Photovoltaic solar inverters produced in expanded manufacturing plant

Siemens has started production on solar inverters at its expanded manufacturing plant in West Chicago, Ill., which was recently updated. The inverters are slated for commissioning at a major project in October 2011.


Siemens Industry Inc. is celebrating the production of its Sinvert solar inverters at its recently updated manufacturing plant located in West Chicago, Ill. The company invested approximately $10 million upgrading two buildings at the location, one of which will support the growing demand for solar power in the United States. Siemens is currently producing Sinvert PVS inverters in West Chicago to support a 20 MW solar project in the Southwest United States. This multi-million dollar contract was secured in early 2011, with commissioning of the inverters slated for October of this year.

"This is a proud day for Siemens as our West Chicago operations will continue to position the company as a leader within the solar industry, and further support the demand for new, clean sources of energy in the U.S.," said Raj Batra, president, Industry Automation division, Siemens Industry, Inc. "The production of our solar inverters is helping to transform the American manufacturing landscape from one of blue-collar to 'green-collar' jobs."

Siemens' West Chicago manufacturing facilities, comprised of 200,000 square-feet in two buildings, employs 350 people. In addition to producing solar inverters, Siemens also manufactures motor control centers, enclosed motor starters, switchboards and control cabinets at the facilities. Siemens has renovated and modernized both buildings at the location, implementing a number of employee suggestions designed to improve productivity and efficiency.

"Siemens has been committed to the solar industry as early as the 1950s, and now we can better support our customer's need through our local manufacturing combined with our extensive portfolio of products, solutions and services," said Dale Langston, vice president for Siemens Industry's Control Components and Systems Engineering business unit.

Siemens photovoltaic (PV) inverters play a significant role in the generation of solar power. The technology that Siemens is providing takes dc power as input generated from PV-Modules and converts it into ac power, which is then relayed into the power grid. The West Chicago plant is capable of producing inverters with an annual output of approximately 500 MW.

The solar industry is one of the fastest-growing industries in the U.S., surpassing $6 billion in sales in 2010 with more than 2.6 GW of installed solar capacity nationwide.

Siemens Industry Inc.

- Edited by Chris Vavra, Control Engineering,

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