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Long-term enhanced geothermal test begins in Utah
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Fusion42 · 27 August 2026 · Fusion42 review
A four-month extended circulation test has started in Utah for enhanced geothermal systems (EGS) to evaluate reservoir performance under continuous flow, aiming to derisk the technology and support commercial viability. This federally funded project managed by the University of Utah could provide crucial data on long-term thermal decline and water loss, key unknowns for EGS commercialization.
This Wire brief tracks EternaFusion, and It sits within Fusion42's coverage of Clean Energy.
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You face a turning point in geothermal energy with this test clearing doubts on long-term resource stability. Geothermal founders now have new data coming soon to justify deeper investment and faster scaling.
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1 source · 27 Aug 2026
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