DOE Flags U.S. Grid Bottlenecks in Triennial Study as Data Center Demand Surges

3 articles · Updated · POLITICO · Jul 10

A draft triennial Department of Energy study released Thursday maps the nation’s biggest electricity transmission needs and urges more planning and investment to ease costly interstate grid congestion.
Growing power demand from data centers, manufacturing and other large industrial loads drove the analysis, which says transmission upgrades can support reliability, reduce congestion and accommodate new generation and interconnection.
The study marks a shift from the Biden-era emphasis on long-distance lines built mainly to move renewable power across the country toward relieving bottlenecks that are already pushing up prices.
Its release lands as states and regulators grapple with AI-linked electricity strain, including Texas’ 5-0 vote requiring large data centers to stay online during grid disturbances to avoid cascading outages.

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U.S. Grid at a Breaking Point: DOE’s 2026 Transmission Needs Study Reveals Urgent Upgrades Required for Data Center-Driven Demand Surge

Overview

The U.S. Department of Energy’s 2026 National Transmission Needs Study highlights urgent bottlenecks in the nation’s electric grid and calls for significant investment in transmission capacity. As electricity demand accelerates due to the rapid growth of data centers and new industries, the study emphasizes the need to modernize and expand the grid to ensure reliability and support the evolving energy landscape. By prioritizing transmission infrastructure, the DOE aims to alleviate persistent congestion and inform strategic planning, setting the stage for a more resilient and efficient grid that can meet future energy needs.

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