Vitreous LabsEnergy transparency

Entech

A battery of 2.5 MW and 2.81 MWh in Quimper, on Enedis’s distribution grid, in service since 19 July 2021. Every fact below is the national register’s own, and a field not shown is one the register leaves blank.

In the national register

Power2.5 MW
Energy2.81 MWh
Hours at full power1.1
Charging power2.81 MW
In service19 July 2021
CommuneQuimper, Finistère, Bretagne
NetworkEnedis, HTA
Substation it connects throughQuimper (QUIMP)
Placed on the mapat the distribution substation it connects through (Quimper), from Caparéseau
EIC code17W000001619719L

The company

This battery is filed under the name of a company, ENTECH (SIREN 818246316), registered 3 February 2016 with its seat in Quimper. The company register lists its officers as:

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.

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