BESS - DE - ARZBERG - GMRO
BESS - DE - ARZBERG - GMRO battery storage overview.
Arzberg GMRO is a separately registered grid-connected battery at Garmersreuth Ost in Bavaria. It forms part of the wider Arzberg and Wunsiedel storage development, providing flexible electricity storage and supply through a high-voltage network connection.In OperationGermany
At a Glance
Capacity
50.5 MWEnergy storage
99 MWhStorage duration
2 hoursStorage type
StandaloneOwner
MW Storage NOB GmbHOperator
Data coming soonCountry
GermanyLocation
50.057°, 12.143°Website
Official project pageOwnership
1 record| Share | Organisation | Role | Details | Period |
|---|---|---|---|---|
| Unknown | Operator | Registered operator of the separately identified Arzberg GMRO battery unit. | Current / not dated |
Organisations
12 recordsOrganisations recorded as working on this asset or its project, and their role.
| Organisation | Role | Details |
|---|---|---|
| Regional energy investment partnerFinance Insurance Legal | Bayernwerk AG is identified as an investment partner in the Arzberg battery development. | |
| Connection network operatorGrid Connection | Bayernwerk Netz is the unit’s registered high-voltage connection network operator. | |
| Project finance legal adviserFinance Insurance Legal | Bird & Bird advised MW Storage NOB on the project financing and recapitalisation announced in July 2026. | |
| Battery project engineering teamEngineering And Technical | BKW’s 2025 report identifies BKW Storage Solutions as providing project management and technical expertise at the Arzberg battery facility. | |
| Battery storage system supplierEquipment Supply | Fluence Energy GmbH was selected to deliver the Arzberg battery storage system, building on its existing project partnership with MW Storage. | |
| Storage project developerDevelopment | MW Storage developed the Arzberg battery project and is named as applicant in its 2023 building permit publication. | |
MW Storage NOB GmbH | Operator | Not set |
| Registered battery operatorOwner Operator | MW Storage NOB is the registered operator of Arzberg GMRO. | |
| Project finance lenderFinance Insurance Legal | Rabobank provided the non-recourse project finance facility announced for MW Storage NOB in July 2026. | |
| Infrastructure investment management sponsorFinance Insurance Legal | Reichmuth Infrastructure participated in the project through its funds and mandates and supported the July 2026 project financing. | |
| Infrastructure investment fundFinance Insurance Legal | MW Storage Fund is identified as an anchor investor backing the Arzberg project company. | |
| Municipal energy investment partnerFinance Insurance Legal | ZukunftsEnergie Nordostbayern participated as an investor in the Arzberg battery development. |
Supplier registration
Contact page onlyHow suppliers get onto this project's radar: its standing register, supplier portal or contact route.
Supplier and business enquiries can be directed through the developer’s corporate contact page. The page offers a general message form for enquiries about projects and energy storage solutions.
General corporate contact channel for project developer MW Storage AG, rather than a supplier register dedicated to the Arzberg GMRO unit.
SourceChecked 28 Oct 2026