Electric power and water public utility company of Morocco. The electricity branch of ONEE is in charge of transport and distribution of electricity.

As a Transmission System Operator, Red Eléctrica is manager of the transmission grid and the operation of the Spanish power system.

As an Iberian Energy Solutions Operator in the areas of Generation, Supply and Distribution of Electricity and Gas, EDP Group is also the World's fourth largest player in wind energy.

Leader in the French electricity market with the premier generation fleet and customer portfolio in Europe, EDF group operates in strategically targeted areas in the rest of the world.

IBERDROLA is Spain’s number one energy group, one of the five largest electricity companies in the world and a world leader in wind power.

E.ON is one of the world's largest investor-owned power and gas companies.

As Germany's N°1 power producer, RWE is among Europe’s five leading electricity and gas companies, active active in the generation, trading, transmission and supply of electricity and gas.

Med-TSO is the Association of the Mediterranean Transmission System Operators (TSOs) for electricity, operating the High Voltage Transmission Networks of 19 Mediterranean Countries.

MEDREG gathers 24 Energy Regulators to promote transparent, stable and harmonized regulatory framework in the Mediterranean Region.

The European Network of Transmission System Operators for Electricity speaks for all electric TSOs in the EU and others connected to their networks, with one voice for all regions, and for all their technical and market issues.

Founded in 1921, CIGRE is the professional organization focused on high voltage infrastructures and all aspects of electric power generation, transmission and distribution.

EURELECTRIC is the sector association which represents the common interests of the electricity industry at pan-European level, plus its affiliates and associates on several other continents.