Fluidstack lease at Barber Lake with Google backstop
Company: Cipher Mining - Project: Barber Lake Facility
The claim, verbatim
Long-term HPC lease with Fluidstack USA II Inc. to construct data center at Barber Lake, with Google LLC backstopping certain obligations of Fluidstack
Source (primary)
Cipher Mining 10-K filed 2026-02-24 (SEC EDGAR, sec_filing)
View cached copy (2026-08-31)Live source ↗
Quote: “we entered into long-term HPC leases with Fluidstack USA II Inc. ("Fluidstack") to construct a data center at our Barber Lake site ("Barber Lake" or the "Barber Lake Facility"), located near Colorado City, Texas, supported by a lease recognition agreement, pursuant to which Google LLC ("Google") has agreed to backstop certain obligations of Fluidstack under our HPC leases with Fluidstack.”
How we checked this
Checked on September 16, 2026. The cited source supports every part of this claim.
The filing describes the Fluidstack leases at Barber Lake and the Google backstop in the same terms as the claim.
Confirmed in the source:
- Cipher entered into long-term HPC leases with Fluidstack USA II Inc. to construct a data center at its Barber Lake site
- Google LLC agreed, under a lease recognition agreement, to backstop certain of Fluidstack's obligations under the HPC leases
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1819989/000181998926000009/cifr-20251231.htm) in full (477,779 characters, retrieved August 31, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Cipher Mining 10-K filed 2026-02-24
Quote: “we entered into long-term HPC leases with Fluidstack USA II Inc. ("Fluidstack") to construct a data center at our Barber Lake site ("Barber Lake" or the "Barber Lake Facility"), located near Colorado City, Texas, supported by a lease recognition agreement, pursuant to which Google LLC ("Google") has agreed to backstop certain obligations of Fluidstack under our HPC leases with Fluidstack.”