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State

Testing reported

Test results stay attributed to whoever reported them.

Open question

What has the technology itself been shown to do, at what scale and under what conditions?

  • Not established in reviewed sources: Independent (non-Fervo) measurement of well flow rates or plant output
  • Not established in reviewed sources: Long-term reservoir thermal decline at Cape Station
  1. Current stateTesting reported12 August 2026 · Company reported · Fervo Energy (SEC filing, Form 8-K exhibit)

    Before: Not established in reviewed sources. Source: Fervo Energy (SEC filing, Form 8-K exhibit) ↗

  2. Earlier statementTesting reported12 September 2024 · Secondary report · Utility Dive

    Before: Not established in reviewed sources. Source: Utility Dive ↗

Evidence detail

Testing reported

Phase II drilling: Sawtooth 7 well (Fervo 3.0 design), depth, temperature and drilling time

Test results stay attributed to whoever reported them.

“During the quarter, Fervo drilled Sawtooth 7, its ninth Fervo 3.0 well, reaching a measured depth of nearly 19,500 feet in a 460°F resource in just 21 days spud-to-total-depth, a new Company record for drilling pace on its most complex well design to date.”
Attribution
Company reported
Publisher
Fervo Energy (SEC filing, Form 8-K exhibit)
Dated
12 August 2026
First public disclosure
12 August 2026
State before
Not established in reviewed sources
Source read
11 November 2026

Inspect primary source: Fervo Energy (SEC filing, Form 8-K exhibit) ↗

What this does and does not establish

An exact passage match shows the source says this. It does not prove the underlying claim is true.

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