WindHQ joint venture three data centers
Company: Cipher Mining - Project: Chief Facility
The claim, verbatim
Operates three data centers (Alborz, Bear, Chief) through WindHQ joint venture with 49% ownership stake in each
Source (primary)
Cipher Mining 10-K filed 2023-03-14 (SEC EDGAR, sec_filing)
View cached copy (2026-09-13)Live source ↗
Quote: “We currently operate three data centers (the Alborz Facility, the Bear Facility, and the Chief Facility) that were built under the WindHQ Joint Venture Agreement, each of which is owned by a separate limited liability company in which WindHQ owns 51% of the membership interests and we own 49% of the membership interests.”
How we checked this
Checked on September 21, 2026. The cited source supports every part of this claim.
The document states that the three named facilities are each held by an LLC with WindHQ at 51% and Cipher at 49%.
Confirmed in the source:
- Cipher operates three data centers (Alborz, Bear, and Chief) built under the WindHQ Joint Venture Agreement
- Each facility is owned by a separate LLC in which WindHQ owns 51% and Cipher owns 49%
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1819989/000095017023007793/cifr-20221231.htm) in full (564,500 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Cipher Mining 10-K filed 2023-03-14
Quote: “We currently operate three data centers (the Alborz Facility, the Bear Facility, and the Chief Facility) that were built under the WindHQ Joint Venture Agreement, each of which is owned by a separate limited liability company in which WindHQ owns 51% of the membership interests and we own 49% of the membership interests.”