IREN energizes 1.4GW Sweetwater 1 data center site in Texas

IREN Limited (NASDAQ: IREN) announced the energization of its 1.4GW Sweetwater 1 data center site in Texas, according to a company statement released May 1, 2026.

The energization connects the site's high-voltage substation to the ERCOT grid and represents a milestone in developing the broader 2GW Sweetwater campus. Power delivery at Sweetwater 1 will ramp progressively as data centers are constructed and commissioned at the site.

The company stated that energization addresses power constraints on AI infrastructure deployment by bringing grid-connected capacity online.

"Delivering Sweetwater 1 substation energization on schedule reflects our disciplined execution, the strength of our supply chain relationships and the efficiency of our vertically integrated development model," said Daniel Roberts, Co-Founder and Co-CEO at IREN.

IREN describes itself as a vertically integrated AI Cloud provider that delivers data centers and GPU clusters for AI training and inference. The company operates across renewable-rich regions in the United States and Canada.

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