Very good advice. But can even happen using licensed contractors: I send an RFP to a PV contractor in MD to install a grid-tied system for us. Proposal and contract came back: used misleading ROI data, failed to address voltage drop issues I had (150' PV to main panel), would not tell us what kind of equipment they would install until after contract signed, would ot link payments to inspections, wanted full payment at installation completion before final inspection and grid-tie, would not tell us expected power at the grid connection point, did not agree to use 2011 NEC, did not provide license info nor insurance or workman's comp data. Result - contract was rejected.
ib March 20 2013, 1:18 am EDT
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