Complex networks make up US power grid

Steven Weissman interviewed by National Public Radio, August 14, 2013

“From one perspective, there should be zero tolerance for the kind of outage that’s going to create physical and economic inconvenience for people. On the other hand, one major inconvenient episode every 38 or 40 years may not be all that bad. So the question is: how much do you want to spend? What do you want to sacrifice in order to get to a higher level of reliability?”