Deux-Acren Energy Storage
Operating, 50 MW · 100 MWh, in Lessines, owned by Corsica Sole. 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 | 50 MW |
| Capacity | 100 MWh |
| Duration | 2.0 hours |
| Status | Operating, as of 19 October 2026 |
| Owner’s date | December 2022, actual |
| Municipality | Lessines, Deux-Acren, Hainaut |
| Grid connection | Elia |
| Placed on the map | at the site itself, as mapped on OpenStreetMap (Deux-Acren BESS) |
Who is behind it
| Owner | Corsica Sole |
| Traded by | Yuso |
| Built by | Tesla (40 Megapacks) |
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 |
|---|---|---|---|
| Deux-Acren Energy Storage | 22 May 2024 | still listed | 50 MW from 22 May 2024 |
Elia Transmission Belgium, open data dataset ods179, Elia Open Data Licence.
What the sources say
On the site of a former power station. Residents complained of noise in 2023.
Evidence and sources
- owner: corsicasole.com/en/realisations/deux-acren-energy-storage-facil…
- status: cleantechnica.com/2022/12/12/40-tesla-megapacks-replace-70-year-o…
- position: openstreetmap.org/way/792949382
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-B02.