EStor-Lux I
Operating, 10 MW · 20 MWh, in Bastogne, owned by EStor-Lux consortium (SRIW, Ackermans & van Haaren, BEWATT, SOCOFE, SOFILUX). Every fact below is as a published source states it, with the address beside it; a field not shown is one no source gave, and nothing is guessed.
The battery
| Power | 10 MW |
| Capacity | 20 MWh |
| Duration | 2.0 hours |
| Status | Operating, as of 19 October 2026 |
| Owner’s date | December 2021, actual, in the frequency reserve market |
| Municipality | Bastogne, Luxembourg province |
| Grid connection | Elia |
| Placed on the map | at the centre of Bastogne, its municipality (GeoNames) |
Who is behind it
| Owner | EStor-Lux consortium (SRIW, Ackermans & van Haaren, BEWATT, SOCOFE, SOFILUX) |
| Traded by | Centrica Business Solutions |
| Built by | Fluence |
Not published anywhere we have found: ultimate owner, developer. The page says so rather than guessing.
In Elia’s list
Elia schedules this battery under the name below. Elia usually starts scheduling a battery when it begins testing, so the first day here is when it reached the grid, not when it began commercial operation.
| Elia’s name | First listed | Last listed | Power, as Elia lists it |
|---|---|---|---|
| Estor-Lux _ Storage | 23 October 2024 | still listed | 12 MW from 23 October 2024 |
Elia Transmission Belgium, open data dataset ods179, Elia Open Data Licence.
What the sources say
Elia lists 11.5 MW. Developed by BSTOR; the investors named at the inauguration in April 2022 are those above, with CFE and IDELUX also involved. In the Belgian province of Luxembourg, not the Grand Duchy.
Evidence and sources
- owner: centrica.com/media-centre/news/2020/belgium-s-biggest-batter…
- size: energy-storage.news/largest-bess-in-belgium-officially-inaugurated-…
From the owners’, developers’ and builders’ own releases and the trade press, read by Vitreous, joined to Elia’s list by name. This page carries no money: no Belgian body publishes what a named battery earns. List id BE-B05.