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Granarium Technologies raises EUR 1 million in a seed round led by BSV Ventures to commercialise renewable supercapacitors for grid stability.

PRIVATEJun 09, 2026•4 days ago

Amount Raised

€1 Million

Round Type

seed

EnergyRenewable EnergyEnergy StorageBiomass EnergyClean Energy

Investors

Lat BanEst BanFi BanBeamlineBsv Ventures

Description

Granarium Technologies has raised over EUR 1 million in a pre-seed round led by BSV Ventures, with participation from Beamline, FiBAN, EstBAN, and LatBAN. This funding will be used to industrialise their patented renewable supercapacitor technology for grid stabilisation and industrial applications. The startup originates from VTT and utilises nanocellulose-based energy storage technology. Their approach aims to address the growing demands for fast-response power storage amidst increasing grid volatility across Europe.

Company Information

Company

Granarium Technologies

About

Granarium Technologies is a deep-tech energy startup focused on commercializing nanocellulose-based energy storage technology. The company specializes in upcycling waste wood and agro residues to create renewable supercapacitors. Their technology aims to provide fast-response power storage solutions with lower production costs and reduced environmental impact compared to traditional energy storage technologies. Granarium's innovations support the transition to renewable energy and electrification by delivering scalable and sustainable power storage systems.

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