California Code, Public Utilities Code - PUC § 662

(a) On or before January 1, 2026, in a new or existing proceeding and following recommendations from each gas corporation and the opportunity for public comment, the commission shall designate priority neighborhood decarbonization zones. In designating the zones, the commission shall consider factors that include, but are not limited to, all of the following:

(b) The commission shall coordinate with relevant agencies to identify nonratepayer funding, such as state and federal funds, that may be used to execute pilot projects in priority neighborhood decarbonization zones that would be cost effective with supplemental nonratepayer funding.

(c) If pilot projects for zero-emission alternatives pursuant to Section 663 are implemented in a priority neighborhood decarbonization zone, the commission may direct gas corporations and electrical corporations, if appropriate, to leverage other available programs, including, but not limited to, energy efficiency, low-income weatherization, and distributed generation programs.

(d) The commission may, after providing an opportunity for public comment, update the priority neighborhood decarbonization zones as necessary.