It represents the biggest changes and challenges for electric systems since the advent of the light bulb, say Ryan and others ...

Investigators are still trying to determine what started a fire that raged through Altadena, Calif. A new video appears to show sparking on a power line near the origin of the blaze.

Bryan Strehl, 26, drove up to Upper Hastings Ranch to survey the familiar area. He was born and raised in Pasadena and ...