E3: Energy+Environmental Economics
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RPS Calculator

E3 developed the Renewable Portfolio Standard (RPS) Calculator on behalf of the California Public Utilities Commission (CPUC) to develop plausible portfolios of renewable resources to meet California's 33% RPS targets by 2020. The model incorporates information about resources contracted to California utilities as well as theoretical potential to develop renewable resources throughout California and the Western Interconnection. The model evaluates candidate resources based on their cost, performance, transmission requirements, environmental and permitting requirements, and value to California electric ratepayers. Multiple portfolios can be developed based on user-specified sort parameters.

E3 first developed the RPS Calculator to support the CPUC's 33% RPS Implementation Analysis. Subsequent versions of the model developed by E3 and modified by CPUC Energy Division staff have been used in the CPUC's Long-Term Procurement Planning proceeding.