15-year 300 MW HPC lease with AWS
Company: Cipher Mining - Project: Black Pearl Facility
The claim, verbatim
Secured a 15-year 300 MW lease with AWS for HPC data center capacity
Source (primary)
cipher-mining 8-K exhibit (exh991q4fy25_earningsprxvf.htm) (SEC EDGAR (8-K Ex), press_release)
View cached copy (2026-09-13)Live source ↗
Quote: “a 15-year 300 MW lease with AWS”
How we checked this
Checked on September 21, 2026. The cited source supports every part of this claim.
The document lists a 15-year 300 MW lease with AWS among contracted HPC capacity.
Confirmed in the source:
- Cipher secured a 15-year 300 MW lease with AWS for HPC capacity
What we did: Read our cached copy of SEC EDGAR (8-K Ex) (https://www.sec.gov/Archives/edgar/data/1819989/000181998926000007/exh991q4fy25_earningsprxvf.htm) in full (18,952 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms cipher-mining 8-K exhibit (exh991q4fy25_earningsprxvf.htm)
Quote: “a 15-year 300 MW lease with AWS”