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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.

Watch technical milestonesInspect project history

Cape Station: ledger · Power Inflection