Fleet efficiency improvement
Company: IREN
The claim, verbatim
Fleet efficiency to improve from 29.5 J/TH to 24.8 J/TH with new miners installed
Source (primary)
IREN 6-K filed 2023-12-15 (SEC EDGAR, sec_filing)
View cached copy (2026-08-31)Live source ↗
Quote: “The newly acquired S21 and T21 miners, once installed, will improve overall fleet efficiency from 29.5 J/TH to 24.8 J/TH”
How we checked this
Checked on September 18, 2026. The cited source supports every part of this claim.
The filing states that the new S21 and T21 miners, once installed, will improve fleet efficiency from 29.5 J/TH to 24.8 J/TH.
Confirmed in the source:
- Overall fleet efficiency is expected to improve from 29.5 J/TH to 24.8 J/TH
- The improvement depends on the newly acquired S21 and T21 miners being installed
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1878848/000114036123057724/ef20016735_6k.htm) in full (12,777 characters, retrieved August 31, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms IREN 6-K filed 2023-12-15
Quote: “The newly acquired S21 and T21 miners, once installed, will improve overall fleet efficiency from 29.5 J/TH to 24.8 J/TH”