US Data Center Expansion Faces 2026 Crisis Amid Massive Delays and Cancellations

The expansion of US data centers is facing a significant setback, with nearly half of the planned 16-gigawatt capacity for 2026 at risk of cancellation. Currently, only 5 gigawatts are under active construction, highlighting a widening gap as AI capital expenditure is projected to reach $680 billion. Analysts identify 2026 as the defining year for Return on Investment (ROI) metrics, especially as hyperscalers shift from cash-flow funding to debt-funded models. This transition to debt financing is expected to intensify market scrutiny on revenue conversion and financial sustainability. Logistical hurdles, including permitting delays and supply chain shortages, continue to threaten the growth trajectories of giants like Microsoft and NVIDIA. Consequently, the 'AI trade' faces a critical test as the industry moves toward a higher-risk financial structure amid infrastructure bottlenecks.