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Nordex installs first N90/2500 in the US

Norderstedt (euro adhoc) -

New control technique “Nordex AP” applied for international patents
  ots.CorporateNews transmitted by euro adhoc. The issuer is responsible for
  the content of this announcement.
new product
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

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
Index: CDAX, Prime All Share, Technologie All Share, TecDAX, HDAX,
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Börsen: Frankfurter Wertpapierbörse / regulated dealing/prime
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