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Shinsung E&G, a solar module manufacturer based in South Korea, has introduced two new series of bifacial solar modules built on n-type tunnel oxide passivated contact cell technology, according to pv magazine. The lineup comprises the SS-JM-TK series intended for ground-mounted installations and the SS-JM-TN series aimed at floating photovoltaic and agrivoltaic applications, with each series offered in three versions rated at 640 W, 645 W and 650 W.
Both series use 156 bifacial monocrystalline cells and deliver conversion efficiencies between 22.89% and 23.25% under standard test conditions. The ground-mounted modules measure 2,465 mm by 1,134 mm by 30 mm and weigh 33.5 kg. The largest unit in that series, the SS-JM650TK, reaches 650 W of maximum power output at 23.25% efficiency, with an open-circuit voltage of 55.71 V and a short-circuit current of 14.52 A.
Under the manufacturer’s bifacial nominal power irradiance conditions, the ground-mounted series produces 700 W to 710 W, with efficiencies of up to 25.40%. The company notes that actual rear-side generation depends on ground reflectivity and installation conditions.
The floating and agrivoltaic modules share the same length and width as the ground-mounted units but carry a thicker 35 mm frame. They also weigh 33.5 kg and provide maximum front-side output of 650 W at efficiencies reaching 23.25%. Under bifacial nominal power irradiance conditions, this series delivers 705 W to 717 W, and the highest-rated model reaches a bifacial-equivalent efficiency of 25.65%.
Both lines feature dual-glass construction with 2.0 mm heat-strengthened glass on the front and rear, an anodized aluminum alloy frame, and an IP68-rated junction box with three bypass diodes. The modules are designed for a maximum system voltage of 1,500 V and operating temperatures from -40 C to 85 C.
According to the manufacturer, the ground-mounted modules carry a maximum power temperature coefficient of -0.34% per degree Celsius, compared with -0.29% per degree Celsius for the floating and agrivoltaic variants. The ground-mounted series is rated for mechanical test loads of 5,400 Pa on the front and 2,400 Pa on the rear, while the floating and agrivoltaic modules carry a 5,400 Pa test-load rating on both sides.
Shinsung E&G offers a 12-year product warranty and a 30-year performance warranty across both series. The company guarantees at least 99% of initial power output after the first year and 87.4% after 30 years, with maximum annual degradation of 0.4%.
In August, the company opened a new 350 MW solar module production line at its Gimje factory in South Korea, lifting the facility’s total capacity to 600 MW. Shinsung E&G said the line would produce n-type modules for projects in the Saemangeum development region, including an 80 MW ground-mounted installation, a further 74 MW project and a 300 MW floating solar facility.
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