NEWCaplight raises a $16M Series A, led by BlackRock and Fin Capital →
Skip to main content
Caplight Logo









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 25%

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

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

Upstart Power Comps

Public and private peers based on sector, stage, and business model.

Upstart Power comps — public and private peers by sector, stage, and business model
CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

View Full Comps Set

Access detailed peer comparisons, multiples, and valuation benchmarks.

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

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.

  • Jun 23, 2026

    $4.1M raised in Seed Round.

Upstart Power Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation

Upstart Power Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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

Firmographic Details

HeadquartersSouthborough, Massachusetts
Employee Range21
Year Founded2017
Last FundingJun 23, 2026

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.