# Hambach large-scale battery storage facility.

Publisher: CapexCue
Canonical dossier: <https://capexcue.com/projects/hambach-large-scale-battery-storage-facility-d44e9d33-ea1/>
Dossier reference: release 1 (1b1b9c77-2677-4662-a297-3a1ab82c527e)

Released project intelligence

Oldest supporting observation: 2026-10-15T11:24:14.344417+00:00
Dossier released: 2026-10-16T11:36:19.663441+00:00
Source report dates and capture dates are listed per fact below; neither establishes an event date.

## Project summary

RWE’s release dated 28 July 2026 describes construction of the Hambach large-scale battery storage facility near Niederzier, at the Hambach opencast mine. The planned installation comprises 128 lithium-ion battery containers, with 236 MW capacity and 470 MWh storage capacity. Preparatory work began at the end of 2025, the first containers had been delivered by the release date, and commissioning is planned for 2027.

## Evidence limits and unknowns

- The 28 July 2026 release does not state procurement status, a project budget or financing details.

Current purchasing availability: unknown.
Source-dated plans do not establish current progress or available supplier packages.

## Project metadata

Country: Germany
Region: Europe
Physical assets: Battery Storage
Derived from the exact released evidence; unresolved fields remain unclassified.

## Project category

Energy
Derived from the reviewed scope statement; delivery stage remains unclassified.
Planned configuration: 128 lithium-ion battery containers, 236 MW capacity and 470 MWh storage capacity. RWE says the facility will balance electricity-grid fluctuations in a fraction of a second.
Source: www.rwe.com — https://www.rwe.com/en/press/rwe-generation/2026-07-28-rwe-to-build-large-scale-storage-at-hambach-mine/ | published unknown | observed 2026-10-15T11:24:14.344417+00:00

Project overview
Oldest decisive evidence: 2026-10-15T11:24:14.344417+00:00
Newest evidence: 2026-10-15T11:24:14.344417+00:00
Knowledge reviewed: 2026-10-15T11:25:42.396677+00:00
Publication reviewed: 2026-10-16T11:36:18.937878+00:00

## Name
Hambach large-scale battery storage facility.
Status: reported
Attribution: www.rwe.com
Source: www.rwe.com — https://www.rwe.com/en/press/rwe-generation/2026-07-28-rwe-to-build-large-scale-storage-at-hambach-mine/ | published unknown | observed 2026-10-15T11:24:14.344417+00:00

## Scope
Planned configuration: 128 lithium-ion battery containers, 236 MW capacity and 470 MWh storage capacity. RWE says the facility will balance electricity-grid fluctuations in a fraction of a second.
Status: planned
Attribution: www.rwe.com
Source: www.rwe.com — https://www.rwe.com/en/press/rwe-generation/2026-07-28-rwe-to-build-large-scale-storage-at-hambach-mine/ | published unknown | observed 2026-10-15T11:24:14.344417+00:00

## Activity
Preparatory work on the site began at the end of 2025; RWE described construction as underway in its release dated 28 July 2026.
Status: reported
Attribution: www.rwe.com
Source: www.rwe.com — https://www.rwe.com/en/press/rwe-generation/2026-07-28-rwe-to-build-large-scale-storage-at-hambach-mine/ | published unknown | observed 2026-10-15T11:24:14.344417+00:00

## Delivery
The first of the planned 128 battery containers had been delivered by the 28 July 2026 release.
Status: actual
Attribution: www.rwe.com
Source: www.rwe.com — https://www.rwe.com/en/press/rwe-generation/2026-07-28-rwe-to-build-large-scale-storage-at-hambach-mine/ | published unknown | observed 2026-10-15T11:24:14.344417+00:00

## Location
At the Hambach opencast mine, near Niederzier in the district of Düren; the construction site covers three hectares.
Status: reported
Attribution: www.rwe.com
Source: www.rwe.com — https://www.rwe.com/en/press/rwe-generation/2026-07-28-rwe-to-build-large-scale-storage-at-hambach-mine/ | published unknown | observed 2026-10-15T11:24:14.344417+00:00

## Developer
RWE is constructing the facility.
Status: reported
Attribution: www.rwe.com
Source: www.rwe.com — https://www.rwe.com/en/press/rwe-generation/2026-07-28-rwe-to-build-large-scale-storage-at-hambach-mine/ | published unknown | observed 2026-10-15T11:24:14.344417+00:00

## Next Milestone
Commissioning / coming on stream is planned for 2027.
Status: planned
Attribution: www.rwe.com
Source: www.rwe.com — https://www.rwe.com/en/press/rwe-generation/2026-07-28-rwe-to-build-large-scale-storage-at-hambach-mine/ | published unknown | observed 2026-10-15T11:24:14.344417+00:00


## Cite this dossier

CapexCue — Hambach large-scale battery storage facility. — dossier released 2026-10-16T11:36:19.663441+00:00, release 1 (1b1b9c77-2677-4662-a297-3a1ab82c527e) — https://capexcue.com/projects/hambach-large-scale-battery-storage-facility-d44e9d33-ea1/.

For current information and later dossier updates, visit <https://capexcue.com/projects/hambach-large-scale-battery-storage-facility-d44e9d33-ea1/>.
This file records the release identified above; the current dossier may change.