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XGS Energy

XGS Energy

Private
Palo Alto, CaliforniaEnergy & Sustainabilityhttps://www.xgsenergy.com/

Last Round

VC Round

Mar 26, 2025

Total Funding Raised

$43.7M

Momentum

Top 10%

of companies Caplight tracks

Company Overview

XGS Energy is a geothermal energy company that develops proprietary solid-state geothermal power systems to provide scalable, water-independent, and carbon-free baseload energy.

Sector

Energy & Sustainability

Verticals

Renewable Energy, Smart Grid

Business Model

B2B

Customer Profile

Services & Consulting, Government Contracts

AI Layer

Non-AI

Keywords

geothermal energyclosed-loop geothermalbaseload powerrenewable energygeothermal drillingclean energy24/7 carbon-free energygeothermal technologyenergy infrastructureofftake agreementadvanced geothermalutility-scale energygeothermal project developmentenhanced geothermal systemsEGS

Historical Pricing

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Caplight Momentum Score

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XGS Energy Comparables

Compare XGS Energy with similar companies based on industry and business-model similarity.

XGS Energy comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
GreenFire Energy Inc.
89%
Eavor Technologies Inc.
87%
Rodatherm Energy Corporation
84%

XGS Energy Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
VC RoundMar 26, 2025
Series A ExtensionMay 21, 2024
Series A ExtensionJan 23, 2024
Series AMar 6, 2023

Key People

Founding team and executive leadership

Josh Prueher

Chief Executive Officer

Executive Team

Piotr Moncarz

Chief Executive Officer

Executive Team

Al Vickers

Chief Operating Officer

Executive Team

Ghazal Izadi

Chief Operating Officer

Executive Team

XGS Energy Investors

Notable investors and investment history

XGS Energy investors
InvestorRounds
ClearSkyVC Round
Constellation Technology VenturesSeries A Extension
B CurrentSeries A Extension
Thin Line CapitalSeries A Extension
Anzu PartnersSeries A
Valo VenturesSeries A Extension, VC Round
WovenEarth VenturesVC Round

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 22, 2026

    Monthly visitors increased 75% MoM.

  • Jun 23, 2026

    Grew 29% QoQ, from 42 to 54 employees.

Recent news

Latest coverage and updates

  • partners_withSep 28, 2026

    XGS Energy partnered with Sandia Corporation on Sep 28th '26.

  • hiresJul 30, 2026

    XGS Energy hired Chong as chief financial officer on May 1st '26.

  • hiresJul 24, 2026

    XGS Energy hired Kurt Fricker as Chief Procurement Officer on Jul 24th '26.

  • hiresJul 22, 2026

    XGS Energy hired Al Vickers as Chief Operating Officer on Jul 1st '26.

  • promotesJul 22, 2026

    XGS Energy, Inc. promoted Ghazal Izadi to Chief Growth Officer on Jul 22nd '26.

XGS Energy Filings

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XGS Energy filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about XGS Energy's valuation, stock price, and market status.

Is XGS Energy a public or private company?

XGS Energy is a private company.

What is the current stock price of XGS Energy?

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

How much is XGS Energy worth (valuation)?

Valuation information for XGS Energy is not publicly available.

Can I buy XGS Energy stock?

XGS Energy 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 XGS Energy's last funding round?

XGS Energy's most recent funding round was Debt on March 26, 2025.

Who are the main investors in XGS Energy?

Key investors in XGS Energy include Constellation Technology Ventures, Anzu Partners, Valo Ventures, VoLo Earth Ventures, BlueScopeX.

Will XGS Energy IPO soon?

No public IPO plans have been announced for XGS Energy.

How can I track XGS Energy secondary market activity?

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

Firmographic Details

HeadquartersPalo Alto, California
Employee Range27
Year Founded2008
Last FundingMar 26, 2025

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