Firstgrreen Technology Review-cadmium telluride (CdTe) PV modules

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PV systems usually include either crystalline silicon (c-Si) or thin-film technologies. Thin film includes an array of advanced materials, such as cadmium telluride (CdTe), which has been installed significantly by Firstsolar in recent years in India for utility scale solar projects. While the selection of modules is largely based on cost and financing consideration, Firstsolar has been successful in installation of Cd-Te modules due to arrangement of low cost financing through USA EXIM Bank. Over 150 MW of Cd Te modules have been installed so fat by FIrstsolar in India.

CdTe has a proven performance advantage over conventional solar modules. Due to a superior temperature coefficient, CdTe responds to sunlight differently than typical crystalline silicon technologies and has less temperature-related losses. As a result, CdTe modules produce more energy than competing solar systems with the same power rating.


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