Black Pearl Phase I energization 2Q 2025
Company: Cipher Mining - Project: Black Pearl Facility
What the later record shows
Delivered on time · happened June 30, 2025
Black Pearl Phase I energization was completed on schedule in Q2 2025, and mining began there in June 2025.
“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 ↗
“We commenced mining bitcoin at the Black Pearl data center in June 2025”
2026-02-23 · Cipher Mining 10-K filed 2026-02-24 View cached copy (2026-08-31)Live source ↗
Checked October 16, 2026 against filings, releases and reporting published after the claim was made. Quotes are verbatim from the linked documents.
The claim, verbatim
Energization of the Black Pearl site is expected in 2Q 2025, with early deployment of about 2.5 EH/s in that quarter.
Source (primary)
cipher-mining 8-K exhibit (exh992ciphermining_busin.htm) (SEC EDGAR (8-K Ex), press_release)
View cached copy (2026-10-16)Live source ↗
Quote: “Energization expected in 2Q 2025”
How we checked this
Checked on October 17, 2026. The cited source supports every part of this claim.
The Black Pearl slide states that energization is expected in 2Q 2025. The growth update says Phase I is on track for early deployment of ~2.5 EH/s in 2Q 2025.
Confirmed in the source:
- Black Pearl energization is expected in 2Q 2025
- Cipher expects early deployment of about 2.5 EH/s at Black Pearl in 2Q 2025
What we did: Read our cached copy of SEC EDGAR (8-K Ex) (https://www.sec.gov/Archives/edgar/data/1819989/000181998925000034/exh992ciphermining_busin.htm) in full (18,992 characters, retrieved October 16, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms cipher-mining 8-K exhibit (exh992ciphermining_busin.htm)
Quote: “Energization expected in 2Q 2025”
confirms Cipher Mining 10-K filed 2026-02-24
Quote: “We commenced mining bitcoin at the Black Pearl data center in June 2025”
confirms cipher-mining 8-K exhibit (ciphermining_businessupd.htm)
Quote: “Construction and energization completed on schedule in Q2 2025”