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Mono PERC vs TOPCon vs thin film — panel technology in plain words

DRAFT — outline only. Do not publish until the figures below are verified. Keep this guide inactive until it is written.

Angle: Demystify the panel-technology jargon a buyer will hear on sales calls.

This guide must answer: - What actually differs between mono PERC, TOPCon and thin film? - Which dominates the DCR residential market now? - Do the efficiency differences matter for a home buyer? - Which should a typical NCR homeowner default to?

Writing rules: answer the question in the first two sentences, put a real number in the opening paragraph, name the specific city or DISCOM where the answer varies, and link to two related guides and the relevant category page.

Verify before publishing: Current tech mix and efficiency ranges available under DCR.

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Last updated 27 July 2026 · Reviewed by the RenSetu team

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