California Code, Public Utilities Code - PUC § 2851.1

(a) As used in this section,“discount rate” means a financial mechanism that provides a given amount of interest as an offset to the loss of the time value of money on solar projects that receive performance-based incentives under Section 2851.

(b) Before collecting additional ratepayer funds to fund program shortfalls identified for incentive step levels 8, 9, and 10 for nonresidential solar photovoltaic systems, the commission shall first allocate interest accumulated from customer collections and, for the remainder of the shortfall, increase collections from customers of San Diego Gas and Electric Company, Southern California Edison Company, and Pacific Gas and Electric Company for programs described in paragraph (1) of subdivision (e) of Section 2851.

(c) The discount rate shall be set at 4 percent, unless the commission determines the rate should be reduced.