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Solutions

Internal combustion engine technology
for world-class performance

Combined cooling, heating and power

Our combined heat and power (CHP) plants are designed to meet the customer's specific needs, be it steam generation, district heating, hot or chilled water, or a combination of the above. Total plant efficiencies as high as 90% are possible. Our CHP plants can run on a wide range of gaseous and liquid fuels, all the while securing low emissions and high efficiency.

The heat recovery systems used in our CHP plants are of the post engine “hang-on” type, and thus don't directly influence engine performance or operation. The engine will yield the same high electrical efficiency and output, regardless of the rate of heat production.

Depending on the installation specific heating and/or cooling requirements, plant location and the seasonal variations in ambient conditions, the plant can be equipped with standardized heat recovery and chiller solutions, with absorption chillers for heat recovery and electrically driven chillers for covering the peak demands.



  • Kraftwerke Mainz-Wiesbaden AG
    Smart Power Generation in Germany –enabling KMW AG to operate profitably in the increasingly volatile power market and provide climate-friendly district heating to the community

    Kraftwerke Mainz-Wiesbaden AG

  • Cheong Soo, South Korea
    In May 2007, Wärtsilä was awarded a contract from JB Enertek Co., Ltd., South Korea, to deliver engineering and equipment (EEQ) in two phases for a 25.3 MWe combined heat and power plant (CHP). The plant is located in Cheong Soo community in Cheon Ahn City, approximately 100 kilometres south of Seoul, Korea.

    Cheong Soo, South Korea

  • Makuhari, Japan
    The growing demand for natural gas as fuel and the increasing importance of environmental values in Japan have encouraged investments in gas-fired power generation systems. The green point of view has also contributed to the rise of interest towards trigeneration energy sources.

    Makuhari, Japan

  • Sasolburg, South Africa
    "Our old generating equipment was replaced with more efficient units. New power plant technology is used to meet increased demand for electricity. Gas-engine technology allows us to reduce our carbon footprint by more than 40%."

    Sasolburg, South Africa

  • Valkeakoski, Finland
    The energy company Valkeakosken Energia, owned by the City of Valkeakoski in southern Finland, provides its citizens with electricity, district heating and natural gas. When the electricity market was deregulated, Valkeakosken Energia decided to be a proactive participant in the market by investing in its own combined heat and power production to ensure competitive electricity and district heating prices for their customers.

    Valkeakoski, Finland

  • Sweetheart Cup, USA
    Trigen-Cinergy (Trigen) was contracted to provide energy services for Sweetheart Cup in Owings Mills, Maryland. Trigen was expected to provide reliable power at a reduced rate to Sweetheart Cup, so as not to interrupt Sweetheart Cup’s core business concern: to be one of the United States’ largest manufacturers of single-use disposable products for the fold and beverage industry.

    Sweetheart Cup, USA

  • Ringkøbing, Denmark
    Ringkøbing district heating company in Denmark has invested MEUR 4.2 to installing the extremely efficient and flexible Wärtsilä 34SG spark-ignited lean-burn gas engine. This was, at the time of commissioning, also Wärtsilä’s first commercial 20-cylinder gas engine.

    Ringkøbing, Denmark

  • Győrhő, Hungary
    The Győrhő combined heat and power (CHP) plant, which supplies power to the city of Győr in Hungary and heat to the city’s district heating system, is an example of fast-track supply in two phases. The total plant features three Wärtsilä 18V34SG gas engines, which produce an aggregate output of 17 MWth and 18 MWe.

    Győrhő, Hungary



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