Calls to transition the troubled Pacific Gas and Electric Co. into a public utility intensified Sunday, as nearly 1 million customers lost power throughout California and the Kincade Fire blazed through Sonoma County. A day earlier, Gov. Gavin Newsom told Bloomberg he would encourage Warren Buffett’s Berkshire Hathaway to make a bid for PG&E. “We would love to see that interest materialize, in a more proactive, public effort,” he said Saturday. Berkshire Hathaway’s energy subsidiary is heavily invested in the utility business, in California and elsewhere. It owns multiple solar farms, including a 550-megawatt facility in San Luis Obispo County...