Transmission network evolution

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Total length of new and renewed power lines

Last update: 04 April 2023 at 10:04
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      This graph shows the number of renewed and new power lines, by sub-sector: overhead and underground, and with the different voltages: (400KV-225KV) and (90KV-63KV).

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      Length of electricity overhead and underground lines

      Last update: 27 January 2023 at 11:01
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          Informations and sources

          France’s electricity transmission system, operated by RTE, includes high-voltage lines operating at voltages of between 63 kV and 400 kV. It is the largest transmission grid in Europe. This grid is constantly evolving, with: 

          • The creation of new overhead and underground lines;
          • The renewal of lines (replacement of conductors);
          • The undergrounding of overhead lines;
          • The decommissioning of lines.

          The chart shows the evolution of the total length of the overhead and underground lines.