XGS provides Clean, Round-the-Clock Energy Everywhere, Forever

Our proprietary solid-state geothermal system uses thermally conductive materials to deliver affordable energy anywhere there is hot rock

What We Do

We are decoupling geothermal from dependence on water and geology.

1. Modular.

XGS’s smallest modular unit is a single well, pipe-in-pipe heat exchanger, in which working fluid, typically water, is circulated inside a steel casing, warms up, and then is returned to the surface through an inner insulated tube.

2. Water-independent.

Water is continuously recycled in zero-loss closed-loop.

3. Boosted by materials science.

Thermally conductive materials pull additional heat to the well for optimized economics.

4. In any geology.

Performance is not dependent on rock permeability and porosity.

What We Do

Who We Are

Who We Are

Our expert team is unlocking the biggest clean energy opportunity in the world

We are scientists, engineers and change-makers with decades of experience developing and deploying cutting-edge technologies for energy infrastructure. Our expertise combines the operational prowess of the world’s largest energy companies with gigawatt-scale experience in power project development and financing.

Guided by a world-class Board of advisors, we benefit from the insights of distinguished leaders across industry, finance, and the public sector.

Latest News & Publications

Powering Sustainable AI in Data Centers

Valo’s portfolio company XGS Energy enables fast, scalable geothermal development with its heat-harvesting technology, offering a firm renewable...

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Valo Ventures

Geothermal exec on Houston expansion, commercialization and more

In this Q&A, our CTO Axel discusses XGS Energy’s next-gen geothermal technology and its path to commercial deployment. The company recently achieved a...

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Energy Capital HTX

The year of enhanced geothermal’s rise

XGS Energy is advancing next-gen geothermal with its closed-loop technology, securing $20M in Series A funding to unlock scalable, 24/7 clean power...

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Latitude Media

Technology breakthroughs are unlocking geothermal energy’s vast potential in countries across the globe

An IEA report finds next-gen geothermal could drive $1T in investment by 2035 and deliver global, costcompetitive clean power with policy support...

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International Energy Agency

Next-Generation Geothermal: Considerations and Opportunities for Responsible Development

WRI explores next-generation geothermal technologies and their potential to provide 24/7 clean electricity, highlighting industry developments...

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World Resources Institute

5 earth-shattering advancements in geothermal energy that could change our power grid forever

XGS Energy is advancing geothermal energy with a new "specialized mud" that improves well stability, prevents water loss, and enhances heat retention...

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The Cool Down

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