# How Fusion Tech Just Changed Geothermal Energy Forever

Source: https://www.youtube.com/watch?v=gO_LLqZfNdY
Recap page: https://rapidrecap.app/video/gO_LLqZfNdY
Generated: 2025-07-22T13:05:45.325+00:00

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## Quick Overview

Quaise Energy has advanced its millimeter wave drilling technology from lab experiments to a full-scale drilling rig operation in Houston, demonstrating the ability to vaporize hard rock and create stable boreholes without traditional drill bits or drilling mud. This fusion-derived technology aims to unlock abundant deep geothermal energy, with plans to confirm superhot resources by late 2026 and put electrons on the grid by 2028-2030, potentially offering a cost-competitive and scalable clean energy solution by leveraging existing oil and gas infrastructure.

**Key Points:**
- Quaise Energy successfully demonstrated full-scale millimeter wave drilling in Houston, vaporizing solid rock to create boreholes.
- The technology adapts gyratrons from nuclear fusion research, eliminating the need for traditional drill bits and drilling mud.
- Key innovations include an articulated waveguide for power transmission, integrated diagnostics for rock assessment, and a beam-shaping bottom-hole assembly.
- Quaise aims to confirm its first superhot geothermal resource by late 2026 and deliver electricity to the grid between 2028 and 2030.
- The company's cost estimates of $68-$115/MWh are competitive with nuclear power, and accessing superhot rock could further reduce costs by 50%.
- Quaise leverages existing oil and gas infrastructure and expertise, aiming to make deep geothermal economically attractive for widespread adoption.
- The advancements in gyratron reliability for drilling also contribute to progress in the fusion energy industry, showcasing beneficial cross-industry innovation.

![Screenshot at 0:00: Aerial view of the Quaise Energy drilling rig at a facility.](https://ss.rapidrecap.app/screens/gO_LLqZfNdY/00-00-00.png)

**Context:** Quaise Energy is a company aiming to revolutionize geothermal energy extraction by drilling deeper into the Earth than ever before. Their innovative approach utilizes technology derived from nuclear fusion research, specifically millimeter waves generated by gyratrons, to vaporize rock. This method seeks to overcome the traditional limitations and high costs associated with conventional drilling, which currently make up a significant portion of geothermal plant expenses. The video provides an update on Quaise's progress, showcasing their full-scale drilling operations in Houston, Texas, and detailing the technological advancements and commercial strategies that could make deep geothermal energy a globally viable and abundant power source.

## Detailed Analysis

Quaise Energy, a company leveraging fusion technology, has made significant strides in deep geothermal drilling. Their innovative approach uses millimeter waves generated by gyratrons to vaporize rock, eliminating the need for traditional drill bits, drilling mud, and concerns about temperature, pressure, or rock strength. This method simplifies the drilling process, which typically accounts for 30-57% of a geothermal plant's cost. The technology, adapted from nuclear fusion research where plasma reaches extreme temperatures (150 million °C), allows for deeper drilling into the Earth's crust, where temperatures increase by approximately 25°C per kilometer. Key innovations include an articulated waveguide that moves while transmitting power, integrated diagnostics like radar and pyrometers for assessing rock depth and temperature, and a special bottom-hole assembly that shapes the beam to create a perfectly circular, vitrified (glassy-lined) borehole. This vitrification seals wall cracks and balances internal pressure, leading to more stable wells. Waste is evacuated using air and filtered through water for reuse. While granite, due to its quartz content, requires more energy to vaporize, basalt allows for faster drilling. Quaise is transitioning from a drilling technology developer to an energy company, securing funding (including a recent $21 million raise) and power purchase agreements. They aim to confirm their first superhot geothermal resource by late 2026 and deliver electricity to the grid between 2028 and 2030. Their cost estimates of $68-$115/MWh are competitive with nuclear power, though currently higher than wind and solar. However, deep geothermal projects can achieve a high capacity factor (90-95%) compared to renewables (5-10%), and accessing superhot rock (above 375°C) could reduce the levelized cost of electricity by 50%, making it potentially cheaper than even wind or solar. Quaise emphasizes leveraging existing oil and gas infrastructure and expertise, making the transition more feasible. The company's progress in adapting delicate gyratrons for harsh drilling environments also contributes to advancements in the fusion industry, highlighting a beneficial cross-pollination of technologies.

### The Geothermal Challenge

- Geothermal energy, a vast and reliable resource, is largely untapped due to the high cost and technical limitations of drilling deep enough to reach sufficient heat, especially outside of tectonic plate boundaries.
- Traditional drilling methods are expensive, accounting for 30-57% of a geothermal plant's cost, and struggle with extreme temperatures and pressures.

### Millimeter Wave Drilling Technology

- Quaise Energy utilizes gyratrons, a technology from nuclear fusion research, to generate high-power millimeter waves capable of vaporizing rock.
- This method simplifies drilling by eliminating drill bits, temperature constraints, pressure concerns, and rock strength issues.
- The process creates a vitrified (glassy) lining in the borehole, which seals cracks and stabilizes the well.

### Technological Innovations

- Quaise developed an articulated waveguide that can move up and down while transmitting power, a crucial advancement for deep drilling.
- Integrated diagnostics, including radar and pyrometers, provide real-time data on rock depth and temperature.
- A specialized bottom-hole assembly shapes the millimeter wave beam to create uniform, circular holes, and air is used to evacuate vaporized rock particles.

### Business Strategy and Milestones

- Quaise is shifting from a drilling technology company to an energy company, focusing on delivering clean, firm, baseload energy to the grid.
- They secured $21 million in recent funding and plan a Series B round of $200 million in 2025 to fund their first commercial project.
- The company aims to confirm its first superhot geothermal resource by late 2026 and begin putting electrons on the grid between 2028 and 2030, with Oregon as a likely initial site.

### Economic Viability

- Quaise estimates their technology can achieve electricity costs between $68-$115/MWh, making it potentially competitive with nuclear power.
- While higher than current wind and solar costs, geothermal offers a significantly higher capacity factor (90-95% vs. 5-10%).
- Accessing 'superhot rock' (above 375°C) could reduce the levelized cost of electricity by 50%, making it competitive with or even cheaper than wind and solar.

### Real-World Challenges and Progress

- Challenges include managing groundwater seepage into boreholes, which would require immense energy to boil away, and adapting power requirements for remote drilling sites.
- Despite these, Quaise has progressed from melting small lab samples to operating a full-scale drilling rig and successfully drilling 10-foot holes with their 100kW gyratron.
- They are setting up a 1MW system, a significant scale-up, and are leveraging existing oil and gas infrastructure and expertise to accelerate deployment.

### Cross-Industry Innovation

- Quaise's adaptation of gyratrons for drilling pushes the technology far beyond its original fusion research applications, improving reliability in harsh environments.
- This cross-pollination benefits both industries, as advancements in gyratron reliability for drilling will eventually flow back to aid fusion energy development.

### Future Outlook

- The Earth's stored heat is a vast, untapped resource, with even 0.1% capable of covering humanity's energy needs for millions of years.
- Next-generation drilling and reservoir technology could enable geothermal to provide up to 6,000 TWh/year by 2050, meeting about 15% of the world's additional electricity demand.
- Quaise's commercial approach aims to demonstrate profitability to encourage the oil and gas industry to adopt deep geothermal solutions, accelerating the energy transition.

![Screenshot at 0:00: Aerial view of the Quaise Energy drilling rig at a facility.](https://ss.rapidrecap.app/screens/gO_LLqZfNdY/00-00-00.png)
![Screenshot at 0:17: A square block of basalt with a perfectly circular, melted hole in its center.](https://ss.rapidrecap.app/screens/gO_LLqZfNdY/00-00-17.png)
![Screenshot at 0:37: An animation showing a gyratron drilling into the Earth's layers, emitting a glowing beam.](https://ss.rapidrecap.app/screens/gO_LLqZfNdY/00-00-37.png)
![Screenshot at 0:54: An aerial view of the Quaise Energy drilling site, showing the rig and surrounding equipment.](https://ss.rapidrecap.app/screens/gO_LLqZfNdY/00-00-54.png)
![Screenshot at 1:33: Paul Waskow, an MIT researcher, holding a rock sample with a melted hole, surrounded by other drilled samples.](https://ss.rapidrecap.app/screens/gO_LLqZfNdY/00-01-33.png)
![Screenshot at 2:07: Stephen Jeske, Project Manager at Quaise Energy, explaining the gyratron setup in a warehouse.](https://ss.rapidrecap.app/screens/gO_LLqZfNdY/00-02-07.png)
![Screenshot at 3:07: An animated cross-section of the Earth showing a drill reaching deep into the superhot rock layer.](https://ss.rapidrecap.app/screens/gO_LLqZfNdY/00-03-07.png)
![Screenshot at 3:34: A close-up view of the Quaise Energy drilling rig, highlighting the 'Quaise' branded containers.](https://ss.rapidrecap.app/screens/gO_LLqZfNdY/00-03-34.png)
![Screenshot at 5:46: A man in a white hard hat with 'Quaise' logo, standing in front of the large drilling rig.](https://ss.rapidrecap.app/screens/gO_LLqZfNdY/00-05-46.png)
![Screenshot at 7:24: A close-up of a basalt sample with a perfectly circular, vitrified hole, labeled '9-24'. The texture of the melted rock is visible inside the hole and around the edges, with some cracks in the surrounding rock.](https://ss.rapidrecap.app/screens/gO_LLqZfNdY/00-07-24.png)