Cal. Gov't Code § 65850.8
(a)
(c) For purposes of this section, the following terms have the following meanings:
(1) “Advanced energy storage” means an energy storage system, as defined in Section 2835 of the Public Utilities Code, as well as an energy storage system that is designed to provide backup energy services in the event of a grid outage, that is limited to both of the following:
(3) “Electronic submittal” means the utilization of one or more of the following: