Bifacial drives encapsulant switch

Suppliers of encapsulant materials – plastic sheets that are heated to laminate together the components in PV module stacks – are rapidly expanding to keep pace with module manufacturing in Asia and other parts of the world. Ethylene-vinyl acetate (EVA) continues to dominate the market, but new developments in module technology are driving a slow shift to more costly polyolefins.

Issue 03–2021
Quentys BPO film

Quentys BPO film is more expensive than EVA encapsulant, but Borealis says it has been shown to improve module performance, both in accelerated testing and in the field.

Image: Borealis

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