Federal funding from ARPA-E will support testing and validation of XGS technology for superhot geothermal conditions

XGS Energy, Inc. (“XGS”), a developer of next-generation geothermal power systems, today announced it has been selected for an award by the U.S. Department of Energy’s (“DOE”) Advanced Research Projects Agency-Energy (“ARPA-E”) under its SUPERHOT program, which is providing up to $30 million in federal funding across eight selected projects. XGS’s project will adapt and validate XGS’s proprietary thermally conductive cement and well design for use in superhot geothermal conditions, advancing the production of reliable, resilient American energy.

SUPERHOT aims to unlock America’s vast untapped superhot geothermal resources by developing technologies capable of harnessing extreme underground temperatures above 375°C and pressures above 22 megapascals, supporting transformative innovations in geothermal productivity that can more than triple the power output of individual geothermal wells. These technologies will strengthen U.S. energy security and support long-term economic growth, with DOE estimating that, by 2040, SUPERHOT technologies could help deliver 10 to 20 GW of affordable, abundant baseload power.

XGS’s system is uniquely suited for superhot geothermal development, with a simple enhanced closed-loop design that is less vulnerable to extreme heat and pressure. This ARPA-E project builds on the XGS team’s leadership and experience advancing world-leading superhot projects, including the Iceland Deep Drilling Project, where XGS’s Chief Technology Officer Axel-Pierre Bois developed cement formulations for superhot geothermal well applications.

“Superhot resources offer a path to more efficient, reliable baseload power for America,” said Bois. “This ARPA-E project reflects our commitment to pushing the frontiers of geothermal energy, expanding domestic energy production and delivering around-the-clock power for our grids and critical infrastructure.”

The award follows XGS’s selection by DOE in September for federal funding to drill a deep vertical appraisal well in New Mexico, where the company is advancing its flagship project. Together, the selections reflect DOE’s accelerating investment in Enhanced and Advanced Geothermal Systems. The flagship project anchors XGS’s 3 GW near-term pipeline, part of a multi-gigawatt resource base the company is advancing toward commercial operation.

Selection for award negotiations is not a commitment by DOE to issue an award or provide funding. Before funding is issued, DOE and the applicants will undergo a negotiation process, and DOE may cancel negotiations and rescind the selection for any reason during that time.

About XGS Energy

XGS Energy is a next-generation geothermal developer that delivers clean, around-the-clock power anywhere there is hot rock. The XGS system decouples geothermal energy production from its historical dependence on natural water resources and geological conditions, unlocking low-risk power project development, geographic flexibility, easier permitting, and faster deployment. With deep partnerships across power development and oil and gas, XGS is positioned to meet surging demand from utilities, industrial operators, AI hyperscalers, and an increasingly electrified economy. For more information, visit www.xgsenergy.com.

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