REC ASA - REC solar modules outperform leading ...

Oslo, Norway, September 21, 2009 - REC today announced the results of
a study performed by Fraunhofer Institute, the leading European solar
technology research institute, placing REC solar modules ahead of two
leading module brands in a year-long performance ratio study. The
study was commissioned by REC. The study also demonstrated that REC's
use of the Sunarc* anti-reflective treatment on the module glass
increases energy production.

During a period of 12 months Fraunhofer studied the performance of
two arrays with REC modules, one array with modules from a leading
European producer, and one array with modules from a leading Chinese
producer. During the test, the REC modules recorded a performance
ratio 4.8 percent higher than the Chinese modules and 1 percent
higher than the European modules. "The higher performance ratio
translates into increased production of electricity and additional
money generated for the owner of the system with REC modules", said
Ã…smund Fodstad, VP Sales & Marketing. REC provides a 25-year power
output guarantee on its modules.

The performance ratio is calculated by comparing the nameplate
capacity of a solar module with the actual power output of the
system. Performance ratio is widely considered the best measure of
the quality of a module because all components and their interactions
are taken into consideration.

The Fraunhofer study also demonstrated that REC's use of
anti-reflective treatment on the module glass increases energy
production and performance ratio. The test evaluated two arrays of
identical REC modules, one with anti-reflective treated glass and one
without. The modules with anti-reflective treated glass showed a
higher performance ratio compared to modules with untreated glass.
The anti-reflective treatment reduces the reflectivity of the glass
surface, allowing more sunlight to enter into the solar cells for
conversion to electricity. The treatment has been applied on all
modules manufactured by REC since 2007. "This study confirms that the
anti-reflective treatment of the glass used in the REC modules
contributes to excellent performance in a wide range of sunlight
conditions," Fodstad said. The REC modules are optimized for low
light conditions such as sunrise and sunset, in effect waking up
early in the morning and going to sleep late in the evening.

About REC
REC is the leading vertically integrated player in the solar energy
industry. REC Silicon and REC Wafer are among the world's largest
producers of polysilicon and wafers, respectively, for solar
applications. REC Solar is a rapidly growing manufacturer of solar
cells and modules, and is also engaging in project development
activities in selected segments of the PV market. REC had revenues of
NOK 8 191 million and an operating profit of NOK 2 529 million in
2008. Close to 3 000 employees work in REC's worldwide organization.
See www.recgroup.com for more information about REC.


Media Inquiries
For more information, quotes or photography, please contact Vice
President of Sales & Marketing, Ã…smund Fodstad at + 47 954 23 070, or
[e-mail]

* Sunarc is a registered Community Trade Mark within EC and a
registered trademark in the United States and other countries.


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