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VDE Americas, RETC introduce solar panel Hail Resiliency Curve test

A new testing protocol measures solar panel resiliency against real-world hailstorm conditions to better defend critical power infrastructur...

September 4, 2025
News KIWA PVEL Load tester
Solar Stress Test: Reliability gaps widen in latest PV module...

Solar modules are cranking out more Watts than ever, but reliability is decreasing. New data from Kiwa PVEL and RETC / VDE Americas show ala...

July 9, 2025
Featured Spontaneous_glass_breakage_DNV-001
Solar module glass is ‘spontaneously breaking’ in the field

Solar module market news is coming fast and furious these days. PV prices have possibly it a floor. A record-setting 11 GW of that new solar...

June 26, 2024
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Benefits (and tradeoffs) of large-format PV modules

This is an excerpt from the Q2 2023 issue of Solar Builder magazine, written by Cherif Kedir, president and CEO at the Renewable Energy Test...

July 18, 2023
Featured in-field solar forensics
The case for in-field forensic analysis of solar asset performance 

In-field forensic investigations are an invaluable performance-risk-mitigation tool.Photo credit: Kingsley Chen, RETC A version of this arti...

September 12, 2022