Hurricane Sandy left millions along the east coast without power for days, and in many cases, weeks. The storm highlighted our dependence on electricty and exposed the fragility of our power grid, according to Forbes. Even those homes with solar panels were left without power. The New York Times pointed out that "despite the popular perception that installing solar panels takes a home 'off the grid,' most of those systems are actually part of it, sending excess power to the utility grid during the day and pulling electricity back to run the house at night." There are ways to harness solar energy when the grid goes down such as adding batteries to a home system or using the kinds of independent solar generators that appeared in the wake of the storm.
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