Equinor Ventures leads a consortium of new and old investors with a €30 million investment to support Elestor’s ultra-rapid growth strategy
“Technologies providing long-term energy storage at scale will play an important role in satisfying the growing need to stabilise power markets,” said Gareth Burns, head of Equinor Ventures.
Article and interview in Solar365 magazine: Elestor to build largest hydrogen battery ever
For the energy transition to succeed, sufficient renewable generation is required, but also the ability to store that energy for longer periods. Technologies capable of storing energy between eight and one hundred hours can play a crucial role. A broad consortium has received €22 million in funding from the Dutch National Growth Fund for the so-called SLDBatt project (Sustainable Long Duration Battery), which focuses on long-duration electricity storage.
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With € 30 million, the SLDBatt project in the context of the Growth Fund Material Independence & Circular Batteries is the largest R&D project into battery technology for long-term storage of sustainably generated electricity in the Netherlands
Minister Hermans with SLDBatt consortium representatives at IEA Energy Storage Symposium in Rotterdam (credits: Mathias de Graag / RVO)
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Elestor’s Hydrogen-Iron Flow Batteries: Powering Europe’s Resilient and Sovereign Energy Future
In its Innovation News Network article from 15 July 2025, Elestor illustrates how its hydrogen‑iron flow batteries can deliver long‑duration, modular energy storage to bolster Europe’s grid stability and strategic autonomy. The story highlights the team’s use of abundant, safe materials and regulatory-aligned design to ensure rapid deployment at scale.
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