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Transmission

The transmission network controls energy flows, ensuring the equilibrium between supply and demand. Since electricity cannot be stored, transmission plays an essential role in supplying our end-customers.
RTE (Réseau de Transport d'Electricité) "cat-type" High-voltage pylon

The network

The transmission network carries electricity from where it is generated to the distribution network and ensures interconnection with the power grids of neighboring countries. This activity is part of the regulated sector.

In France

RTE (Réseau de Transport d'Electricité, a wholly-owned subsidiary of the EDF Group), operates the electricity transmission network in France. Due to its geographical position, RTE transports electricity is at the heart of the European energy market.

RTE is responsible for:

  • Operating, maintaining and developing the public network
  • Safe and reliable operation of the system and the adjustment of generation to consumption
  • Fair and non-discriminatory access to the electricity transmission network for all users. 


With 8,843 employees, 100,000 km of HV and VHV circuits and 46 cross-border lines, the network operated by RTE is the largest in Europe. Its tariffs are established by decree, based on instructions by the French Energy Regulation Commission.


At the heart of Europe

  • Developing cross-border interconnections improves to the flow of energy between countries and the smooth running of the European system.
  • European transmission network operators create partnerships for managing interconnections and cross-border exchanges in order to improve security of supply and the overall operation of the European central network. In 2012, exchange capacity with Spain was doubled, while the conclusion of work on the IFA 2000 France-England interconnection meant it could be returned to full capacity.

Taking a closer look