IEEE Power & Energy Magazine - September/October 2014 - 77

that the impacts of vLses extend far beyond the electric conditions; it is based on a database maintained by the engrid because of the high level of interdependency among ergy Information administration of the U.s. Department of
infrastructure networks in sectors such as communication, energy (DOe).
Interdependencies among infrastructure components cretransportation, and water supply. Figure 1 illustrates the
growing number of natural disasters in the United states ate the risk of cascading effects during and after a vLse.
that have caused more than a billion U.s. dollars' worth of moreover, utilities investing in the smart grid and moddamages. note that the total social, political, and economic ernization are implementing advanced information techimpacts resulting from a lack of access to electricity could nologies and new media for communication, control, and
exceed these estimated damages.
severe weather is already the
U.S. Billion-Dollar Disasters Counts
leading cause of power outages in
16
the United states, accounting for
14
87% of outages according to the
2013 report of the executive Of12
fice of the U.s. President. a recent
10
congressional study estimates the
8
average annual cost of outages related to severe weather at between
6
Us$25 billion and Us$70 billion.
4
Distribution networks are the most
vulnerable parts of the electric
2
grid. It has been estimated that
0
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
90% of electricity customer outagYear
es in the United states are related
Source: National Climatic Data Center
to distribution network problems.
Figure 2 shows the number of figure 1. The number of natural disasters in the United States with more than a bilpower outages related to weather lion U.S. dollars' worth of damages.
september/october 2014

ieee power & energy magazine

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Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - September/October 2014

IEEE Power & Energy Magazine - September/October 2014 - Cover1
IEEE Power & Energy Magazine - September/October 2014 - Cover2
IEEE Power & Energy Magazine - September/October 2014 - 1
IEEE Power & Energy Magazine - September/October 2014 - 2
IEEE Power & Energy Magazine - September/October 2014 - 3
IEEE Power & Energy Magazine - September/October 2014 - 4
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IEEE Power & Energy Magazine - September/October 2014 - Cover3
IEEE Power & Energy Magazine - September/October 2014 - Cover4
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