GCL

GCL System Integration Technology (GCL SI) is a global Tier 1 solar manufacturer with 35 years of experience in the industry and a fully vertically integrated production chain from FBR granular silicon to finished modules, ensuring full traceability, consistent quality and verified low-carbon performance.

GCL SI’s portfolio includes TOPCon 2.0 and Back Contact technologies that offer flexible high-efficiency solutions for every project. TOPCon 2.0 delivers high power output, strong durability and low-carbon production, ensuring stable operation in diverse climates and demanding conditions. The Back Contact series combines advanced cell design with a refined full black appearance ideal for commercial rooftops and residential systems where aesthetics and performance are equally prioritized.

GCL SI continues to advance Perovskite R&D and has established the first GW-scale production line in the industry, strengthening its role in next-generation high-efficiency solar solutions.

GCL SI is recognized among the Top 8 global module suppliers with a BBB rating in the latest PV ModuleTech assessment. Its ESG performance is reflected in the SA8000 certification as the first in the industry to obtain it, the EcoVadis Silver rating, the CDP B score for climate action and the KIWA PVEL Top Performer 2025 recognition. Together these achievements confirm GCL SI’s position as a trusted partner in the solar industry.