In Del Norte, Colo., Public Works Supervisor Kevin Larimore shows off solar panels that provide electricity for the town's water supply. Despite generating its own solar energy, the town is still at risk of a blackout if its main power line goes down. Dan Boyce/Inside Energy hide caption

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Dan Boyce/Inside Energy

When The Power's Out, Solar Panels May Not Keep The Lights On

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Part of the Robert Moses Niagara Power Plant in Lewiston, N.Y., is seen from the air on Aug. 14, 2003, during a massive power outage that stretched from New York to Detroit and into Canada. David Duprey /AP hide caption

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David Duprey /AP

The Next Disaster Scenario Power Companies Are Preparing For

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A street light and utility pole brought down by Hurricane Sandy lay on the street in Avalon, N.J. About 2.5 million customers had no power Tuesday in New Jersey. Mark Wilson/Getty Images hide caption

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Mark Wilson/Getty Images