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Quaise Energy

Quaise Energy

Private
Cambridge, MassachusettsEnergy & Sustainabilityhttps://www.quaise.com/

Last Round

Series B

Aug 27, 2026

Est. Valuation

$294.48M

Total Funding Raised

$410M

Momentum

Top 1%

of companies Caplight tracks

Company Overview

Quaise Energy is a clean energy company that develops millimeter-wave drilling technology to access deep geothermal heat and repurpose existing fossil-fuel power infrastructure.

Sector

Energy & Sustainability

Verticals

Renewable Energy

Business Model

B2B

Customer Profile

Services & Consulting, Revenue Share, Government Contracts

AI Layer

Non-AI

Keywords

geothermal energymillimeter-wave drillingdeep geothermalsuperhot geothermalpower plant retrofittingbaseload powerrenewable energygyrotron drillingenergy infrastructurepower purchase agreementPPAgeothermal 2.0deep drillingclean baseloadhard rock drilling

Historical Pricing

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Caplight Momentum Score

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Quaise Energy Comparables

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

Quaise Energy comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Eavor Technologies Inc.
81%
GA Drilling
80%
Mazama Energy
79%

Quaise Energy Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BAug 27, 2026
Series BJul 7, 2026
Series AMar 12, 2024
Series A ExtensionJun 21, 2022
Series AFeb 8, 2022
Grant
Oct 5, 2021

Key People

Founding team and executive leadership

Carlos Araque

Chief Executive Officer

Executive Team

Kevin Bonebrake

Chief Financial Officer

Executive Team

Quaise Energy Investors

Notable investors and investment history

Quaise Energy investors
InvestorRounds
TechEnergy VenturesSeries A, Series A Extension
Fine Structure VenturesSeries A
The EngineSeries A, Seed
Engine VenturesSeries A, Seed
Hostplus Superannuation FundSeries A Extension, Series A
Khosla VenturesSeed
Xplorer CapitalSeries A, Series A Extension

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 27, 2026

    $180M round led by Prelude Ventures.

  • Jul 7, 2026

    $134M round led by Prelude Ventures.

Quaise Energy Filings

SEC and related filings with document metadata.

Data table
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Quaise Energy Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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

Firmographic Details

HeadquartersCambridge, Massachusetts
Employee Range72
Year Founded2018
Last FundingAug 27, 2026

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