Last week, a makeshift bomb was placed near a critical transformer substation in Arizona. The homemade bomb ignited, but it failed to cause an explosion. However, it raised concerns about the vulnerability of the nation’s power grid, and what would happen if the attack had been successful. Experts believe the bomb would have knocked out power to the surrounding region, and the recovery to the transformer would have been lengthy.
It is the third attack on the U.S. power grid in the last year, with earlier events occurring in Tennessee and California. The concern among many is that these attacks are increasing awareness about our grid vulnerability, and it’s only a matter of time before they are successful. To read more about these attacks, see: