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Granarium Technologies

Granarium Technologies

Private
EspooEnergy & Sustainabilityhttps://www.granariumtech.com/en-FI

Last Round

Pre Seed

Jun 10, 2026

Total Funding Raised

$1.16M

Momentum

Top 10%

of companies Caplight tracks

Company Overview

Granarium Technologies is a Finnish deep-tech energy startup that develops and commercialises renewable supercapacitors made from waste wood and agricultural residues for grid stability and industrial power applications.

Sector

Energy & Sustainability

Verticals

Energy Storage, Sustainable Materials, Advanced Materials, Smart Grid, Circular Economy

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting

AI Layer

Non-AI

Keywords

renewable supercapacitorsenergy storagenanocellulose supercapacitorsfast-response energy storagegrid stabilityindustrial power qualitycritical mineral alternativeslithium-free energy storagewaste upcyclinggrid balancingfrequency responseadvanced materialscircular economysustainable materialssmart gridbiocarbondeep tech

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Granarium Technologies Comparables

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Granarium Technologies Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Pre SeedJun 10, 2026
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Granarium Technologies Investors

Notable investors and investment history

Granarium Technologies investors
InvestorRounds
Beamline AcceleratorPre Seed
Finnish Business Angels NetworkPre Seed
Latvian Business Angels NetworkPre Seed
Estonian Business Angels NetworkPre Seed
BSV VenturesPre Seed
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Market signals

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  • Jun 10, 2026

    $1.1M round led by BSV Ventures and Beamline Accelerator.

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Granarium Technologies Filings

SEC and related filings with document metadata.

Data table
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Granarium Technologies Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersEspoo
Employee Range2
Year Founded2026
Last FundingJun 10, 2026

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