Samsung Escondido battery array — world’s largest — goes online next month
After racing for months, engineers here in California have brought three energy-storage sites close to completion to begin serving the Southern California electric grid within the next month. They are made up of thousands of oversize versions of the lithium-ion batteries now widely used in smartphones, laptop computers and other digital devices. One of the installations, a 30-mehawatt facility at a San Diego Gas &…