Individual company presentation

3SUN

3SUN, the solar cell and module factory located in Catania, Italy, is the largest Gigafactory in Europe and a technological excellence in the country. It is currently producing HJT solar modules panels and aims to reach full annual production of 3 GW, equivalent to about 15,000 solar modules per day. As of today, it employs around 600 people, and expects to create a further 2,000 direct and indirect jobs in Sicily.

Inaugurated in July 2011, it has begun production of thin-film modules using multi-junction technology. In 2018, the first bifacial heterojunction (HJT) panel was produced, and in 2020, it achieved records for efficiency from serial products (24.6%), laboratory (25%), and bifaciality coefficient (95%).

The modules use 3SUN CORE-H® technology, which combines crystalline silicon with amorphous silicon layers to maximise energy extraction from light:

• 3SUN B60 bifacial module for the utility-scale and commercial/industrial segments, of particular interest to the Italian market with the Transition 5.0 Plan;
• 3SUN B48 is a product, currently under development, which is expected to be launched in the second half of 2025. It maintains all the efficiency features of the B60 module, but in a smaller format that facilitates its adoption.

At 3SUN, ‘Tandem’ technology is also being developed with CEA - INES, which combines heterojunction and perovskite.

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Floorplan Booth

A3.380