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Solar Contractor Licensing

Eligibility 
Installer/Contractor
Savings Category 
Photovoltaics
Solar Water Heat
Program Info
State 
Hawaii
Program Type 
Solar/Wind Contractor Licensing
Provider 
Hawaii Department of Commerce and Consumer Affairs

Hawaii offers several specialty licenses for solar contractors through Hawaii’s Department of Commerce and Consumer Affairs. The following specialty licenses are available: Solar Power Systems Contractor (C-60); Solar Energy Systems Contractor (C-61); Solar Hot Water Systems Contractor (C-61a); and Solar Heating and Cooling Systems Contractor (C-61b). These licenses require business and trade exams plus four years of experience. An Electrical Contractor (C-13) license is required to install photovoltaic systems other than low voltage DC wiring and it includes the work of the C-60 solar power systems contractor. Plumbing contractors (C-37) are also allowed to install solar hot water heating systems.

Note that a Solar Contractor’s license alone does not permit a contractor to install a complete solar energy system and may require that he or she subcontract with Electrical and/or Plumbing Contractors. General engineering contractors ("A" classification) automatically hold the Solar Energy Systems Contractor (C-61) specialty license without having to take a further exam or pay additional fees. For Photovoltaic (PV) systems other than low voltage DC wiring, a licensed electrician must certify that the system and its connections have been properly installed. Solar Water Heating (SWH) systems require the certification of a licensed plumber and, if the system is connected to a back-up energy supply, a licensed electrician. Electrical and Plumbing Contractors may conversely subcontract with Solar Contractors to install components of PV and SWH systems.