NUKAspeicher
NUKAspeicher battery storage overview.
NUKAspeicher is a battery unit at AÜW’s Au energy-storage site in Waltenhofen. The project was developed for battery-technology trials and electricity-market operation.In OperationGermany
At a Glance
Technical capacity
1.8 MWEnergy storage
3.5 MWhStorage duration
2.1 hoursStorage type
UnknownOwner
Allgäuer Überlandwerk GmbHOperator
Data coming soonCountry
GermanyLocation
47.684°, 10.319°Website
Official project pageOwnership
1 record| Share | Organisation | Role | Details | Period |
|---|---|---|---|---|
| Unknown |  | Operator | Registered operator of the NUKAspeicher unit. | Current / not dated |
Organisations
4 recordsOrganisations recorded as working on this asset or its project, and their role.
| Organisation | Role | Details |
|---|---|---|
Allgäuer Überlandwerk GmbH | Operator | Not set |
| Distribution-network operatorGrid Connection | The unit is registered on the AllgäuNetz network. | |
| Battery-container technology in the trial designEquipment Supply | The council presentation identified BYD battery-container technology for the proposed NUKA trial. | |
| Battery-system trial partnerTechnology Demonstration And Site Application | The presentation described ECO STOR’s technical product testing and AÜW’s subsequent operational trial. |
Supplier registration
Contact page onlyHow suppliers get onto this project's radar: its standing register, supplier portal or contact route.
Supplier information is available on the operator’s procurement page. General enquiries can be made through its corporate contact channels.
General corporate contact and supplier information for AÜW’s wider business; no dedicated NUKAspeicher registration route.
SourceChecked 27 Oct 2026
Capacity history
Recorded project capacity figures. Future-dated changes are shown but are not used as current capacity.
| Effective | Capacity type | Capacity | Source |
|---|---|---|---|
| Current | Technical capacity | 1.8 MW | Bundesnetzagentur — assigned inverter power, SEE916041421592 |