Q
Quaise
Unlocking supercritical geothermal energy everywhere
About Quaise
Quaise Energy is a company developing a novel approach to geothermal energy production. The company's core technology revolves around a millimeter-wave drilling system, which is a departure from traditional drilling methods. This system, adapted from fusion research, is designed to drill up to 20 kilometers into the Earth's crust, reaching temperatures of over 400°C to access what is known as "supercritical" geothermal energy.
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The business model appears to be centered on retrofitting existing power plants, such as coal and gas facilities, to use this deep geothermal resource. This strategy could potentially reduce the cost and time of transitioning to a clean energy infrastructure by leveraging existing assets and workforce. The company's target market includes energy producers and utility companies that are looking to decarbonize their operations.
By drilling to these depths, Quaise aims to unlock a consistent and powerful source of clean energy that is not dependent on weather conditions, unlike solar and wind power. The technology is also designed to avoid the need for hydraulic fracturing, or "fracking," which has been a source of environmental concern in other geothermal projects. The company has conducted field demonstrations of its drilling technology, marking progress toward its goal of making deep geothermal energy a viable and scalable energy source.
At a glance
- Status
- Operational
- Founded
- 2018
- Headquarters
- Cambridge, United States
- Employees
- 72
- Open positions
- 9
- Dealroom signal
- 88.1/100
- Sub-industry
- Clean Energy
- Sector
- Energy, Geothermal Energy, Spinout, Sustainable Development Goals, Climate Tech, Renewable Energy, NIF defense security and resilience, NIF Energy Security and Climate Change, DT and LS, science-based
- Technology
- Hardware, Deep Tech
- Business model
- Manufacturing
- Client focus
- b2b
Latest news
Press, funding announcements and product moves mentioning Quaise.
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| EARLY VCOther financing | Jun 2026 | $0 | — | Idemitsu Kosan | ↗ |
| SERIES AOther financing | Mar 2024 | $21M | $200M | Standard Investments · Mitsubishi · Prelude Ventures · Safar Partners | ↗ |
Growth signals
Latest recorded traffic for Quaise is 110K monthly website visits, up 746.2% over the last three months. Quaise's team grew 5.9% over the past year.
Open positions
Similar companies
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Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed3 investors entered at this stage
The Engine
Collaborative Fund
Vinod Khosla
Series A9 investors entered at this stage
Nabors Industries
Safar Partners
Prelude Ventures
TechEnergy Ventures
Hostplus
Xplorer Capital
Standard Investments
Mitsubishi
Idemitsu Kosan
Other known investors1 additional known investor
Massachusetts Institute of Technology
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about Quaise on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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