Invinity Energy Systems plc (LSE:IES) has broken ground on the LoDES site in East Sussex, initiating construction of what will become Europe’s largest operational vanadium flow battery. The project combines a 20.7 MWh flow battery system with a 3 MWp solar array and is backed by a £10 million grant from the Department for Energy Security and Net Zero. Once online—expected in the second half of 2026—the asset will strengthen grid flexibility, support renewable integration, and serve as a high-visibility showcase for Invinity’s technology.
By taking ownership of the solar asset, the company aims to optimize operational control and capture a greater share of project economics, aligning with the UK’s broader clean-energy ambitions and reducing dependence on gas-fired generation. Despite this strategic progress, Invinity’s near-term outlook remains clouded by weak financial performance, declining revenue trends, and ongoing losses. Market signals and valuation metrics also point to a cautious stance as the company works to overcome operational and financial hurdles.
More about Invinity Energy Systems
Invinity Energy Systems plc manufactures large-scale vanadium flow batteries built for long-duration, high-cycle energy storage. Designed to operate continuously for more than 30 years with no capacity fade, these systems are well suited for renewable integration, grid support, and high-throughput industrial uses. Formed in 2020 through the merger of redT energy plc and Avalon Battery Corporation, the company serves multiple global energy markets, including the UK, North America, and China.
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