FAIRFIELD-SUISUN, CALIFORNIA Solar panels track the morning sun at Rosamond Central, a newly completed 192-megawatt solar farm developed by Clearway Energy Group in California’s Kern County, on Feb. 4, 2021, with wind turbines in the background.(Gary Coronado/Los Angeles Times/TNS) Joe Biden wants 100% clean energy. Will California show that it’s possible? The undersea power line would run south from San Luis Obispo County hugging the California coast for 200 miles before making landfall in or near Los Angeles. It would be able to carry electricity from a fleet of offshore wind turbines, providing Southern California with clean power after sundown and helping to replace fossil-fueled generators.