Aged national power grid leaves US vulnerable to outages from spring storms

Aged national power grid leaves US vulnerable to outages from spring storms
(Phys.org) —With one storm system moving east from the Great Plains, midwest, and south this week—leaving tens of thousands without power—and yet another storm system expected next week, attention is once again turning toward the vulnerabilities of the nation's power grid. http://phys.org/news/2013-04-aged-national-power-grid-vulnerable.html#nwlt