Philippsburg Energy Park battery storage

Philippsburg Energy Park battery storage battery storage overview.

Philippsburg Energy Park battery storage is being developed by EnBW at the former nuclear power station site in Baden-Württemberg. The project begins with a pilot installation to test two battery systems, followed by a larger expansion. Full operation is targeted for the end of 2027, with the battery designed to store renewable electricity and supply flexibility to the power system.In ConstructionGermany

At a Glance

Declared capacity

400 MW

Energy storage

800 MWh

Storage duration

2 hours

Storage type

Standalone

Owner

EnBW

Operator

Data coming soon

Country

Germany

Location

49.253°, 8.440°

Website

Official project page

Ownership

1 record

Share	Organisation	Role	Details	Period
Unknown		Developer	EnBW is developing the Philippsburg battery storage project.	Current / not dated

Organisations

2 records

Organisations recorded as working on this asset or its project, and their role.

Organisation	Role	Details
	Battery project developerDevelopment	EnBW is developing and constructing the battery installation at Philippsburg Energy Park.
	Developer	Not set

Supplier registration

Developer supplier portal

How suppliers get onto this project's radar: its standing register, supplier portal or contact route.

Suppliers can register and complete prequalification through the developer's procurement portal. The portal supports company profiles and subsequent procurement invitations.

EnBW's portfolio-wide procurement portal; registration is not specific to the Philippsburg battery.

Supply chain pageOperator portal

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
25 Jun 2026	Declared capacity	400 MW	EnBW — Philippsburg battery power
Current	Declared capacity	400 MW	EnBW, Philippsburg battery project

Wind [m/s]

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