Here's Why the Lights Went Out in New Orleans: The Super Bowl | Gawker

The AP reports a joint statement from Entergy New Orleans, which provides power to the stadium, and Superdome operator SMG  …
A piece of equipment that is designed to monitor electrical load sensed an abnormality in the system," the statement said. "Once the issue was detected, the sensing equipment operated as designed and opened a breaker, causing power to be partially cut to the Superdome in order to isolate the issue. ... Entergy and SMG will continue to investigate the root cause of the abnormality.
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