Featured in Trade barriers spoil solar's party – 09-2019

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.

By

Mark Hutchins

16 Sep 2019

JinkoSolar’s Cheetah series wafers measure 158.75 mm². | Image: JinkoSolar

Philipp Matter from GCL Systems Integration says that only a few years ago, he did not have a precise understanding of module dimensions. “They were all the same.” Today, Matter says, things are different. “It’s a bit of a mess, but it’s part of the proceedings and the improvement of technology, so we have to …

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