Scientists and researchers at NREL, including Timothy Silverman and Elizabeth Palmiotti, are investigating early failure in dual-glass PV modules. Image: Agata ...

“Four years ago, that was at 50% and it’s steadily increased since,” said Tristan Erion-Lorico. Image: Kiwa PVEL. A total of 83% of module manufacturers have had at least one test failure in the Kiwa ...