The problematic fairy tale of ‘Peter PAN’ files

The financial risk of investing in photovoltaic systems is increasing. This is because the yield forecasts on which profitability audits are based are increasingly too optimistic. One reason for this could be the handling of so-called PAN files, reports pv magazine Deutschland’s Marian Willuhn.

Issue 04 – 2022
04021_Houser_PVEL_opt

At PV Evolution Labs, modules are “soaked” in light. This allows the testers to find out whether and to what extent the modules are exposed to degradation effects such as LID or LeTID. Appropriate assumptions about degradation are also included in the yield report.

Image: PV Evolution Labs

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