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Why create an account?
After creating an account you will :
- have access to the “favourites” feature,
- be able to download certain data published by RTE,
- have access to forms (PKI certificate, EIC code, Customer questionnaire - KYC),
- have access to notifications.
If you are an RTE customer, feel free to contact your administrator so that he or she can give you access to your company’s services.
+ Obtain detailed data on renewable energy reception capacities.
Grid connection for Renewable Energy generation projects
In accordance with current regulations, renewable energy projects fall within the scope of Regional Schemes for Renewable Energy Grid Connection (S3REnR). These schemes aim to plan the investments required for public electricity transmission and distribution grids to facilitate the connection of renewable energy sources. RTE, the public transmission system operator, develops the scheme at the regional level in collaboration with public distribution system operators and in agreement with the Prefectures.
The Caparéseau website allows you to track planned and available capacities within the framework of this planning process. ( Caparéseau Website)
In response to the emergence of locally saturated zones, the S3RENRs are being revised to rapidly define new grid development plans. This work—led by RTE in coordination with Enedis, other distribution system operators, and government authorities—will pave the way for the investments needed to unlock new grid connection capacity and support the continued development of renewable energy projects.
Grid connection for MV/LV generation projects
Additionally, to assist you with your procedures and provide greater visibility regarding MV/LV (Medium Voltage/Low Voltage) connections, Enedis—in conjunction with RTE—provides the map below showing zones1 that are saturated from the perspective of the electricity grid.
Enedis and RTE are working to more precisely characterize non-saturated zones in terms of available capacity.
This map considers generation projects for which a connection request has already been submitted, as well as planned works, particularly those within the S3REnR framework. It will be updated as this data changes.
It applies exclusively to MV/LV generation project connections and does not cover storage or consumption connection projects.
1Zone: the service area of a primary substation (HV/MV)—i.e., the territory supplied by that substation—defined by the set of MV/LV substations connected to it.

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How should the map colors be interpreted?
Zones are characterized based on technical constraints identified on the public electricity transmission and/or distribution grids:
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White zone: Zone not operated by Enedis.
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Saturated zone: No capacity available for at least 5 years2.
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Unsaturated or partially saturated zone: Available capacity on the public distribution network must be verified using the "Capacity Mapping" tool, subject to confirmation regarding the public transmission network.
2Assuming all generation projects that have reserved capacity actually proceed within the announced timeframes.
Distribution
It has no contractual value and does not constitute a commitment on the part of Enedis or RTE. It is provided for informational purposes and does not prejudge the outcome of the studies required for each connection request.
Enedis, in conjunction with RTE, makes every effort to provide users with available and verified information and/or tools but cannot be held liable for errors, omissions, or the unavailability of information and services.
The boundaries between zones operated by Enedis and those not operated by Enedis (unshaded areas managed by Local Distribution Companies) may be subject to approximation.
Enedis and the Local Distribution Companies are working together to define these unshaded areas.
Additional info (in French)
- Overview of renewable energy
- The S3REnR (regional schemes for grid connection of renewable energies): strategic tools
- Video S3EnR in pictures
- Publication site for residual constraints (Site unavailable) RTE has changed access to GPS data for public transport network infrastructure for public safety reasons. RTE is working on alternative solutions. Information for stakeholders will be published as soon as possible.
Contact
For further information please contact rte-fcent-dp-raccordement@rte-france.com