Black Pearl Phase I energization
Company: Cipher Mining
What the later record shows
Delivered on time · happened June 30, 2025
Cipher reported that Black Pearl Phase I (150 MW) was energized on schedule in Q2 2025 and had begun hashing. The full 150 MW of rigs was ramped up later, by September 2025.
“Phase I – 150 MW – Construction and energization completed on schedule in Q2 2025”
2025-08-06 · cipher-mining 8-K exhibit (ciphermining_businessupd.htm) View cached copy (2026-10-08)Live source ↗
“Energized and commenced hashing at Black Pearl Phase I, the first 150 MW of the 300 MW site”
2025-08-06 · cipher-mining 8-K exhibit (exh991aug7_earningsxpressr.htm) View cached copy (2026-10-08)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
Phase I of Black Pearl has 150 MW of capacity and is expected to generate over approximately 9.5 EH/s. It remains on track to energize in Q2 2025.
Source (primary)
cipher-mining 8-K exhibit (cifr-20250225xex991.htm) (SEC EDGAR (8-K Ex), press_release)
View cached copy (2026-10-19)Live source ↗
Quote: “Construction of Phase I of Black Pearl, featuring 150 MW of capacity and expected to generate over ~9.5 EH/s, remains on track to energize in the second quarter of this year”
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 (cifr-20250225xex991.htm)
Quote: “Construction of Phase I of Black Pearl, featuring 150 MW of capacity and expected to generate over ~9.5 EH/s, remains on track to energize in the second quarter of this year”
confirms cipher-mining 8-K exhibit (exh991aug7_earningsxpressr.htm)
Quote: “Energized and commenced hashing at Black Pearl Phase I, the first 150 MW of the 300 MW site”
confirms cipher-mining 8-K exhibit (ciphermining_businessupd.htm)
Quote: “Phase I – 150 MW – Construction and energization completed on schedule in Q2 2025”