August 2003 Blackout

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General Information

For more information go to the US Department of Energy or the Natural Resources Canada websites.  

Statements & Comments


What Happened?

August 14 and 15, 2003 - The northeastern U.S. and southern Canada suffered the worst power blackout in history. Areas affected extended from New York, Massachusetts, and New Jersey west to Michigan, and from Ohio north to Toronto and Ottawa, Ontario. Approximately 50 million customers were impacted, and the economic costs will be staggering.

The outage in the news

North American Electric Reliability Council (NERC) press releases: a history of the event

History of previous major power blackout events