Fluence Secures 1 GWh Battery Storage Deal with Vattenfall in Germany
Event summary
- Fluence wins contract for 1 GWh battery storage project in Brunsbüttel, Germany, with 254 MW output and 1,000 MWh capacity.
- Project will be built at the site of a decommissioned nuclear power plant and is Vattenfall’s largest battery project to date.
- Fluence to deliver the project on a turnkey basis, including engineering, procurement, construction, and long-term service support.
- Construction expected to begin in 2027, with commissioning planned for the end of 2028.
- Project will nearly double Vattenfall’s existing battery storage capacity.
The big picture
The Brunsbüttel project underscores the growing demand for utility-scale battery storage in Germany, driven by the expansion of wind and solar power and the need for flexible technologies to balance supply and demand. Fluence’s win highlights its leadership in scaling battery storage as critical energy infrastructure in Europe. The project is a key component of Vattenfall’s strategy to strengthen grid resilience and support the transition away from fossil fuels.
What we're watching
- Execution Risk
- Whether Fluence can deliver the project on time and within budget, given the scale and complexity of the Brunsbüttel project.
- Market Dynamics
- How the project will impact Germany’s battery storage market and Vattenfall’s flexibility strategy.
- Regulatory Headwinds
- The pace at which regulatory changes in Germany and Europe could affect the project’s operational performance and revenue streams.