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Wärtsilä Oyj Abp : Wärtsilä to supply large gas fuelled power plant to American utility in state of Oregon

    Wärtsilä Oyj Abp : Wärtsilä to supply large gas fuelled power plant to
                     American utility in state of Oregon

The global trend in power generation is moving towards greater flexibility and
increased efficiency. The natural gas fuelled Wärtsilä 50SG engines offer high
efficiency and the needed operational flexibility to be able to accommodate
and control rapidly changing input levels of renewable energy sources to the
system.



Wärtsilä, a leading global supplier of flexible and efficient power plant
solutions, has received an order to supply the generating sets and related
auxiliary equipment for a new power plant being built near Clatskanie in the
state of Oregon, USA.

The Port Westward Unit 2 plant is being built for Portland General
ElectricCompany,an investor owned utility. It will be powered by 12 Wärtsilä
50SG natural gas fuelled engines with an electrical output of approximately
220 MW, and is scheduled to be fully operational by 2015.

The Wärtsilä 50SG gas engine will allow Portland General Electric to have the
operational flexibility to quickly respond to variable input levels of wind
and hydro power to the system. Flexibility and high net electrical efficiency
are salient features of the Wärtsilä 50SG units.

"The global trend in power generation is clearly moving towards greater
flexibility and increased efficiency, and this order is yet another example.
As utilities continue to integrate increasing levels of renewable power into
their systems, the old traditional power plants are simply not capable of
reacting quickly enough. Additionally, the Wärtsilä gas fuelled solutions
feature low emissions, and this combination of flexibility, efficiency, and
environmental sustainability is very much in demand," says Wayne Elmore,
Regional Director, Power Plants Sales, Wärtsilä North America.

To date, Wärtsilä has delivered power plants to the United States with a total
output of more than 2,000 MW. Wärtsilä has an extensive reference list of
power plant installations in the USA, including recent orders for power plant
projects in Texas, California and Alaska. The Port Westward Unit 2 project and
the power plant in Texas will be the first power plants in the USA using
Wärtsilä 50SG engines.

The Wärtsilä 50SG engine

The Wärtsilä 50SG is a four-stroke, spark-ignited gas engine operating on the
Otto cycle and incorporating the lean-burn principle. It has been designed
using the proven gas technology used in the smaller Wärtsilä 34SG engine. An
important feature of this engine is its exceptionally high power plant net
electrical efficiency rating at high ambient temperatures - more than 50
percent in combined-cycle mode.

The lean-burn gas engines (SG) feature port admission of gas, a pre-chamber
with controlled gas flow, as well as individual cylinder control of the gas
charge and ignition timing. This choice of concept, along with extensive
research in combustion and combustion control, has made it possible to elevate
the efficiency from 40 per cent to more than 48 per cent in the bigger engine
models. The combination of high efficiency and low emissions makes the 50SG a
technology leader in today's energy market.

Read more about Wärtsilä gas engines

Image of Wärtsilä 50SG engine

For further information please contact:

Wayne Elmore
Regional Director, Power Plants Sales
Wärtsilä North America.
Tel. +1678427 0125
wayne.elmore@wartsila.com

Tuula Franck
Senior Manager, Media and Stakeholder Relations
Wärtsilä Corporation
Tel: +358 400 267555
tuula.franck@wartsila.com

Wärtsilä in brief
Wärtsilä is a global leader in complete lifecycle power solutions for the
marine and energy markets. By emphasising technological innovation and total
efficiency, Wärtsilä maximises the environmental and economic performance of
the vessels and power plants of its customers. In 2012, Wärtsilä's net sales
totalled EUR 4.7 billion with approximately 18,900 employees. The company has
operations in nearly 170 locations in 70 countries around the world. Wärtsilä
is listed on the NASDAQ OMX Helsinki, Finland.

www.wartsila.com

Wärtsilä 50SG

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Source: Wärtsilä Oyj Abp via Thomson Reuters ONE
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