NWJ MET 1
A battery of 1.25 MW and 0.78 MWh in Guerville, on Enedis’s distribution grid, in service since 20 February 2023. 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 | 1.25 MW |
| Energy | 0.78 MWh |
| Hours at full power | 0.6 |
| Charging power | 1.25 MW |
| In service | 20 February 2023 |
| Commune | Guerville, Yvelines, Île-de-France |
| Network | Enedis, HTA |
| Substation it connects through | Boinville En Mantois (B.MAN) |
| Placed on the map | at the distribution substation it connects through (Boinville En Mantois), from Caparéseau |
| EIC code | 17W000001496118S |
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.