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GLOBAL RENEWABLES ONLINE - DECEMBER 2011
A
lstom launches the ECO 122
- 2.7MW wind turbine for
low wind sites
The ECO 122’s leading efficiency and high
yield set a new benchmark for low wind
sites. At a wind speed of 7.5 m/s the turbine
delivers a net wind farm capacity factor of
up to 42%, equivalent to 3,600 full-load hours
each year. Its 122-metre rotor diameter and
swept area of 11,700 m2 – the largest in the 2
MW to 3 MW turbine segment – maximize
the harvest of energy and the return on
investment
to
create
new
business
opportunities for customers from low wind
sites.
Alfonso Faubel, Senior Vice President of
Alstom’s wind business, said: “Research and
innovation are at the heart of our business.
With the ECO 122 and other turbines in our
ECO 100 platform, we’re leading the
development of the new generation of high
power, high-efficiency turbines to increase
value for our customers. Longer blades
capture more power more effectively, and
with its swept area much larger than current
generation machines, the ECO 122 has set a
new standard for low wind sites around the
globe.”
The ECO 122 produces about 25%
increased wind farm yield on a given piece
of land compared with today’s 1.5 - 2 MW
turbines, and fewer turbines need to be
installed. As an example, on a typical low
wind site, six current generation 1.5 - 2 MW
turbines will produce around 40 GWh/year,
compared with more than 50 GWh/year with
only five ECO 122 turbines.
This yield advantage also means
significant capital expenditure savings. An
ECO 122 powered wind farm can reduce
the balance of plant costs by 10-15%, com-
pared with a farm using typical 1.5 - 2 MW
machines, due to fewer foundations, plat-
forms and roads, and less cabling.
The ECO 122 is the latest evolution of
Alstom’s proven ECO 100 turbine platform,
and the result of more than 30 years of
experience in wind turbine design. The ECO
100 platform now has more than 350 MW
installed or under construction worldwide
and over 200,000 cumulative operating hours
since 2008.
All Alstom wind turbines are based upon
the unique and proven ALSTOM PURE
TORQUE® rotor support concept that
protects the drive train from deflection loads,
ensuring higher reliability and lower
maintenance costs.
The first ECO 122 will be installed in mid
2012 with first commercial deliveries
expected in early 2013.
About Alstom’s Wind Business
Alstom designs, assembles and installs a
range of onshore wind turbines spanning
1.67 MW to 3 MW and is currently producing
the Haliade 150-6MW – the first new
generation offshore turbine. The company
has been at the forefront of wind technology
development for the last 30 years with
innovations such as the unique ALSTOM
PURE TORQUE® rotor support concept that
protects the drive train from deflection loads.
Alstom has installed or is installing over
2200 wind turbines in more than 120 wind
farms, corresponding to a total capacity of
over 3000 MW.
Al s tom’ s ECO 122 wind turbine for low wind s i tes ( Image 1) copyr ight © 2011 Al s tom
Indus t r y prof i le:
Al s tom Wind
ALSTOM WIND - WIND
“
Research and innovation are at the
heart of our business. With the ECO 122
and other turbines in our ECO 100
platform, we’re leading the development
of the new generation of high power,
high-efficiency turbines to increase
value for our customers. Longer blades
capture more power more effectively,
and with its swept area much larger than
current generation machines, the ECO
122 has set a new standard for low wind
sites around the globe.
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