How Vulnerable Is Our Power Grid?

A newly declassified report from the National Research Council analyzes the vulnerabilities of America's electric-power system. Douglas Birch of Foreign Policy explains:

[T]he formerly secret report to the Department of Homeland Security focuses more on the U.S. electric power system's older technology and lack of spare capacity, saying the "physical capabilities of much of the transmission network have not kept pace with the increasing burden that is being placed on it." As a result, it found, sophisticated physical assaults against key facilities could damage difficult-to-replace hardware and cause multiple cascading failures with catastrophic results.

Hurricane Sandy wasn't a "sophisticated physical assault," but it still did the job.

Lessons From the Bridge Collapse in Minneapolis?

I grew up just a few miles from the bridge that collapsed in Minneapolis. We were a family that was terrified of heights. At least once a month, my father would mention how he thought a bridge over the Mississippi was going to collapse. We would be calling him Nostradamus today, except that his doomsday […]