Granarium Technologies raises EUR 1 million to commercialise the world's first renewable, affordable supercapacitors for grid stability and industrial reliability

ESPOO, Finland, June 9, 2026 /PRNewswire/ -- The VTT-originating startup Granarium Technologies is commercialising nanocellulose-based energy storage technology that upcycles waste wood and agro residues for fast-response power storage with significantly lower production costs and...

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