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Question 1:
I want to buy / install solar PV system but I am in a mobile home, mounted on pier jacks. I am looking for a grid tie system, possibly with energy storage. What is the legality?
Answer 1:
Stationary mobile homes need to meet the same requirements as any other house. The structure needs to be able to support the modules, and the electrical tie-in needs to meet the NEC. I have not had trouble in the past with either on mobile homes.
Please let us know if you need help with your permitting and design, or equipment for your system.
Question 2:
A. What do I have to do to find out if my older metal topped truss roof will work?
B. How much weight does a panel take with all the mounting hardware and rails?
C. What exactly does the NEC say, for example does the mobile home need to be on foundations?
Answer 2:
A. You can either calculate it yourself using the Building code or work with an engineering team, we provide this service if you would like.
B. You can model a system using Unirac's design tool.
C. The National Electric Code would not address the structure. It would address what the main breaker needs to be in relation to the main panel busbar to allow the PV breaker to be energized on the panel, as an example. Again our permitting and design service addresses these concerns.
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