ETSO - (Association of European Transmission System Operators)
ETSO, European Transmission System Operators, ensures the development of the EU Internal Electricity Market while maintaining the security of supply

 UCTE - (Union pour la Coordination du Transport de l' Électricité)
The "Union for the Co-ordination of Transmission of Electricity" (UCTE) is the association of transmission system operators in continental Europe, providing a reliable market base by efficient and secure electric "power highways"

 Nordel - (Nordic Electricity System)
Nordel is a body for co-operation between the transmission system operators (TSOs) in the Nordic countries (Denmark, Finland, Iceland, Norway and Sweden), whose primary objective is to create the conditions for, and to develop further, an efficient and harmonised Nordic electricity market

 ebIX
European forum for energy Business Information eXchange

 EURELECTRIC
Union of the Electricity Industry

 CIGRE
(International Conference on Large High Voltage Electric Systems)

 CIRED
(International Electricity Conference & Exhibition - The leading Forum where the Electricity Distribution Community meets every two years)