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Upstart Power

Upstart Power

Private
Southborough, MassachusettsEnergy & Sustainabilityhttps://www.upstartpower.com/

Last Round

Seed Round

Jun 23, 2026

Total Funding Raised

$58.83M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

Upstart Power is a cleantech company that designs and manufactures solid oxide fuel cell (SOFC) generators for on-demand backup power and distributed generation in residential and industrial applications.

Sector

Energy & Sustainability

Verticals

Renewable Energy, Energy Storage, Energy Management, Alternative Fuels

Business Model

B2B

Customer Profile

Hardware Sales

AI Layer

Non-AI

Keywords

solid oxide fuel cellSOFCbackup powerhome generatorclean energydistributed generationenergy resiliencebattery storage integrationoff-grid powerfuel cell applianceresidential energynatural gas generatorenergy managementhydrogen fuel cell

Historical Pricing

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Caplight Momentum Score

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Upstart Power Comparables

Compare Upstart Power with similar companies based on industry and business-model similarity.

Upstart Power comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
WATT Fuel Cell
90%
Redox Power Systems
82%
BWR Innovations
80%

Upstart Power Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Seed RoundJun 23, 2026
Series D ExtensionDec 26, 2024
Series DJul 1, 2024
Series CNov 17, 2022
Series BDec 16, 2020
Seed
Dec 18, 2019

Key People

Founding team and executive leadership

Nate Palumbo

Chief Technology Officer And Founder

Founding Team

Georg Bettenhauser

Board Member, Chief Commercial Officer

Executive Team

Upstart Power Investors

Notable investors and investment history

Upstart Power investors
InvestorRounds
WindSail Capital GroupSeries B
Cricetus Felix VenturesSeries C
H+ PartnersSeries C

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 24, 2026

    Monthly visitors grew 94% MoM.

  • Jun 23, 2026

    $4.1M raised in Seed Round.

Recent news

Latest coverage and updates

  • receives_financingJul 31, 2026

    Upstart Power, Inc. is planning to receive financing of $6M in funding.

Upstart Power Filings

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Upstart Power filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about Upstart Power's valuation, stock price, and market status.

Is Upstart Power a public or private company?

Upstart Power is a private company.

What is the current stock price of Upstart Power?

Upstart Power is a private company with no public stock price. No recent secondary market data is available.

How much is Upstart Power worth (valuation)?

Valuation information for Upstart Power is not publicly available.

Can I buy Upstart Power stock?

Upstart Power shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Upstart Power's last funding round?

Upstart Power's most recent funding round was Seed Round on June 23, 2026.

Who are the main investors in Upstart Power?

Key investors in Upstart Power include WindSail Capital Group, Cricetus Felix Ventures, H+ Partners.

Will Upstart Power IPO soon?

No public IPO plans have been announced for Upstart Power.

How can I track Upstart Power secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Upstart Power's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSouthborough, Massachusetts
Employee Range16
Year Founded2017
Last FundingJun 23, 2026

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