It wasn't Beyonce's electrifying halftime performance, according to Doug Thornton, manager of the state-owned Superdome, since the singer had her own generator. And it apparently wasn't a case of too much demand for power. Meters showed the 76,000-seat stadium was drawing no more electricity than it does during a typical New Orleans Saints game, Thornton said.

The lights-out game Sunday proved an embarrassment for the Big Easy just when it was hoping to show the rest of the world how far it has come since Hurricane Katrina in 2005. But many fans and residents were forgiving, and officials expressed confidence that the episode wouldn't hurt the city's hopes of hosting the championship again