Black Pearl Phase I 150 MW
Company: Cipher Mining
What the later record shows
Delivered late · happened September 30, 2025
The full 150 MW of rigs at Black Pearl was reached by September 2025, after the 2Q 2025 date. In Q2 only about 6.9 EH/s was deployed. The Q3 hashrate increase is attributed to completion of Phase I 150 MW.
“End of Period Self-Mining Hashrate ~23.6 EH/s ~16.8 EH/s ~40% Increase Driven by completion of Black Pearl Phase I 150 MW”
2025-11-02 · cipher-mining 8-K exhibit (ciphermining_businessupd.htm) View cached copy (2026-09-27)Live source ↗
“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 19, 2026 against filings, releases and reporting published after the claim was made. Quotes are verbatim from the linked documents.
The claim, verbatim
Black Pearl Phase I is planned as 150 MW of air-cooled mining rigs that can generate about 9.5+ EH/s.
Source (primary)
cipher-mining 8-K exhibit (exh992revduploadtoworkiv.htm) (SEC EDGAR (8-K Ex), press_release)
View cached copy (2026-10-19)Live source ↗
Quote: “Phase I envisions 150 MW of air-cooled rigs that can generate ~9.5+ EH/s(1)”
How we checked this
This claim has not yet been checked assertion-by-assertion against its source. It carries a cited source and quote, but the deeper check has not run. When it does, the result appears here whatever it says.
Additional evidence
confirms cipher-mining 8-K exhibit (exh992revduploadtoworkiv.htm)
Quote: “Phase I envisions 150 MW of air-cooled rigs that can generate ~9.5+ EH/s(1)”
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.”
confirms cipher-mining 8-K exhibit (ciphermining_businessupd.htm)
Quote: “End of Period Self-Mining Hashrate ~23.6 EH/s ~16.8 EH/s ~40% Increase Driven by completion of Black Pearl Phase I 150 MW”