NWJ MET4
A battery of 1 MW and 2.43 MWh in L'Isle-en-Rigault, on Enedis’s distribution grid, in service since 13 August 2026. 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 MW |
| Energy | 2.43 MWh |
| Hours at full power | 2.4 |
| Charging power | 1 MW |
| In service | 13 August 2026 |
| Commune | L'Isle-en-Rigault, Meuse, Grand Est |
| Network | Enedis, HTA |
| Substation it connects through | Saudrupt (SAUDR) |
| Placed on the map | at the distribution substation it connects through (Saudrupt), from Caparéseau |
| EIC code | 17W000002514913C |
The company
This battery is filed under the name of a company, NWJ MET4 (SIREN 911461002), registered 15 March 2022 with its seat in Paris. The company register lists its officers as:
- BROWN ET ASSOCIES, Commissaire aux comptes titulaire (SIREN 332480664)
- COMPAGNIE EUROPEENNE D'EXPERTISE COMPTABLE ET D'AUDIT, Commissaire aux comptes suppléant (SIREN 712054295)
- NW JOULES, Président de SAS (SIREN 837871409)
The company register as read by recherche-entreprises.api.gouv.fr on 20 October 2026, Licence Ouverte. Officers are not owners: a company’s president is usually its parent company, but the register of shareholders is not public.
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.