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

Sun.store's latest PV Index report found that the PV Purchasing Managers' Index (PMI) increased to 70 in May from 66 in April ...

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

While 19 manufacturers received recognition as high achievers in RETC’s 2026 testing sequences, problems with ...