Who Win the Battle for Industry Standard Wafer Size in the PV Module Manufacturing?

The consecutive unveiling of powerful products by PV module producers shows a clear battle for gaining a greater market share. But the other side of the battle is introducing and specifying the industry-standard wafer size for the solar PV sector. 

At the beginning of the year, Trina Solar uncovered its Vertex module with a total capacity of over 500 watts. Soon after that, Risen Energy, LONGi Solar, Jinko Solar, JA Solar unveiled their products with the same output power range. They have formed the “500+ PV module producer” club. 

As the latest member of the club, Canadian Solar released its HiKu6 model with 590 W power. It is the highest power reported for the module with M10 wafer size so far. M10 wafer size has a 182mm side length. These members reached a consensus on introducing the M10 wafer size to the market. As an early sign of this agreement, LONGi Solar entered its Hi MO 5 model into the mass production. This model was built based on the M10 wafer format.

While some of the PV producers brought together as Photovoltaic Open Innovation Ecological Alliance (POIEA). They include 39 firms in the field of solar PV and aim to steer the industry towards 600W+ solar module technology adoption. It is interesting that several of them were already entered in the 500+ club, such as Trina Solar, JA Solar, and Risen Energy. They have preferred to suggest M12 wafer size with the 210 side length as the industry-standard wafer size.

In spite of all the above-mentioned information, some of them have set plans to introduce modules with 700 W power for the next years. For example, Risen Energy plans to release its 700 W module in 2023.

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