ALPHAXIOMS Geothermal News & Energy Research

Superhot Rock Geothermal: Breakthroughs Beyond Traditional EGS Why high potential? Represents the "next frontier" after standard EGS — very timely with recent demos. The Economics of Superhot Rock Geothermal: The Race Toward 500°C Resources Superhot rock geothermal is emerging as the most promising “next frontier” in firm clean power, with the potential to deliver several times the output of conventional geothermal from a single well by tapping ≥374 °C supercritical fluids at depths of 3–10 km.[10][8] Yet the economics are still in flux, shaped by ultra‑deep drilling challenges, materials limits, and a handful of ambitious real‑world projects rather than commercial plants. This article unpacks where the technology and capital really stand today versus the hype, and why advertisers like Baker Hughes and Halliburton are eager to be seen as enabling this new market. Superhot Rock Geothermal: The Next Frontier After EGS Superhot rock geothermal (SHR) refers to systems that tap ro...

Geothermal brines can become a meaningful source of rare earth elements (REEs) and other critical minerals, but the industry is still in an early, pre‐commercial phase where technology, economics, and policy need to align.  Why Geothermal Brines Matter for Critical Minerals Geothermal systems circulate hot, mineral-rich fluids through crustal rocks, dissolving metals and concentrating them in brines that already flow through wells for power and heat. Unlike conventional mining, which moves huge volumes of rock, geothermal operations tap fluids that are already being pumped, monitored, and handled for energy production.  Several factors make geothermal brines attractive for critical minerals: - They contain lithium, REEs, and other valuable metals at trace to moderate concentrations. - Infrastructure (wells, pipelines, power plants) already exists at many sites. - Co-production of minerals with baseload renewable energy lowers the carbon footprint of supply chains.  For co...

Heat-as-a-Service takes geothermal from a capital-intensive power project to a financeable, contract-based heat utility: instead of selling electrons, you sell stable, decarbonized heat under long-term contracts that match what industrial customers and investors actually want. Image: A thematic picture of a geothermal power plant By shifting risk and ownership away from end users and toward specialised developers and infrastructure capital, it can unlock geothermal in markets where electricity tariffs are low but demand for reliable, low-carbon process heat is strong. From kWh to “heat-as-a-service” Traditional geothermal projects earn revenue by selling electricity into a grid, often at wholesale prices that barely cover high up-front drilling and plant costs unless there is a feed-in tariff or premium.Many industrial users, however, do not need electricity; they need heat for processes like brewing, greenhouse climate control or pulp and paper production, and they currently buy that ...

Enhanced geothermal systems are one of the few realistic paths to firm zero carbon power at scale, but they work by deliberately changing stresses in the crust, so induced seismicity is not a bug; it is a built‑in consequence that we have to manage, not eliminate. Image: geothermal wells of power The real question is whether we can design and regulate EGS so that most earthquakes stay tiny and useful as a reservoir diagnostic, and rare felt events stay within a risk envelope society will accept, with clear rules on who pays when something still goes wrong. EGS and induced seismicity Enhanced geothermal systems increase permeability in hot but relatively tight rock by injecting fluid under pressure, which raises pore pressure and shifts effective stresses on pre‑existing fractures and faults. When those faults are close to failure, even modest pressure changes can trigger slip, generating induced seismic events that range from microquakes only instruments detect to felt earthquakes like...