Officials in California on Tuesday said that wildfires that scorched across northern parts of the state last summer were caused when a tree fell on an electrical line owned by Pacific Gas and Electric Company (PG&E). In a statement, the California Department of Forestry and Fire Protection, or Cal Fire, said that following a “meticulous and thorough investigation,” it had determined that “the Dixie Fire was caused by a tree contacting electrical distribution lines owned and operated by Pacific Gas and Electric (PG&E) located west of Cresta Dam.” Last July’s wildfire, known as Dixie Fire, burned a total of 963,309 acres across the counties of Butte, Plumas, Lassen, Shasta, and Tehama, destroyed 1,329 structures, and damaged 95 additional structures, according to officials. Cal Fire said it had forwarded its report to the District Attorney’s Office in Butte County, where the fire began. The Dixie Fire started on July 13 last year in Feather River Canyon …