Barber Lake Phase I delivery target
Company: Cipher Mining - Project: Barber Lake Facility
What the later record shows
The date slipped · new target March 31, 2027
The September 30, 2026 Phase I target was superseded by a phased schedule delivering data halls from Q4 2026 through Q1 2027.
“an updated phased delivery schedule for the Barber Lake Facility, with individual data halls now expected to be delivered between the fourth quarter of 2026 and the first quarter of 2027”
2026-09-24 · Cipher Mining 8-K filed 2026-09-25 View cached copy (2026-09-26)Live source ↗
Checked October 10, 2026 against filings, releases and reporting published after the claim was made. Quotes are verbatim from the linked documents.
The claim, verbatim
Cipher Barber Lake is targeting delivery of Barber Lake Phase I by September 30, 2026
Source (primary)
Cipher Mining 10-K filed 2026-02-24 (SEC EDGAR, sec_filing)
View cached copy (2026-08-31)Live source ↗
Quote: “Cipher Barber Lake is targeting delivery of Barber Lake Phase I by September 30, 2026”
How we checked this
Checked on October 11, 2026. The cited source supports every part of this claim.
The 10-K states that Cipher Barber Lake is targeting delivery of Barber Lake Phase I by September 30, 2026.
Confirmed in the source:
- Cipher Barber Lake is targeting delivery of Barber Lake Phase I by September 30, 2026
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: “Cipher Barber Lake is targeting delivery of Barber Lake Phase I by September 30, 2026”
delays Cipher Mining 8-K filed 2026-09-25
Quote: “an updated phased delivery schedule for the Barber Lake Facility, with individual data halls now expected to be delivered between the fourth quarter of 2026 and the first quarter of 2027”