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Transmission constraints forecast: RTE is completing the maps for the electricity transmission system residual constraints forecast with the results of the studies for the regions that were missing and an update of the first studies published in 2020 and 2021.

Information on the residual constraints forecast is made available throughout France with the publication of the studies on the remaining regions and the updating of the first regions published in 2020 and 2021

Within the context of the energy transition, RTE is continuing its approach of publishing public transmission system constraints, which provides a 3-5 year forecast of residual constraints identified on the grid for the various regions of metropolitan France, excluding Corsica.

After the residual constraints studies for the Hauts-de-France regions were launched in 2020, Nouvelle Aquitaine in 2021, Auvergne-Rhone-Alpes, Bourgogne-Franche-Comté and Grand Est in 2022, RTE has published new forecasts for the remaining regions (Brittany, Centre-Val de Loire, Ile-de-France, Normandy, Occitanie, Pays de la Loire and Provences-Alpes-Cote d’Azur).

This publication includes by an update of the results for the Hauts-de-France and Nouvelle Aquitaine regions, for which the first studies were released in 2020 and 2021 respectively. 

The information relating to forecast residual constraints have been made available for the whole of France since 22 November 2022 on the 
residual constraints studies publication site.

Data for a better understanding of the need for flexibility on the transmission system

The results of the studies reflect the prospective need for flexibility - modulation of generation, consumption, storage or other on the system, depending on the seasons and projections of renewable energy generation facilities installed locally.

The provision of these data by RTE will allow market participants to better analyse their interest in contributing to the management of grid constraints through their flexibility services. 

Learn more on about the approach


November 23, 2022