SunEdison's First Utility Scale Solar Deployment in Texas to be one of the Largest in State

BELTSVILLE, Md., Oct. 7 /PRNewswire/ -- SunEdison, a leading worldwide solar energy services provider and a subsidiary of MEMC Electronic Materials (NYSE: WFR), today announced its first utility scale solar deployment in Texas through a contract with CPS Energy, the nation's largest municipally owned energy utility that services more than one million customers in the San Antonio area.

SunEdison will build, own, and operate three solar generation facilities within the CPS Energy services territory totaling 30 megawatts (AC). The SunEdison facilities will help CPS Energy achieve a renewable energy target of 20 percent of total generation capacity and align with the efforts of the City of San Antonio and CPS Energy to be a leader in renewable energy. Construction is expected to start in 2011.

"We are pleased to provide this long-term, renewable energy solution for our customers," said CPS Energy Chief Sustainability Officer Cris Eugster.  "In addition to helping us meet our goal to provide 100 MW of solar generation by 2020, we're also looking to SunEdison to be a key partner in transforming San Antonio into a national hub for solar energy."

"SunEdison is committed to the growing Texas solar energy market, and we look forward to expanding our utility scale presence in the state in 2011," said Carlos Domenech, President of SunEdison.  "Our development capabilities, financing power and execution track record, enables municipal utilities, like CPS Energy, to benefit from economically viable solar solutions."

About SunEdison

SunEdison is a global provider of solar-energy services. The company develops, finances, installs and operates distributed power plants using proven photovoltaic technologies, delivering fully managed, predictably priced solar energy services for its commercial, government and utility customers. In 2009, SunEdison delivered more kilowatt hours (kWh) of energy than any other solar services provider in North America. For more information about SunEdison, please visit www.sunedison.com.

About MEMC

MEMC is a global leader in the manufacture and sale of wafers and related intermediate products to the semiconductor and solar industries. MEMC has been a pioneer in the design and development of silicon wafer technologies for 50 years. With R&D and manufacturing facilities in the U.S., Europe, and Asia, MEMC enables the next generation of high-performance semiconductor devices and solar cells. Through its SunEdison division, MEMC is also a developer of solar power projects and North America's largest solar energy services provider.

MEMC's common stock is listed on the New York Stock Exchange under the symbol "WFR" and is included in the S&P 500 Index. For more information about MEMC, please visit www.memc.com.

SOURCE SunEdison