Following Tesla 's bid win to build 80 MWh of energy storage for Southern California , 396 lithium ion battery stacks provided by the company went live Monday . Tesla doesn’t say how many cycles that the batteries in its Powerpack systems, which make up the installation, can tolerate before they degrade and reach the end of their useful life. With enough capacity to power 2,500 households for a day , the battery stacks at Southern California 's Point Loma substation will be used to phase out intermittent supply of energy .
Following Tesla 's bid win to build 80 MWh of energy storage for Southern California , 396 lithium ion battery stacks provided by the company went live Monday . With enough capacity to power 2,500 households for a day , the battery stacks at Southern California 's Point Loma substation will be used to phase out intermittent supply of energy .