartersSlovenia
  • Founded2011

Agency for the Cooperation of Energy Regulators (ACER)

ACER is composed both of permanent staff and experts seconded by national regulatory authorities (NRAs) in the field of energy. The Agency's regulatory activities are overseen by a Board of Regulators, composed of senior representatives of the national regulatory authorities for energy of the 28 Member States. Its administrative and budgetary activities fall under the supervision of an Administrative Board, whose members are appointed by European institutions. Finally, the ACER Board of Appeal is part of the Agency but independent from its administrative and regulatory structures, and deals with complaints lodged against ACER decisions.​​​​​​ ACER’s missions and tasks are defined by the Directives and Regulations of the Third Energy Package, especially Regulation (EC) 713/2009 establishing the Agency. In 2011, ACER received additional tasks under Regulation (EU) No 1227/2011 on wholesale energy market integrity and transparency (REMIT) and in 2013 under Regulation (EU) No 347/2013 on guidelines for trans-European energy infrastructure. The Agency's overall mission, as stated in its founding regulation, is to complement and coordinate the work of national energy regulators at EU level, and to work towards the completion of the single EU energy market for electricity and natural gas. ACER plays a central role in the development of EU-wide network and market rules with a view to enhancing competition. The Agency coordinates regional and cross-regional initiatives, which favour market integration. It monitors the work of European networks of transmission system operators (ENTSOs), and notably, their EU-wide network development plans. Finally, ACER monitors the functioning of gas and electricity markets in general, and of wholesale energy trading in particular.​​​​​ ACER can issue non-binding opinions and recommendations to national energy regulators, transmission system operators, and the EU institutions. ACER can take binding individual decisions in specific cases and under certain conditions on cross-border infrastructure issues. Upon request from the European Commission, ACER submits draft framework guidelines which serves as basis for the drafting of network codes. The network codes only become binding after comitology procedure involving Member States and the European Commission.
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Staff at Agency for the Cooperation of Energy Regulators (ACER) have experience in


  • climate change
  • development
  • international development
  • research & development
  • project management


  • managerial experience

Contact Agency for the Cooperation of Energy Regulators (ACER)

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Company Offices

  • Slovenia (headquarters)
  • Ljubljana
  • Trg republike 3