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Mantle Energy Raises $5M in Seed Funding led by 17Shoals, Inc. to scale engineering teams and finalize logistics for subsurface pilot deployments.

PRIVATEJun 16, 2026•4 days ago

Amount Raised

$5 Million

Round Type

seed

DallasEnergyOil And GasRenewable Energy

Investors

17 Shoals, Inc.

Description

Mantle Energy, a Dallas-based developer of geothermal technologies, raised $5M in seed funding. The round, led by 17Shoals, Inc., aims to scale engineering teams and secure key partnerships. The funding will support operational logistics for upcoming pilot projects. The company has spun out from Hunt Energy’s incubator.

Company Information

Company

Mantle Energy

Location

Dallas, Texas, United States

About

Mantle Energy is a Dallas, Texas-based developer of an activated geothermal and enhanced energy recovery platform. The company develops technology that repurposes depleted or low-yield oil and gas wells to generate controlled underground thermal combustion, capturing heat to deliver low-carbon baseload power directly to the electric grid. It was spun out from Hunt Energy's incubator and focuses on dual-benefit extraction and carbon emission storage protocols.

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