Ron Nichols president of Southern California Edison (SCE), talks during a news conference launching a unique systems combining a hybrid battery and gas turbine to produce and store electricity at the SCE Center Power Plant in Norwalk, Calif., on Monday, April 17, 2017. Nichols said the twin systems that went online March 30 operate somewhat like a hybrid car, drawing first on the battery, then switching over to the gas turbine if power demands spike. (AP Photo/Christopher Weber)
FILE - In this Dec. 2, 2011, file photo, crews from Southern California Edison power company work to clean up and restore power on Live Oak Avenue, in Temple City, Calif. California regulators have proposed a $24.5 million penalty for Southern California Edison after this 2011 windstorm that left more than 400,000 without power and an incident in which three people were electrocuted. (AP Photo/Bret Hartman, File)
Crews from Southern California Edison power company work to clean up and restore power on Live Oak Avenue, Friday, Dec. 2, 2011, in Temple City, Calif. (AP Photo/Bret Hartman)