Solar Encapsulant EVA film is a key material that determines the quality and lifespan of modules. Major application of such film is module encapsulation, during which solar cells are encapsulated and assembled into the space between glass and backsheet. Solar Encapsulant EVA film works to protect solar cells and enhance efficiency of modules.
Estimated based on 173 GW of annual PV demand in 2021 and the share of encapsulant film calculated by CPIA, there were 780,000 MT of EVA resin demand in 2021. Comparing with 730,000 MT of EVA resin supply estimated by InfoLink, last year should see 50,000 MT of EVA shortage. Unspecified POE manufacturer told InfoLink that actual POE (polyolefin elastomers) particle shipment exceeded 200,000 MT, 60,000 MT more than the chart indicates. The extra POE particle can make up for EVA particle shortage.
Solar Encapsulant EVA film output:
2021 saw a peak of capacity expansion in the encapsulant film sector. Including POE encapsulant, total encapsulant capacity could reach beyond 5 billion m2 by the end of 2022, sustaining more than 500 GW of demand. However, actual progress of new capacities coming online is much subject to late commissioning timelines and limited EVA resin supply.
Theoretically, there should be an evident glut of encapsulant production capacity. However, the volume of effective capacity is limited, as subject to short-term raw material supply bottlenecks and limited real demand from the market.
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