Nordex installs first N90/2500 in the US

New control technique “Nordex AP” applied for international patents

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new product

Norderstedt (euro adhoc) - The date is set for the beginning of June
2007, when the first N90/2500 HS is due to go on grid in North
America. In Hewitt, Minnesota, one of the most powerful turbines in
the USA will then be producing clean energy. In 2006 the average
capacity of the 1,532 machines installed in the US amounted to around
1.6 MW. The capacity of the turbine now installed by Nordex stands at
2.5 MW. The operator, Wing River Wind LCC, will be feeding the
machine´s annual yield of 8.828 MWh of electricity into the grid
belonging to Minnesota Power. After implementation of this initial
Nordex turbine, 21 additional turbines are planned to be installed in
Minnesota resulting in a wind development with a total installed
capacity of 55 MW which is expected to be operational by 2009.

With the installation of the N90/2500 wind turbine, the Nordex Group
has completed its first project involving a multi-megawatt turbine in
the USA on schedule. This turbine is equipped with state-of-the-art
solutions: among others, the new control technique "Nordex AP" comes
into operation. Two automatic controls - the torque control and the
pitch control - are coupled for improving the control dynamics, for
optimizing the hysteresis behaviour and for covering particular power
optimized operational conditions. For this further development of the
Nordex Control 2 and the converter technology several international
patents have been applied.

Further, a personal hoist makes it possible to reach the nacelle in
comfort, a Condition Monitoring System acts as an early warning
system for all-round protection against unforeseen component wear.
Ice sensors and an automatic fire-extinguishing system round off the
turbine's safety package. The electrical features of the N90/2500 kW
fulfill the local grid connection rules and the turbine is certified
and supplied as a 60 Hz version.

The N90/2500 is a wind turbine that has proved itself in operation,
and which, with a rotor diameter of 90 metres, achieves high yields
across the entire wind spectrum thanks to its designed performance
characteristics. The N90/2500 HS now installed is the basic "high
speed" version for strong-wind locations. In Hewitt the average wind
speed at 80 metres hub height is approx. 8 m/s.

The Nordex N80/N90 series is currently one of the top-selling wind
turbines made by the Nordex Group. The successful installation of the
wind turbine in the USA underlines Nordex´s international strategy to
extend its operations in North America. Here in particular, the high
average wind speeds make the installation of wind parks comprising
large and powerful turbines an attractive investment.

end of announcement euro adhoc 04.06.2007 12:31:19
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ots Originaltext: Nordex AG
Im Internet recherchierbar: http://www.presseportal.de

Further inquiry note:
Ralf Peters
Head of Corporate Communication
Tel.: +49 (0)40 50098 522
rpeters@nordex-online.com

Branche: Alternative energy
ISIN: DE000A0D6554
WKN: A0D655
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