RETC 2026 PV Module Index Highlights Growing Focus on Long-Term Solar Reliability and Risk

Achieving Overall Highest Achiever status for three years or more includes manufacturers like JA Solar, Jinko Solar, LONGi ...
PV Tech

Towards a new desert testing standard for PV modules

The reliable performance of PV modules is heavily influenced by the climate conditions in deserts, which include factors such as irradiance, temperature, humidity and dust soiling. Image: DEWA R&D. A ...
pv magazine International

New research shows correlation between PV module electrode corrosion and damp heat test

A research group in Japan identified a correlation between damp heat test of 1,000 hours to 3–6 years of field exposure in humid areas and changes in acetic acid concentration in photovoltaic modules.
PV Tech

Damp heat and UVID show highest ‘red flag’ rates in 2026 RETC module testing report

Hail durability testing saw a decline in ‘high achiever’ results from 70% to 27% between 2025 and 2026. Image: Marian Heinkel ...