(a)(1)(A)In addition to the requirements of Sections 2836 and 2838.2, on or before January 1, 2020, the commission shall direct all load-serving entities to procure their proportionate share of a statewide total of 2,000 megawatts of energy storage
systems.
(B)In addition to subparagraph (A), the commission may direct all load-serving entities to procure additional energy storage system capacity to facilitate the state’s ability to meet its energy and climate goals.
(C)The commission shall allocate the 2,000 megawatts required pursuant to subparagraph (A) and any additional procurement authorized pursuant to subparagraph (B) to each load-serving entity based on its prorata share of customer demand as of July 1, 2019.
(2)(A)Each electrical
corporation shall have the right to own and operate energy storage systems at its sole election as follows:
(i)Up to 50 percent of the capacity required pursuant to subparagraph (A) of paragraph (1) allocated to the electrical corporation pursuant to subparagraph (C) of paragraph (1).
(ii)Up to 50 percent of any capacity required by the
commission pursuant to subparagraph (B) of paragraph (1) allocated to the electrical corporation pursuant to subparagraph (C) of paragraph (1) for energy storage systems with an expected commercial operation date of December 31, 2030, or earlier.
(iii)Up to 35 percent of any capacity required by the commission pursuant to subparagraph (B) of paragraph (1) allocated to the electrical corporation pursuant to subparagraph (C) of paragraph (1) for energy storage systems with an expected commercial operation date of January 1, 2031, or later.
(B)Within 90 days of the issuance of an order pursuant to paragraph
(1), if an electrical corporation elects to own and operate a percentage of the energy storage systems pursuant to subparagraph (A), the electrical corporation shall notify the commission of its election.
(C)Community choice aggregators may own and operate energy storage systems following guidelines determined by their local governing boards, consistent with paragraph (5) of subdivision (a) of Section 366.2.
(D)Electric service providers and electrical cooperatives may own and operate all or a portion of the energy storage system allocated to them pursuant to subparagraph (C) of paragraph (1).
(E)The commission shall order all load-serving entities to procure their prorata share of energy storage systems on the same timelines.
(b)The commission shall approve an electrical corporation’s ownership and operation of energy storage systems pursuant to paragraph (2) of subdivision (a) and shall grant cost recovery in rates for any investments in those energy storage systems if all of the following conditions are met:
(1)The electrical corporation competitively sources the energy storage equipment and installation services.
(2)The energy storage systems are
systems connected to the electrical grid in front of the electrical corporation’s customers’ meters.
(3)(A)The electrical corporation has proposed a schedule for competitive solicitations to contract for an equivalent or greater amount of third-party-owned energy storage systems with proposed commercial operation dates in its filing to the commission for cost recovery for energy storage systems owned and operated by the electrical corporations.
(B)The cost recovery mechanism is in the best interest of the ratepayers.
(c)The commission shall expedite review and
approval of contracts for third-party ownership and operation of energy storage systems pursuant to this section through the use of a tier 3 advice letter process.
(d)The commission shall develop and make available to all load-serving entities a cost recovery mechanism that meets all of the following requirements:
(1)It does not unduly shift costs between customers receiving generation services from electrical corporations and those receiving generation services from other load-serving entities.
(2)It can be equally applied to all load-serving entities.
(3)It is transparent.
(4)It is
consistent with paragraph (5) of subdivision (a) of Section 366.2 and paragraph (5) of subdivision (a) of Section 380.
(e)The net costs to an electrical corporation of energy storage systems approved pursuant to this section shall be recovered from all retail end-use customers of the electrical corporation on a fully nonbypassable charge basis in a manner determined by the commission.
(f)For purposes of this section, “load-serving entity” does not include an electrical
cooperative, as defined in Section 2776, if the electrical cooperative has an annual electrical demand of less than 700 gigawatthours, as determined on a three-year average, commencing with January 1, 2013.