Our agency is a member of European Agency for the Cooperation of Energy Regulators (ACER). Its headquarters are located in Ljubljana, Slovenia. ACER's main goal is to ensure energy market integration and pan-European harmonisation of regulatory frameworks and to promote cooperation among European energy regulators.

Our agency also participates in a work of the Council of the European Energy Regulators (CEER), a non-profit association located in Brussels.  CEER works as a central point for information exchange between European energy regulators.