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Quaise Energy, Inc.

Other EnergyGeothermalClean EnergyDrilling Tech
๐Ÿ“ Houston, TXโ€ข Founded 2018
StreetZero Signal 62
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About Quaise Energy, Inc.

Quaise Energy, Inc. is a technology company developing millimeter-wave drilling systems to access superhot geothermal energy at depths up to 20 km. It spun out of the MIT Plasma Science and Fusion Center in 2018 and targets conversion of existing fossil fuel power plants to clean baseload power using gyrotron technology to vaporize rock. The company is advancing field operations, supply chain scaling, and Project Obsidian, its first superhot geothermal power plant in Central Oregon.

LATEST FUNDINGPrivate Placement
$179.3M
Announced 2026-09-03
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Key highlights

  • Raised $21M Series A1 led by Prelude Ventures and Safar Partners.
  • Expanded Series A financing to $52M with TechEnergy Ventures participation.
  • Announced $180M Series B including investment from Nabors Industries.
  • Spun out of MIT Plasma Science and Fusion Center in 2018.
  • Developing technology for superhot geothermal at depths up to 20 km.

Source document & SEC filing

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