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Combined Heat and Power Partnership

Washington Interconnection Standards

Date Last Updated8/13/2014
Policy TypeInterconnection Standard
State/FederalWA
Policy Administrator/Contact OfficeWashington Utilities and Transportation Commission (UTC)
Policy Initiation Date4/6/2006
Policy SummaryThe UTC adopted interconnection standards for distributed generation (DG) including CHP systems up to 20 MW in capacity. The standards provide for two separate levels of interconnection based on system capacity. The first level applies to systems up to 30
CHP Eligibility RequirementsBoth fossil-fueled and renewably-fueled CHP systems are eligible for standardized interconnection.
Eligible Project Size (MW)Standardized interconnection applies to systems up to 20 MW.
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