Sweetwater 1 substation energization April 2026
Company: IREN - Project: Sweetwater 1
What the later record shows
The date slipped · new target June 30, 2026
The August 2025 10-K moved the Sweetwater 1 substation energization target from April 2026 to Q2 calendar 2026. Later passages put the Sweetwater 1 initial phase in the 2027 expansion, and none confirms energization.
“we are targeting grid connection and a substation energization date in the second quarter of calendar year 2026 for Sweetwater 1”
2025-08-27 · IREN 10-K filed 2025-08-28 View cached copy (2026-08-31)Live source ↗
“2027 expansion to 1,210MW in build o Childress Horizons 5–6 o Childress air-cooled capacity o Sweetwater 1 initial phase”
2026-05-07 · iren 8-K exhibit (irenreportsq3fy26results.htm) View cached copy (2026-09-08)Live source ↗
Checked October 15, 2026 against filings, releases and reporting published after the claim was made. Quotes are verbatim from the linked documents.
The claim, verbatim
IREN is targeting substation energization for the 1,400MW Sweetwater 1 site in April 2026.
Source (primary)
iren 8-K exhibit (irenlimited-exx994mar2025.htm) (SEC EDGAR (8-K Ex), press_release)
View cached copy (2026-10-15)Live source ↗
Quote: “We are targeting a substation energization date of April 2026 and late 2027 for Sweetwater 1 and Sweetwater 2, respectively.”
How we checked this
Checked on October 17, 2026. The cited source supports every part of this claim.
The filing identifies Sweetwater 1 as a 1,400MW site and gives April 2026 as its targeted substation energization date.
Confirmed in the source:
- Sweetwater 1 is a 1,400MW site
- IREN is targeting a substation energization date of April 2026 for Sweetwater 1
What we did: Read our cached copy of SEC EDGAR (8-K Ex) (https://www.sec.gov/Archives/edgar/data/1878848/000187884825000043/irenlimited-exx994mar2025.htm) in full (129,213 characters, retrieved October 15, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms iren 8-K exhibit (irenlimited-exx994mar2025.htm)
Quote: “We are targeting a substation energization date of April 2026 and late 2027 for Sweetwater 1 and Sweetwater 2, respectively.”
delays IREN 10-K filed 2025-08-28
Quote: “we are targeting grid connection and a substation energization date in the second quarter of calendar year 2026 for Sweetwater 1”
delays iren 8-K exhibit (irenreportsq3fy26results.htm)
Quote: “2027 expansion to 1,210MW in build o Childress Horizons 5–6 o Childress air-cooled capacity o Sweetwater 1 initial phase”