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Combined Heat and Power Partnership

California Interconnection Standards

Date Last Updated8/11/2014
Policy TypeInterconnection Standard
State/FederalCA
Policy Administrator/Contact OfficeCalifornia Public Utilities Commission (CPUC)
Policy Initiation Date12/21/2000
Policy SummaryCalifornia's standard interconnection policy, which applies to CHP, is contained in Rule 21. In September 2012, the California Public Utilities Commission (CPUC) approved a proposed settlement of Rule 21, the first redesign of the rule since 2000. Rule 21
CHP Eligibility RequirementsBoth fossil-fueled and renewably-fueled CHP systems are eligible for standardized interconnection.
Eligible Project Size (MW)All sizes are eligible for the standardized procedure.
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