California Renewables Portfolio Standard (RPS) 

The California RPS program was established in 2002 by Senate Bill (SB) 1078 (Sher, 2002) with the initial requirement that 20% of electricity retail sales must be served by renewable resources by 2017. The program was accelerated in 2006 under SB 107 (Simitian, 2006), which required that the 20% mandate be met by 2010. In April 2011, SB 2 (1X) (Simitian) was signed into law, which codified a 33% RPS requirement to be achieved by 2020. In 2015, SB 350 (de León, 2015) was signed into law, which mandated a 50% RPS by December 31, 2030. SB 350 includes interim annual RPS targets with three-year compliance periods. In addition, SB 350 requires 65% of RPS procurement must be derived from long-term contracts of 10 or more years. In 2018, SB 100 (de León, 2018) was signed into law, which again increases the RPS to 60% by 2030 and requires all state's electricity to come from carbon-free resources by 2045. SB 100 will take effect on January 1, 2019.  See the Program Overview page for more information

The California Public Utilities Commission (CPUC) implements and administers RPS compliance rules for California’s retail sellers of electricity, which include large and small investor-owned utilities (IOU), public owned utilities (POUs), electric service providers (ESP) and community choice aggregators (CCA). The California Energy Commission (CEC) is responsible for the certification of electrical generation facilities as eligible renewable energy resources, and adopting regulations for the enforcement of RPS procurement requirements of POUs. Additional information pertaining to the CEC’s roles in California RPS program can be found here

 Click here to find contact information for the members of the RPS team. 


Current Renewable Procurement Status

All electricity retail sellers had an interim target between compliance periods to serve at least 27% of their load with RPS-eligible resources by December 31, 2017. In general, retail sellers either met or exceeded the interim 27% target and are on track to achieve their compliance requirements.

California's three large IOUs collectively served 36% of their 2017 retail electricity sales with renewable power. The Small and Multi-Jurisdictional Utilities and Electric Service Providers served roughly 27% of retail sales with renewable power. The Community Choice Aggregators collectively served 50% of retail sales with renewable power. See below for a map of large IOUs RPS projects. The retail sellers utilize a mix of RPS resources such as wind, solar PV, solar thermal, hydroelectricity, geothermal, and bioenergy to meet their renewable procurement targets.  Additional RPS project information for the large IOUs can be found by in the RPS Reports and Data section below.


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