Repair work on faulty equipment creates blackout in Southwest

09/19/2011 | Economist (free content), The

A power outage that affected 6 million people in the American Southwest and parts of Mexico was caused when something went wrong with repair work being performed on faulty equipment at a power substation near Yuma, Ariz. Schools, hospitals, factories and airports all shut down, along with more than a dozen other power stations, spurring regulatory bodies to launch an investigation into why such a large part of the energy grid was vulnerable to an equipment failure at a single substation.

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Economist (free content), The

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