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

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

FREMONT, Calif.--(BUSINESS WIRE)--Jun 2, 2026-

Latest RETC solar module quality report reveals significant issues

Independent testing laboratory RETC has released its 2026 PV Module Quality Index report, a document that contains the results of the company’s module reliability and performance testing, as well as in-depth discussions of factors in the modern solar industry that have led to the outcomes evident in the test results. Major findings include a persistent problem of ultraviolet light-induced degradation (UVID) in solar modules, an increase in failu…

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

Damp heat testing of solar PV modules yielded 11% 'red flag' results in RETC's latest PV Module Index Report.

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 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… The post RETC solar panel report…

RETC 2026 PV Module Index Highlights Growing Focus on Long-Term Solar ...