Black Pearl 300 MW energization
Company: Cipher Mining
What the later record shows
Partly delivered · happened September 30, 2025
Black Pearl began mining in June 2025 and reached only 150 MW by September 2025, half the promised 300 MW. The site was then converted to HPC, bitcoin mining there ceased in February 2026, and the first HPC capacity was delivered in August 2026 with the rest still in progress.
“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 ↗
“As a result, in February 2026 bitcoin mining operations ceased at the Black Pearl Facility.”
2026-02-23 · Cipher Mining 10-K filed 2026-02-24 View cached copy (2026-08-31)Live source ↗
“First data center capacity at Black Pearl delivered in August, with rent commenced”
2026-08-03 · cipher-mining 8-K exhibit (q226_earningsxprxdraftxvf.htm) View cached copy (2026-09-02)Live source ↗
Checked November 6, 2026 against filings, releases and reporting published after the claim was made. Quotes are verbatim from the linked documents.
The claim, verbatim
Cipher said construction had commenced at the Black Pearl data center, which is to deliver 300 MW of total capacity, with full energization expected in 2025.
Source (primary)
cipher-mining 8-K exhibit (cifr-ex99_2.htm) (SEC EDGAR (8-K Ex), press_release)
View cached copy (2026-11-06)Live source ↗
Quote: “Black Pearl Data Center Construction Commenced Delivering 300 MW of total capacity Full energization expected in 2025”
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-ex99_2.htm)
Quote: “Black Pearl Data Center Construction Commenced Delivering 300 MW of total capacity Full energization expected in 2025”