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Mantle Energy

Mantle Energy

Private
Dallas, TexasEnergy & Sustainabilityhttps://www.mantle.energy/

Last Round

Seed

Jun 16, 2026

Total Funding Raised

$5M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

Mantle Energy is a geothermal energy company that repurposes depleted oil and gas wells to generate clean power.

Sector

Energy & Sustainability

Verticals

Renewable Energy, Circular Economy, Energy Management

Business Model

B2B

Customer Profile

Government Contracts, Services & Consulting

AI Layer

Non-AI

Keywords

activated geothermalgeothermal power generationenhanced oil recoveryEORwell repurposingbaseload powernext-gen geothermaladvanced geothermal systemsgeothermal energyunderground thermal combustionoilfield-to-powerin-situ heat generationgeothermal EORpower purchase agreementPPAlow-carbon energy

Historical Pricing

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Caplight Momentum Score

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Mantle Energy Comparables

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

Mantle Energy comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Renewell Energy
81%
Gradient Geothermal Inc.
79%
GreenFire Energy Inc.
77%

Mantle Energy Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedJun 16, 2026

Mantle Energy Investors

Notable investors and investment history

Mantle Energy investors
InvestorRounds
17Shoals Inc.Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jun 16, 2026

    $5M round completed.

Mantle Energy Filings

SEC and related filings with document metadata.

Data table
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Mantle Energy Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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

Firmographic Details

HeadquartersDallas, Texas
Year Founded2026
Last FundingJun 16, 2026

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