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Wattsun

Wattsun

Private
ArnhemEnergy & Sustainabilityhttps://www.wattsun.net/

Last Round

Grant

Oct 21, 2022

Total Funding Raised

$30,000

Company Overview

Wattsun is an energy storage company that develops and manufactures modular, portable battery systems for off-grid power applications.

Sector

Energy & Sustainability

Verticals

Energy Storage, Renewable Energy, Construction Tech, Computing Hardware

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting

AI Layer

Non-AI

Keywords

portable battery systemmodular batteryoff-grid powerbattery generatormobile poweremission-free powersilent generatorgreen generatorportable solar kitBMSbattery management systemconstruction powerevent powerenergy storagepower station

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Caplight Momentum Score

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Wattsun Comparables

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Wattsun comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Portable Electric
86%
VOLTAB
83%
Joule Case
81%

Wattsun Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
GrantOct 21, 2022

Wattsun Investors

Notable investors and investment history

Wattsun investors
InvestorRounds
EIT InnoEnergySeed
East Netherlands Development Agency (Oost NL)Seed, Grant

Market signals

Structured signals derived from secondary market and firmographic data.

  • Feb 18, 2026

    Grew 73% QoQ, from 11 to 19 employees.

  • Oct 24, 2023

    Grew 16% QoQ, from 19 to 22 employees.

Wattsun Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Wattsun Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersArnhem
Employee Range21
Year Founded2016
Last FundingOct 21, 2022

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