Austrian cogeneration power plant upgrades with GE gas engines

Austrain cogeneration power plant GE J624 Jenbacher natural gas-fired engines

Energie AG Oberösterreich Wärme Gmbh recently upgraded its district heating facility by replacing the existing steam turbines with three of General Electric (NYSE: GE)’s latest Jenbacher J624 natural gas-fired engine. The plant is the largest cogeneration plant powered by gas engines in Austria.

GE provided the three two-stage turbocharged gas engines to Integral Montage Anlage – und Rohrtechnik Gesellschaft m.b.H. for installation at the plant. Each engine has a 4.4 MW output, and the model is world’s first gas engine with two-stage turbocharging, providing a 45.4 percent electrical efficiency, 43.7 percent thermal efficiency and 89.1 percent overall efficiency, according to GE.

By using the two-stage turbocharger, the J624 gas engine has a 10 percent increase in output, GE stated. The company added the technology offers significant output and efficiency advantages under hot environment conditions and a higher total efficiency for combined heat and power applications.

The engines offer customized hydraulic integration, quick start/stop sequences and automatic control, depending on thermal load, GE stated in a release.

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