of power outages are caused by
severe weather (50,000 or more customers).
annually with weather-related
outages accounting for $25 -
$70 billion per year
people on average affected
daily by U.S. power outages.
Weather-related power outages have doubled since 2003.
Totals are greater than 100% because some events fall into multiple initiating-event categories.
Source: Campbell, Richard. United States. Congressional Research Service. Weather-Related Power Outages and Electrical System Reciliency. 2012.