This is your house on electrons: Heat pumps electrify the Bay Area kalw.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from kalw.org Daily Mail and Mail on Sunday newspapers.
The Nova Power Bank in Menifee, Calif., will host roughly 2,000 batteries over 43 acres and store enough electricity to power 680,000 homes for up to four hours. The facility is expected to be completed next year.