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Transmission congestion added $12 billion in wholesale power costs in 2024, the U.S. Department of Energy said in a draft report on U.S. transmission needs.

Published July 10, 2026

Service technicians install the foundation for a transmission tower at a CenterPoint Energy power plant on June 10, 2022, in Houston. The Electric Reliability Council of Texas installed the most transmission lines from 2016 through 2024, the U.S. Department of Energy said in a draft report released July 9, 2026.

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