Replacing your entire roof with solar panels isn’t the best idea. There are two reasons solar panel installers advise against covering an entire roof with solar panels. First, the photovoltaic modules (PV) don’t reach the entire roof, and second, there are energy consumption limitations.
[pdf] To determine if a PV module is affected by PID, it’s possible to perform an I-V curve test or an electroluminescence test. Note that the electroluminescence test only indicates if some cells are underperforming.
[pdf] A typical 5kW residential system ranges from $12,000 to $18,000 USD installed. Wait, no – that's mainland pricing. In Jamaica, you've got to factor in 15-20% higher equipment costs due to import duties.
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