SMAREG3 Eisfeld
SMAREG3 Eisfeld battery storage overview.
SMAREG3 Eisfeld is an operating lithium-ion battery storage installation in Thuringia. Commissioned in December 2022, it supplies the electricity network through TEN Thüringer Energienetze.In OperationGermany
At a Glance
Technical capacity
17.4 MWEnergy storage
13.9 MWhStorage duration
1.2 hoursStorage type
UnknownOwners
BCP Battery Holding S.à r.l. +1 moreOperator
Data coming soonCountry
GermanyLocation
50.438°, 10.907°Website
Official project pageOwnership
2 records| Share | Organisation | Role | Details | Period |
|---|---|---|---|---|
| Unknown | Investor | Swiss Life Asset Managers announced BCP Battery Holding's acquisition of the Eisfeld and Hildburghausen battery projects. | Current / not dated | |
| Unknown | Operator | SMAREG3 GmbH & Co. KG is registered as the operator of the Eisfeld battery storage installation. | Current / not dated |
Organisations
8 recordsOrganisations recorded as working on this asset or its project, and their role.
| Organisation | Role | Details |
|---|---|---|
| Battery platform investment managerFinance Insurance Legal | B Capital Partners established the BCP Battery Holding investment platform. A later Swiss Life Asset Managers announcement identifies that platform as the acquirer of the Eisfeld battery project. | |
| Battery investment holding companyFinance Insurance Legal | A Swiss Life Asset Managers announcement identifies BCP Battery Holding as the acquirer of the Eisfeld battery project. | |
| Battery system developerHistorical Development Context | ju:niz Energy's September 2023 presentation lists SMAREG 3 Eisfeld among its German battery storage projects. The business was previously known as Smart Power. | |
| Building-law authorityRegulatory Permitting | The Marktstammdatenregister names Landratsamt Hildburghausen for the building-law exemption procedure associated with SMAREG3 Eisfeld. | |
SMAREG 3 GmbH & Co. KG | Operator | Not set |
| Registered battery operatorOperations Maintenance | SMAREG3 GmbH & Co. KG is the registered operator of the Eisfeld battery installation. | |
| Battery platform investment managerFinance Insurance Legal | Funds managed by Swiss Life Asset Managers invested in the BCP Battery Holding platform, which announced the acquisition of the Eisfeld battery project. | |
| Distribution network operatorGrid Connection | TEN Thüringer Energienetze is the distribution network operator recorded for the Eisfeld battery installation. |
Supplier registration
Contact page onlyHow suppliers get onto this project's radar: its standing register, supplier portal or contact route.
Supplier enquiries can be made through the investment manager's general corporate contact page. This is a portfolio-wide contact route.
General corporate contact for B Capital Partners' investment activities; a portfolio-wide enquiry route rather than a project-specific supplier register.
SourceChecked 28 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 | 17.4 MW | Bundesnetzagentur — assigned inverter capacity, SEE983340579781 |