Quaise Energy Closes $180 Million Series B with $35 Million Investment from Nabors Industries and Strategic Framework to Build World’s First Superhot Geothermal Power Plant
Quaise Energy closed a $180 million Series B funding round, including a $35 million investment from Nabors Industries (NBR). The funds will support Project Obsidian, the world's first superhot geothermal power plant, and the development of Quaise's millimeter wave drilling system. Nabors and Quaise also entered a strategic framework agreement for drilling operations and technology integration. Total funding for Quaise now stands at $280 million.
How this was made
The 30-second read
Why it matters
The capital raise provides Quaise with the resources to advance its unique drilling technology and could position it as a pioneer in large‑scale clean‑energy generation, potentially influencing the broader energy‑transition narrative.
Market read
While Quaise is private, the sizable Series B underscores investor confidence in geothermal innovation and may affect sentiment toward energy‑tech and drilling service stocks.
What to watch
Regulatory approvals, long‑term financing needs, and the high capital intensity of geothermal projects could delay profitability.
Background
Quaise Energy announced the final close of a $180 million Series B round, including a $35 million strategic investment from Nabors Industries (NBR). The funding will support Project Obsidian, the world’s first superhot geothermal power plant, and further development of its millimeter‑wave drilling system.
Market effects
Highlights growing interest in superhot geothermal technology, may boost related drilling and clean‑energy sectors.
U.S. energy services firms could see increased demand for advanced drilling rigs.
Signals potential shift toward deep‑heat power generation worldwide.
Counterpoint
The technology remains unproven at commercial scale; investors may be over‑optimistic about near‑term returns.
Key entities
- CompanyQuaise Energy
Private developer of superhot geothermal power projects.
- CompanyNabors Industries
Public drilling contractor (NYSE: NBR) investing $35 M and entering a strategic framework with Quaise.
