Transmission grid
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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New lines
Renewed lines
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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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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.