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← IREN
Fri, May 1, 2026

IREN energizes Sweetwater 1 substation in Texas

Source file ↗

Key points

  • IREN announced successful energization of its 1.4GW Sweetwater 1 data center site in Texas.
  • Energization connects the site's high-voltage substation to the ERCOT grid, a key milestone for the broader 2GW Sweetwater campus.
  • Power delivery is expected to ramp progressively as construction and commissioning of data centers continues.
  • Management framed this as evidence of disciplined execution and vertically integrated development capability amid industry-wide power constraints on AI infrastructure.

Site update

SiteStatusActiveIn buildTheoretical
Sweetwater 1Sweetwater, TX

Sweetwater 1 (1.4GW) substation energized, connected to ERCOT grid; part of broader 2GW Sweetwater campus. Power delivery expected to ramp progressively with phased construction and commissioning.

Under construction——1,400 MWgross