1.75 MW DuraTrack HZ™ Tracking System Installed for National Renewable Energy Lab

NREL solar field meets DOE on-site solar generation goals

Albuquerque, NM – 1/14/10 – Array Technologies has announced the completion of a 1 MW system for the National Renewable Energy Lab’s Federal Center Solar Park in Lakewood, CO., bringing the total DuraTrack HZ™ capacity to 1.7 MW for the nation’s primary renewable energy research laboratory. Owned and operated by SunEdison, the energy produced will be sold to Xcel Energy at a levelized cost for the lifetime of the project—enabling NREL to save taxpayers money as utility rates rise.

Array Technologies’ DuraTrack HZ™ tracking system was chosen for its ability to generate up to 25% more energy than fixed-rack installations, as well as for its reliable performance, low installation costs and durability with little to no annual maintenance required. By choosing the DuraTrack HZ™ for its onsite solar facility, NREL recognizes that the system provides the maximum return on investment with its innovative, smart design and robust performance.

With the addition of the 1 MW facility to the existing Mesa Table Top 750 kW system in Golden, CO., the sites help meet the Department of Energy’s goal to have solar generated on-site at all of its facilities. It also provides a unique opportunity to easily study and observe the performance of the DuraTrack HZ™ tracking system in the field.

About Array Technologies

Array Technologies, Inc., provides unequalled expertise in engineering and manufacturing innovative solar tracking systems for utilities, corporations, and small businesses worldwide. Array’s patented tracker designs have established the standard for cost-effective, robust, reliable, and easy to install tracking solutions. Headquartered in Albuquerque, NM, Array Technologies’ trackers are manufactured in the USA..

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 NREL

NREL is the U.S. Department of Energy’s primary national laboratory for renewable energy and energy efficiency research and development. NREL is operated for DOE by The Alliance for Sustainable Energy, LLC.

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