Invinity Energy Systems
AIM: IES53Mixed / Improving· ProvisionalGlobal manufacturer of vanadium flow batteries (ENDURIUM and VS3 product lines) for commercial and utility-scale stationary energy storage, with operations across the UK, US, Canada, China, and Australia.
Why it's on ClimateTicker
Invinity's vanadium flow batteries are a genuinely climate-positive technology, enabling long-duration storage that allows renewable energy to displace fossil-fuel generation — a direct mitigation play. However, the company is pre-profitability, small-cap, and publishes no independently verified ESG report, no SBTi-validated targets, and no CDP disclosure, meaning investors must rely almost entirely on self-reported marketing claims. The technology thesis is strong; the institutional sustainability governance is nascent to absent.
Controversy & Greenwashing Watch
Invinity has been consistently loss-making since formation, with a £10m H1 2025 net loss and material deal delays in 2024 that compressed revenues, raising going-concern-adjacent execution risk for investors despite no formal going-concern disclosure.source ↗
Despite operating in a climate-critical sector and marketing its products as enabling net-zero, Invinity has filed no CDP response and holds no SBTi commitment or validation, creating a gap between marketing and verifiable sustainability governance.source ↗
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