Section 353.9 Of Article 3.5. Distributed Energy Resources From California Public Utilities Code >> Division 1. >> Part 1. >> Chapter 2.3. >> Article 3.5.

. In establishing the rates required under this article, the commission shall create a firewall that segregates distribution cost recovery so that any net costs, taking into account the actual costs and benefits of distributed energy resources, proportional to each customer class, as determined by the commission, resulting from the tariff modifications granted to members of each customer class may be recovered only from that class.