IREN Limited (NASDAQ:IREN) stock is surging on Tuesday.

This upward momentum caps off a multi-day rally fueled by a fundamental shift in how Wall Street values artificial intelligence infrastructure.

The Shift To Megawatts While investors initially focused on securing chips from NVIDIA Corp.

(NASDAQ:NVDA), the bottleneck has officially moved to energy and grid access.

On May 25, Bloomberg Tech reported comments from IREN co-founder and co-CEO Daniel Roberts, who noted that a company building a 1-gigawatt AI factory today likely would not get its first compute online until 2030.