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Temperature Coefficient

Raising the temperature on module standards

Scientists in the U.S. laid out the rationale behind new PV module testing specifications published last year, which aim to better take into account the role of temperature in various types of performance loss. They suggest a new ‘98th percentile’ approach to measuring module operating temperatures, which would offer system designers a better understanding of the module’s performance in a particular ‘micro-environment’.

Temperature and the case for bifacial

U.S. scientists have developed a model to predict the performance of bifacial PV at project level. Their results show that when improved temperature sensitivity is properly taken into account, the advantage of bifacial modules could be even larger than previously thought. And for upcoming module technologies like heterojunction in particular, it could mean bifacial is viable in even more parts of the globe.

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