Photovoltaic systems must be installed per manufacturers’ instructions which may include specialized training. The state of Michigan electrical licensing law, 1956 PA 217, MCL 338.887, sections 7(1) and 7(2) require persons performing electrical wiring to be properly licensed in accordance with the act except those exempted under section 7(3).
When solar equipment is installed as a heating element a mechanical contractors license is required in accordance with the state of Michigan Forbes Mechanical Contractors Act, 1984 PA 192, MCL 338.977, section 7(1).
A sales tax license may also be required. You may call the Michigan Department of Treasury at (517) 636-4660.
Personalized sales tax returns and a payment schedule will be mailed within four to six weeks after the registration has been processed. If you have questions about this process, please call the Michigan Department of Treasury at (517) 636-4730.
Michigan Electrical Code (MEC) Part 8 rules which adopts by reference the 2011 NFPA70/NEC with modifications.
A mechanical permit is required for the installation or alteration of systems using solar energy as a heating source. An electrical permit is required when performing electrical wiring.