Highest output per sq ft
TOPCon N-Type
₹19,400₹24,00019% Off
Panel specification
| Cell type | N-Type TOPCon, bifacial-ready |
|---|---|
| Efficiency | 22-23% |
| Annual degradation | About 0.4% |
| Product warranty | 15 years |
| Best for | Small roofs, hot sites |
If your roof is small and you want the most units out of it, this is the panel.
TOPCon cells run at 22-23% efficiency, a genuine step above Mono PERC. More usefully for this part of the country, they lose less output as the panel heats up — and a rooftop panel in Nagpur in May is very hot indeed. On paper the gap is a few percent; across an afternoon in peak summer it is larger than that.
They also degrade more slowly. Most panels lose about 0.55% of their output per year; TOPCon is nearer 0.4%. Over 25 years that compounds into a meaningful difference.
It costs more per panel. Worth it when roof space is the constraint, not the budget.
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