Active RPS Implementation

Green Tariff Shared Renewables

Senate Bill (SB) 43 enacted the Green Tariff Shared Renewables (GTSR) Program. The GTSR Program is intended to (1) expand access "to all eligible renewable energy resources to all ratepayers who are currently unable to access the benefits of onsite generation," and (2) "create a mechanism whereby institutional customers…commercial customers and groups of individuals . . . can meet their needs with electrical generation from eligible renewable energy resources."

The statute further provides that the GTSR Program should "provide support for enhanced community renewables programs to facilitate development of eligible renewable resource projects located close to the source of demand."

For additional information on the GTSR program, please click here.

RPS Cost Containment

Senate Bill (SB) 1078 (Statues of 2002, Chapter 516, Sher) and SB 107 (Statues of 2006, Chapter 464) established the supplemental energy payments (SEPs) program to contain the total costs of the RPS program.  SB 2 (1X) (Statues of 2011, Chapter 1), modified the statutes such that the Commission was to "establish a limitation for each electrical corporation on the procurement expenditures for all eligible renewable energy resources used to comply with the renewables portfolio standard."  More recently, SB 350 (Statutes of 2015, Chapter 547) revised Section 399.15(c) such that the cost limitation "be set at a level that prevents disproportionate rate impacts."

For additional information on Cost Containment, please click here.

AB 1923

The Bioenergy Market Adjusting Tariff (BioMAT) is a Feed-in Tariff program created by SB 1122 (Rubio, 2012), which added an additional 250 MW of RPS-eligible procurement for small-scale bioenergy projects up to 3 MW.  Modeled after the ReMAT program using a fixed-price standard contract, BioMAT allocates procurement to the distinct bioenergy areas of Biogas, Agriculture, and Forest.

The goal of the BioMAT program is to promote a competitive market with a simple procurement mechanism for bioenergy developer entrants.  On August 28, 2017, the CPUC issued a decision (Decision 17-08-021) implementing a portion of AB 1923 (Wood, 2016), which expanded the eligibility of market participants by allowing a biomass facility of up to 5 MW in nameplate capacity to participate in BioMAT if it 1) complies with CPUC and other interconnection rules; and 2) delivers no more than 3 MW to the grid at any time.  For any additional information on the BioMAT program, please visit the program page here.

RPS Calculator and Integrated Resource Planning (IRP)

The RPS Calculator was used to develop plausible portfolios of renewable resources needed to meet the state's Renewable Portfolio Standard in Future years for the purpose of generation and transmission planning and reducing greenhouse gas emissions.  The role of the RPS Calculator has been replaced by the new Integrated Resource Planning (IRP) process.  For more information on the development of the new IRP process, please see the IRP events and materials page here.


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