50 Million People Lost Power During The Great 2003 Northeast Blackout (PHOTOS)

A decade ago, more than 50 million people lost power during the great Northeast Blackout of 2003. An aging electrical grid, a series of technology flaws and a few overgrown trees led to a cascading series of outages stretching from New York City to Ohio and up into Ontario, Canada. Power outages cost the economy between $18 and $33 billion a year, according to a recent report from the Department of Energy. That number can shoot upwards of $75 billion during years with extreme weather events, such as 2012's Superstorm Sandy.



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