PRESS RELEASE Power Generation

Triple technology from Tognum supplies university clinic with heat and power

Posted on April 29, 2010

The specialist for propulsion and power solutions Tognum has recently won an order to supply three combined heat and power (CHP) modules and two standby diesel genset engines to the “Energiezentrale Gießen GmbH” company.

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Am Standort Gießen des Universitätsklinikums Gießen und Marburg kommen erstmals alle drei mtu Onsite Energy-Technologien zur Dauer-, Spitzen- und Notstromversorgung gemeinsam zum Einsatz. Die erdgasbetriebenen BHKWs des Typs GR 385 N5 und die Brennstoffzelle des Typs HotModule HM346 werden kombiniert für die Strom-, Wärme- und Kälteversorgung des Klinikums, die Dieselmotoren in Aggregaten zur Notstromversorgung eingesetzt. Die Fotomontage zeigt die Gesamtanlage inklusive des Neubaus des Klinikums, der im Frühjahr 2011 in Betrieb gehen soll. All three mtu Onsite Energy technologies for continuous, peak and emergency standby power generation will be going into joint operation for the first time on the same site at the Gießen location of the University Clinic of Gießen and Marburg. The natural-gas-powered Type GR 385 N5 CHP modules and the HM346 HotModule fuel cell will be harnessed together to produce electricity, heat and cooling for the clinic whilst the diesel engines will power emergency standby gensets. The photomontage shows the entire complex of facilities including the new clinic building which is scheduled to go into service in spring 2011. JPG, 1 MB

Die drei erdgasbetriebenen BHKWs des Typs GR 385 N5 von mtu Onsite Energy werden zusammen mit der Brennstoffzelle des Typs HotModule HM346 kombiniert für die Strom-, Wärme- und Kälteversorgung am Standort Gießen des Universitätsklinikums Gießen und Marburg eingesetzt. Die Brennstoffzelle übernimmt die Grundlast, die BHKWs werden je nach Bedarf automatisch zu- und abgeschaltet. Zusammen mit den beiden mtu-Dieselmotoren in Notstromaggregaten kommen erstmals alle drei mtu Onsite Energy-Technologien gemeinsam zum Einsatz. Three natural-gas-powered Type GR 385 N5 CHP modules from mtu Onsite Energy are to be combined with an HM346 HotModule fuel cell to provide electricity, heat and cooling at the Gießen location of the University Clinic of Gießen and Marburg. The fuel cell will cover base load requirements with the CHP modules being switched in or off automatically as required. Together with two mtu diesel engines which power the site s emergency standby gensets, this project will see all three mtu Onsite Energy technologies in joint operation for the first time. JPG, 620 KB

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  • First a fuel cell, now combined heat and power modules and diesel engines for emergency standby gensets
  • For the first time all three mtu Onsite Energy technologies integrated on a single site
  • Clean, high-efficiency heat and power from fuel cell and CHP modules

Friedrichshafen, 29 April 2010. The specialist for propulsion and power solutions Tognum has recently won an order to supply three combined heat and power (CHP) modules and two standby diesel genset engines to the “Energiezentrale Gießen GmbH” company. The company, which was founded jointly by Rhön-Klinikum AG and the Stadtwerke Gießen (municipal utility company of the city of Giessen) is to supply the Giessen location of the University Clinic of Giessen and Marburg with power. The clinic had already purchased a fuel cell last year. The mtu  Onsite Energy brand CHP modules will follow in mid-April and are scheduled to go into service in fall 2010. In addition to the CHP modules themselves, the scope of supply also covers machine and process control systems and acoustic enclosures.


At the University Clinic of Giessen and Marburg all three mtu Onsite Energy technologies for continuous, peak and emergency standby power generation will be going into operation for the first time at the same site. The natural-gas-powered Type GR 385 N5 CHP modules and the HotModule HM346 fuel cell will be combined to generate power, heat and cooling for the clinic with the fuel cell covering the base load and the CHP modules being automatically switched in or off as required. The electrical power will be fed into the grid whilst the thermal energy will be used to provide hot water, heating and air-conditioning (via absorption chillers). The overall level of efficiency achieved will be around 90%.


The emergency standby gensets powered by mtu 12V and 20V  4000  G23 diesel engines with an output of 1.42 and 2.2 MW will take over power generation for parts of the clinic if the public supply fails.


The University Clinic Gießen and Marburg GmbH is one of more than 50  hospitals run by Rhön-Klinikum AG, a group of companies which has already purchased three fuel cells and more than ten mtu Onsite Energy brand CHP modules.

Wolfgang Boller Spokesman Regional and Business Media
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