Grid operators and utilities have a double exposure to the increasingly fire-prone environment: grid assets can cause fires and be damaged by them, says columnist Dej Knuckey.

A massive wildfire that Pacific Gas and Electric equipment is suspected of causing exploded overnight and destroyed the historic gold rush town of Greenville.

PG&E said one of its lines may have ignited the 30,000-acre Dixie Fire burning northeast of Paradise, a town destroyed by a PG&E-caused fire three years ago.