ReneSola Ltd is a holding company. The Company is a brand and technology provider of energy-efficient products based in China. The Company's segments include wafer sales, cell and module sales, and solar power projects. The wafer sales segment involves the manufacture and sales of monocrystalline and multicrystalline solar wafers and processing services. The cell and module sales segment involves the manufacture and sales of solar cells and modules. The solar power projects segment involves sales of solar power projects and electricity generation revenue of certain project assets it owns and operates. The Company provides its customers with solar power products and processing services. It provides solar power products to a network of suppliers and customers, which includes manufacturers of solar cells and modules and distributors, installers and end users of solar modules. The Company manufactures solar-grade polysilicon, solar wafers, cells and modules.