Black Pearl mining capacity energization
Company: Cipher Mining - Project: Black Pearl Facility
What the later record shows
Delivered late · happened September 30, 2025
150 MW was reached by September 2025. That is within the claim's own 'in 2025' wording but after the recorded June 30, 2025 promised date.
“We commenced mining bitcoin at the Black Pearl data center in June 2025 and ramped up to 150 MW of capacity by September 2025.”
2026-02-23 · Cipher Mining 10-K filed 2026-02-24 View cached copy (2026-08-31)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
The company plans to energize 150 MW of bitcoin mining at a 300 MW data center in Texas in 2025
Source (primary)
Cipher Mining 424B5 filed 2025-05-20 (SEC EDGAR, sec_filing)
View cached copy (2026-08-31)Live source ↗
Quote: “including one 300 MW data center at which we plan to energize 150 MW of bitcoin mining in 2025”
How we checked this
Checked on October 11, 2026. The cited source supports every part of this claim.
The prospectus describes a pipeline of about 2.8 GW across seven additional Texas sites, including one 300 MW data center where the company plans to energize 150 MW of bitcoin mining in 2025.
Confirmed in the source:
- Cipher Mining's development pipeline includes a 300 MW data center in Texas
- Cipher Mining plans to energize 150 MW of bitcoin mining at that 300 MW data center in 2025
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1819989/000119312525123231/d920705d424b5.htm) in full (436,841 characters, retrieved August 31, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Cipher Mining 424B5 filed 2025-05-20
Quote: “including one 300 MW data center at which we plan to energize 150 MW of bitcoin mining in 2025”
confirms Cipher Mining 10-K filed 2026-02-24
Quote: “We commenced mining bitcoin at the Black Pearl data center in June 2025 and ramped up to 150 MW of capacity by September 2025.”