Canadian Solar Inc. is a solar power company. The Company is a provider of solar power products, services and system solutions with operations in North America, South America, Europe, Africa, the Middle East, Australia and Asia. The Company's segments include Module and system solutions (MSS) segment and Energy segment. The Company designs, develops and manufactures solar wafers, solar cells and solar power products. The module segment primarily involves the design, development, manufacturing and sale of a range of solar power products, including standard solar modules and specialty solar products, and solar system kits. Its energy segment consists of solar power project development, engineering, procurement and construction (EPC) services, and operation and maintenance (O&M) services. Its products include a range of solar modules for use in residential, commercial and industrial solar power generation systems.