Featured in Awarding excellence – 01-2022

pv magazine test: Introduction to LETID testing

Together with our test partners, we have decided to add LETID testing to our set of benchmarking tests for PV modules, as the industry has improved its knowledge about the risks and mitigation of this relatively new mode of PV module degradation. George Touloupas, senior director of solar and storage at CEA, provides an update.

By

pv magazine

12 Jan 2022

Source: CEA

LETID (light and elevated temperature-induced degradation) is a mode of degradation of crystalline silicon PV cells that was identified and researched a few years ago. The initial research was spearheaded by Q Cells, which also coined the term LETID in 2015, with Australia’s University of New South Wales contributing important work on the root …

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