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Advanced geothermal

Early commercialmomentum 77568 papers in 3 months (+74% yearly)$3.1B raised in 12 months15 companies

Tapping the heat in deep hot rock almost anywhere, using oil and gas drilling methods, to make round-the-clock clean power.

Why early commercial: Fervo's Cape Station in Utah became the first utility-scale enhanced geothermal plant to export power to the grid. Sep 24, 2026

Papers per monthOpenAlex journal and conference papers; January includes papers dated by year only; the last two months are still filling in
0169338Sep 24Mar 25Sep 25Mar 26

Dots under a month: dated events tracked here that month.

19 events

DateEvent
Sep 2026
Sep 24Fervo Cape Station reaches first powerfervoenergy.com· Milestone
Sep 22Fervo wins two DOE awards worth about $20 millionfervoenergy.com· Funding
Sep 22Quaise selected for up to $25 million from DOEquaise.com· Funding
Sep 21DOE awards $99 million to 21 geothermal projectsenergy.gov· Policy
Sep 17Mazama raises $135 million Series Bglobenewswire.com· Funding
Sep 1Mazama drills Athena well to 10,350 feet in 15 daysglobenewswire.com· Milestone
Sep 1Fervo and Google sign 396 MW power purchase agreementfervoenergy.com· Deal
Aug 2026
Aug 27Quaise closes $180 million Series B with Naborsquaise.com· Funding
Aug 19Sage's 3 MW pilot plant produces grid power in Texascanarymedia.com· Milestone
Jul 2026
Jul 8Fervo drills Sawtooth 7 in a record 21 daysfervoenergy.com· Milestone
May 2026
May 21Eavor reports first Geretsried loop is producing heateavor.com· Milestone
May 12Fervo prices upsized IPO on Nasdaqfervoenergy.com· Milestone
Apr 2026
Apr 11XGS and California Community Power sign 115 MW dealxgsenergy.com· Deal
Apr 7Fervo and Turboden sign 1.7 GW turbine frameworkfervoenergy.com· Deal
Mar 2026
Mar 19Fervo closes $421 million project financing for Cape Stationfervoenergy.com· Funding
Feb 2026
Feb 9Fervo drills its hottest well at Project Blanford, Utahfervoenergy.com· Milestone
Oct 2025
Oct 28Mazama builds hottest enhanced geothermal system at 629 Fglobenewswire.com· Breakthrough
Sep 2025
Sep 30XGS runs water-independent geothermal system for 3,000 hoursxgsenergy.com· Milestone
Jun 2025
Jun 12XGS Energy and Meta partner on 150 MW of geothermalxgsenergy.com· Deal
About advanced geothermal here
Sub-areas
Enhanced geothermal systems, Closed-loop geothermal, Superhot rock, Advanced drilling, AI-driven exploration, Waterless and conduction systems, Geothermal energy storage, Geothermal heating and cooling
Stage evidence
Early commercial, Sep 24, 2026: Fervo's Cape Station in Utah became the first utility-scale enhanced geothermal plant to export power to the grid. fervoenergy.com
Momentum
77 of 100: the mean of its ranks among the tracked fields for paper growth (94), funding in 12 months (63) and events in 90 days (75). Method
Papers
2,298 in the 12 months ending two months ago, +74% against the 12 before (OpenAlex topics, journal and conference papers).
Tracked here since
Sep 25, 2026

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