(UL: Northbrook, IL) -- Underwriters Laboratories (UL), a provider of safety testing and certification, recently announced the completion of its photovoltaic testing facility expansion in San Jose, California. The expansion has increased testing capacity by more than 40 percent, making it the largest and most comprehensive solar testing laboratory of its kind in North America.

To meet the growing global demand for testing services of new alterative energy technologies, UL has invested heavily in solar and wind energy, as well as new energy efficiency and storage technologies, such as LED and large batteries for electric vehicles. Investments include opening new facilities, standards development, certification schemes, and groundbreaking research.

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