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December 21, 2007

World’s largest gas turbine begins trial operation

This marks the beginning of a planned 18-month trial operation period at the E.ON Irsching 4 power plant

Gerald Ondrey

First firing of the world’s largest and most powerful gas turbine, developed by Siemens (Erlangen, Germany;, was achieved as scheduled on December 20, 2007. This marks the beginning of a planned 18-month trial operation period at the E.ON Irsching 4 power plant near Ingolstadt, Germany. After successful completion of trial operation, Siemens will expand the plant to a high-efficiency, combined-cycle power plant (CCPP) with a total output of about 530 MW and a peak load efficiency of over 60%. Handover of the CCPP to E.ON Kraftwerke, a subsidiary of E.ON Energy, is expected to take place in 2011. E.ON and Siemens are investing a total of approximately 500-million euros in this endeavor.

Dr. Klaus-Dieter Maubach, chairman of the board at E.ON Energie AG, pointed out the significance of further technological development in power generation: “Combating climate change has become one of the cardinal challenges in our business. E.ON is planning investments totaling 60-billion euros by 2010. The major part of this will be in new and environmentally benign generating capacities. The Irsching location is an outstanding example of this: Irsching 4 will achieve an efficiency of over 60%, in itself a quantum leap in power-plant engineering. As a result, this power plant will emit approximately 40,000 m.t./yr of CO2 less than existing plants. In addition, we are investing in the latest technology for our advanced coal-fired power plants now under construction, and also for the renewable energy sector”.

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