U.S. electricity transmission capacity is falling far short of projected needs, with analysts at ICF forecasting residential rates could rise another 15 to 40 percent over the next five years and potentially double by 2050. The Department of Energy concluded in 2024 that the country would need to double or quadruple transmission capacity by 2050, requiring roughly 5,000 miles of new high-capacity regional lines per year; the U.S. built only 5,000 miles total over the nine years from 2017 through 2025, averaging just 600 miles per year since 2017. In August 2026, Energy Secretary Chris Wright canceled three proposed National Interest Electric Transmission Corridors that the Department of Energy had advanced in December 2024. A bipartisan Senate bill to reform transmission permitting has been introduced, but the current congressional session is running short.
The cancellation of the three proposed National Interest Electric Transmission Corridors removes a federal mechanism that had been in development for over 15 years, directly reducing the tools available to accelerate grid expansion at a time when data center load growth is a primary driver of rising congestion. Without additional transmission capacity, data centers that cannot connect to the grid may turn to on-site natural gas generation, increasing both emissions and operating costs.
Yale Climate Connections citing a power grid crisis is a high-profile editorial signal on grid strain, directly relevant to data center power demand coverage. The framing around grid reliability crisis has broad industry implications not duplicated in already-published stories.