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Combined Heat and Power Partnership

Minnesota Interconnection Standards

Date Last Updated8/13/2014
Policy TypeInterconnection Standard
Policy Administrator/Contact OfficeMinnesota Public Utilities Commission (PUC)
Policy Initiation Date9/28/2004
Policy SummaryThe Minnesota PUC has established interconnection standards for systems up to 10 MW, including CHP, which delineate uniform procedures applicable to all investor-owned utilities, municipal utilities and rural electric cooperatives. The PUC has developed streamlined uniform interconnection applications and a process that addresses safety, economics, and reliability issues. The PUC standards contain technical requirements related to engineering studies, mandatory minimum insurance requirements for different sized systems, equipment certification definitions, a dispute resolution process, and standard application fees. The PUC has approved compliance tariffs filed by the state's investor-owned utilities. Municipal utilities and electric cooperatives are required to adopt a tariff that addresses the issues included in the PUC's order.
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 10 MW.
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