Large-Scale Solar System Costs Across Module Technologies Drop in Q2 2025

Only projects using DCR-compliant mono PERC modules saw system costs go up YoY

September 9, 2025

/ Mercom Research Focus, Solar, Utility Scale,

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The average system cost of large-scale solar projects fell again in the second quarter of 2025, continuing the steady downward trend. Indian TOPCon-based projects remain the most expensive, while Chinese mono PERC projects continue to come in at the lowest cost.

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Shanthi G

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Large-Scale Solar System Costs Across Module Technologies Drop in Q2 2025

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