Cal. Pub. Util. Code § 399.30
(a)
(b) The governing board shall implement procurement targets for a local publicly owned electric utility that require the utility to procure a minimum quantity of eligible renewable energy resources for each of the following compliance periods:
(c) The governing board of a local publicly owned electric utility shall ensure all of the following:
(d)
(2) The governing board of a local publicly owned electric utility may adopt the following measures:
(h) For a local publicly owned electric utility that was in existence on or before January 1, 2009, that provides retail electric service to 15,000 or fewer customer accounts in California, and is interconnected to a balancing authority located outside this state but within the WECC, an eligible renewable energy resource includes a facility that is located outside California that is connected to the WECC transmission system, if all of the following conditions are met:
(k)
(2) If, during a year within a compliance period set forth in subdivision (b), a local publicly owned electric utility receives more than 40 percent of its retail sales from large hydroelectric generation under an ownership agreement or contract in effect as of January 1, 2018, it is not required to procure eligible renewable energy resources that exceed the lesser of the following for that year:
(l)
(1)
(m) A local publicly owned electric utility shall retain discretion over both of the following:
(o)