You've probably heard the ads: "The smart grid is coming." Well, it's here! These trucks were spotted at Cullom and Broadway.
The smart grid is technology that makes it easier for the electric company to find out when there's a power outage and to know where to fix it. Right now they depend on customers to let them know when the lights are out, which is why you need to call 311 when there's a streetlight outage (and there's been a ton this winter). For more about the smart grid, here's an article from the Tribune that does a pretty good job of explaining.