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Multi-gigawatt clusters and tightening transmission capacity are reshaping data center power planning, GE Vernova says. (Photo: iStock)
AI data centers are placing unprecedented stress on electricity systems, raising concerns about whether grids can keep pace with the scale and speed of upcoming deployments. During a GE Vernova webinar on Nov. 20 titled “Connecting the dots: Pathways to powering data centers,” experts from the energy equipment and services company explained how multi-gigawatt clusters, fast cycling loads, and tightening transmission capacity are reshaping the fundamentals of data center power planning.
“Data centers are growing fast, we know that. But powering them reliably and at scale is the critical uncertainty,” said Jason MacDowell, GE Vernova’s Director-Integrated Systems.
AI workloads reshape demand and expose stability risks
AI facilities are shifting from tens of megawatts to multiple gigawatts concentrated in the same region, a leap that the panel described as “transformational, not incremental.” These clusters draw power in rapid, steep cycles that conventional grids were not designed to accommodate.



