Barber Lake lease term extension
Company: Cipher Mining - Project: Barber Lake Facility
The claim, verbatim
Cipher extended the Barber Lake data center lease from 10 years to 20 years
Source (primary)
cipher-mining 8-K exhibit (barberlakeleaseamendmentpr.htm) (SEC EDGAR (8-K Ex), press_release)
View cached copy (2026-09-26)Live source ↗
Quote: “extend the contracted lease duration of its Barber Lake data center in Colorado City, Texas from 10 years to 20 years”
How we checked this
Checked on September 28, 2026. The cited source supports every part of this claim.
The press release states that Cipher's agreements extend Barber Lake's contracted lease duration from 10 to 20 years. This is achieved through an amendment to the Fluidstack lease combined with a separate follow-on lease with an AI lab.
Confirmed in the source:
- Cipher extended the contracted lease duration of its Barber Lake data center from 10 years to 20 years
What we did: Read our cached copy of SEC EDGAR (8-K Ex) (https://www.sec.gov/Archives/edgar/data/1819989/000181998926000043/barberlakeleaseamendmentpr.htm) in full (8,716 characters, retrieved September 26, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms cipher-mining 8-K exhibit (barberlakeleaseamendmentpr.htm)
Quote: “extend the contracted lease duration of its Barber Lake data center in Colorado City, Texas from 10 years to 20 years”