Find here the data related to the evolution of the electricity transmission network: creation/renewal of overhead or underground lines, dismantling of existing lines. The evolutions are segmented by voltage level: 400 kV, 225 kV, 90 kV, 63 kV. The map of RTE's main commissionings in 2023 is also presented, as well as the real-time view of flows and the battery connection capacities.