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RETC solar panel report shows troubling performance issues

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RETC, part of the VDE Group, has released its 2026 PV Module Index (PVMI) Report, which features 19 solar panel manufacturers earning recognition across multiple testing disciplines and award categories. Thirteen manufacturers achieved Overall Highest Achiever status.

The report provides independent, comparative data on solar PV modules across reliability, performance and quality metrics.

“Certifications require products to meet a minimum baseline standard; however, they do not necessarily address how assets will perform throughout their projected lifetime in the field, specifically in recent years, under increasingly extreme conditions,” said Cherif Kedir, CEO of RETC. “In 2026, solar is now both critical infrastructure and a commoditized product, which makes quality differentiation paramount for long-term reliability, consistency and performance. Stakeholders require more confidence that the products being deployed today will continue performing reliably over decades, especially as new manufacturing scales rapidly and new materials and supply chains hastily enter the market.”

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RETC solar panel report shows troubling performance issues

RETC, part of the VDE Group, has released its 2026 PV Module Index (PVMI) Report, which features 19 solar panel manufacturers earning recognition across

The report is free but does require registration to download, link in the article.

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