Black Pearl facility capacity
Company: Cipher Mining - Project: Black Pearl Facility
The claim, verbatim
Black Pearl Facility will deliver approximately 300 gross MW of turnkey data center capacity
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 a 15-year lease agreement with Amazon Web Services, Inc. ("Amazon") to deliver approximately 300 gross MW of turnkey data center capacity at the site”
How we checked this
Checked on September 16, 2026. The cited source supports every part of this claim.
The filing states the Amazon lease covers approximately 300 gross MW of turnkey data center capacity at Black Pearl.
Confirmed in the source:
- The Black Pearl site is to deliver approximately 300 gross MW of turnkey data center capacity
- The capacity is committed under a 15-year lease with Amazon Web Services, Inc. entered into through Cipher Black Pearl LLC
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 a 15-year lease agreement with Amazon Web Services, Inc. ("Amazon") to deliver approximately 300 gross MW of turnkey data center capacity at the site”