Size matters

The latest development on the module front sees manufacturers adopting larger wafer sizes in order to reach the industry’s raised expectations for power output. Older “M2” wafers have been the standard in recent years but now appear to be on the way out. Several theories about optimal size are gaining ground, but the future direction of the standard is still far from clear.

Issue 09-2019

JinkoSolar’s Cheetah series wafers measure 158.75 mm². While others are investing in even larger sizes, the company says this currently represents the best compromise between manufacturing processes and PV module features.

Image: JinkoSolar

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