Storage site at Doppler
A battery of 100 MW and 192 MWh in Nantes, on RTE’s transmission grid, in service since 7 November 2025. Every fact below is the national register’s own, and a field not shown is one the register leaves blank.
In the national register
| Power | 100 MW |
| Energy | 192 MWh |
| Hours at full power | 1.9 |
| In service | 7 November 2025 |
| Connected | 12 August 2025 |
| Commune | Nantes, Loire-Atlantique, Pays de la Loire |
| Network | RTE, 63 kV |
| Substation it connects through | DOPPL |
| Placed on the map | near RTE’s Blottereau, 63 kV substation in Nantes, whose position RTE publishes only approximately |
| EIC code | 17W000002315528O |
| Name as filed | DOPPLS01-STOCKAGE N0 01 DE DOPPLER |
What is not published
Who owns this battery, who trades its power, and what it earns: the register carries none of these, and no French body publishes a battery’s metered output or the instructions RTE gives it.
Source: Registre national des installations de production et de stockage d’électricité, register of 31 August 2026, on ODRÉ, Licence Ouverte 2.0. Substation positions from Caparéseau.