How Rajasthan's climate affects panel choice
High heat and dust mean you want panels with a low temperature coefficient and good low-light performance.
Mono PERC vs polycrystalline vs bifacial
- Mono PERC - best efficiency for limited roof area
- Polycrystalline - budget friendly
- Bifacial - extra generation on reflective rooftops
Wattage and roof area
As a rule of thumb, allow ~70-90 sq ft per kW of shadow-free roof.
Warranties and degradation
Look for a 25-year performance warranty and a low annual degradation rate.
Maintenance in dusty conditions
Regular cleaning keeps output high through the dry season.
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