California Code, Public Resources Code - PRC § 25401.2

(a) As part of the report required by Section 25302, the commission shall develop and update an inventory of current and potential cost-effective opportunities in each utility's service territory to improve efficiencies and to help utilities manage loads in all sectors of natural gas and electricity use. The report shall include estimates of the overall magnitude of these resources, load shapes, and the projected costs associated with delivering the various types of energy savings that are identified in the inventory. The report shall also estimate the amount and incremental cost per unit of potential energy efficiency and load management activities. Where applicable, the inventory shall include data on variations in savings and costs associated with particular measures. The report shall take into consideration environmental benefits as developed in related commission and Public Utilities Commission proceedings.

(b) The commission shall develop and maintain the inventory in consultation with electric and gas utilities, the Public Utilities Commission, academic institutions, and other interested parties.