SunEdison, Inc., a renewable energy development company, develops, finances, installs, owns, and operates renewable power plants to residential, commercial, government, and utility customers. It operates through Renewable Energy Development, TerraForm Power, and TerraForm Global segments. The Renewable Energy Development segment provides renewable energy services that integrate the design, installation, financing, monitoring, operations, and maintenance portions of the renewable energy industry segment. It also owns and operates renewable energy power plants; manufactures polysilicon and silicon wafers; and subcontracts the assembly of solar modules to support downstream solar business, as well as for sale to external customers as market conditions dictate. The TerraForm Power segment owns and operates clean power generation assets that sell electricity through long-term PPAs to utility, commercial, and residential customers based in Organization for Economic Co-operation and Development (OECD) member countries, such as the United States, the United Kingdom, Canada, and Chile. The TerraForm Global segment owns and operates clean power generation assets that sell electricity through long-term PPAs to utility and commercial customers based in specified emerging market countries located in Asia, Africa, Latin America, and the Middle East. The company was formerly known as MEMC Electronic Materials, Inc. and changed its name to SunEdison, Inc. in May 2013. SunEdison, Inc. was founded in 1984 and is headquartered in Maryland Heights, Missouri.