Last month, Luminate attended the PV Reliability Workshop (PVRW) and came away with valuable insights on evolving reliability trends across the solar industry.

Key takeaways:

  • Ongoing module quality concerns as cost-cutting raises long-term reliability concerns.
  • A growing disconnect between module field performance and financial model assumptions.
  • Greater cross-industry knowledge sharing is needed to mitigate recurring quality issues, improve standards, and more effectively quantify risk exposures.

A major topic this year was UVID loss in TOPCon modules, with testing showing significant variation across manufacturers. While mitigation efforts are underway, the industry is still in the early stages of addressing this issue.

During the event, Evan Westphal also presented research in a poster titled “A Comparison of PXX Estimation Methods Using Typical-Year and Time-Series Solar Resource Data.”

You can view the full poster here: Luminate’s 2026 PVRW Poster