In a significant move for renewable energy integration, Invinity Energy Systems has been selected to develop a large-scale vanadium flow battery system with an initial capacity of 1.5 GWh for a new AI-focused datacentre in Laufenburg, Switzerland. Commissioned by FlexBase Group, the project has the potential for expansion to 2.1 GWh, positioning it among the largest flow battery initiatives globally.
The battery system will support the integration of renewable energy at the site, which is part of a broader technology campus development. This installation will provide energy storage and assist in grid balancing and stabilization services—essential as digital infrastructure demands increase.
Construction on the FlexBase project is already underway, having begun in 2025. The current phase focuses on engineering and design, expected to last through 2026 and 2027. During this time, Invinity will generate engineering-related revenues tied to milestone completions. Following the design stage, a larger order for the necessary equipment is anticipated, further solidifying Invinity’s position in the long-duration energy storage sector.
Invinity has a track record of delivering large-scale vanadium flow battery systems, including the largest installation in the UK. This project underscores the rising demand for safe and modular long-life storage technologies that effectively support energy-intensive operations and renewable energy frameworks. However, Invinity faces ongoing financial challenges, including significant losses and negative cash flow.
Management has acknowledged that the successful execution of their commercial projects and improving financial health will be critical for their long-term success. Recent strategic advancements and project wins have created some positive momentum, which they aim to build upon as they face these challenges.
Invinity Energy Systems specializes in utility-scale vanadium flow batteries, with manufacturing bases in both the UK and Canada. Their offerings cater to grid-scale applications and renewable energy projects, where safety, durability, and lifecycle efficiency are essential. As demand for energy storage solutions continues to rise, Invinity's developments in Switzerland may indicate future trends in the energy storage market.
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