Kosol Energie unveiled its high-efficiency 730 Wp G12 TOPCon solar panel for commercial and utility-scale projects at REI 2025. These panels feature high-transparency glass and POE encapsulants for enhanced durability and light transmission. According to the company, these design enhancements can reduce the bill of materials by 2–3% with an improved overall plant efficiency through higher power output and lower transportation costs due to an optimized design.
The panels are currently under certification process. Commercial production is expected to begin by April or May 2026. The new panels complement Kosol’s existing high-efficiency models, including the 610 W, 620 W, and G12R-based 630 W–640 W panels.
At present, Kosol Energie operates with a module manufacturing capacity of 3 GW, with an actual production output of around 2 GW. The company plans to expand by an additional 6 GW, bringing its total production capacity to 9 GW by late 2026.
Kosol Energie is also foraying into large-scale battery energy storage systems (BESS), with plans to establish initially a 3–3.5 GWh annual production capacity. These container-based systems will cater to utility-scale developers, with individual container capacities ranging from 0.5 MWh to 5 MWh.
The BESS will utilize U.S. technology that Kosol has already implemented in overseas projects. The facility for this production line is currently under civil construction, alongside the 6 GW module expansion.
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