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Biggest Load Sheds in U.S. History

August 08, 2022

Power Outage

Significant blackouts occur in the U.S. about every four months. If there was a hall of fame for U.S. power blackouts, here is a list of likely nominees.

  • August 1996 Western Interconnection (28,000 MW)
  • February 2021 Texas and South Central (23,418 MW)
  • August 2003 Northeast (22,984 MW)
  • November 1965 Northeast (20,000 MW)
  • December 1982 West Coast (12,350 MW)