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Company · FI
Deep-tech energy startup developing supercapacitors from renewable materials.
Updated 12 Sep 2026 · Reviewed 12 Sep 2026
1 round · 2026
30 Jul 2026
Seed
€1.0M
Cumulative €1.0M
Amounts in EUR, converted at the ECB rate on the event date. Funding totals exclude debt, grants and state aid; rounds whose instrument is not yet established are still counted. Every figure links to its source.
1 event
“VTT:n spin-off yritys Granarium Technologies on kehittänyt tehovaraston eli superkondensaattorin 100 % uusiutuvista materiaaleista. Energia-alan syväteknologia-startup Granarium Technologies on…”
3 people
CTO
CEO and co-founder
Vesa Kunnari
COO
6 answers
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