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US Power Grid Struggles as AI Data Centers Overwhelm Capacity

Under years-long interconnection backlogs, tech giants are turning to on-site gas plants supplemented by nuclear generation.

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Despite being a major factor in growing energy demands, AI can also offer key solutions.
The Millstone nuclear power facility in Waterford.  (AP Photo/Steve Miller, File)
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Overview

  • Utilities are facing multi-year queues as speculative multi-gigawatt interconnection requests flood systems and delay legitimate AI projects.
  • Data-center vacancy has hit record lows near 2.3%, with Northern Virginia and Dallas accounting for half of new demand in early 2025.
  • Major hyperscalers are investing in dedicated power assets—ranging from on-site natural gas turbines to revived nuclear projects—to bypass constrained grids.
  • Regulators and investors are weighing accelerated permitting and hundreds of billions of dollars in transmission and generation upgrades to relieve acute bottlenecks.
  • Grid operators have launched AI-driven management pilots that forecast instability and optimize hosting capacity, though physical infrastructure expansion remains critical.