World’s Worst Power Outages

Operating Without Power, 1965



Northeast blackout picture - brain surgery at St. Vincent’s Hospital, New York City, during the 1965 Northeast blackout

Photograph by Ted Russell, Time Life Pictures/Getty Images

Doctors use temporary lighting to perform brain surgery at St. Vincent's Hospital in New York City during the great blackout of 1965. More than 30 million people in parts of Canada and several Northeastern U.S. states were left without power for up to 13 hours on November 9, 1965, after the lights went dark during the evening rush hour. A faulty or improperly set safety relay at an Ontario power station was blamed for sparking a southbound power surge that overwhelmed systems from Vermont to New Jersey. Human operators were also faulted for responses that failed to contain the crisis.

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