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2G Energy AG: Successful commissioning of 3.12 MW CHP system for Merck for production in Darmstadt

August 28, 2014



The natural gas driven system consists of two CHP units each with 1.56 MW electric and 1.58 MW thermal output. The system supplies pharmaceutical production and research at the Darmstadt site with electricity that is fed into the plant grid, as well as with thermal output in the form of heating, and also with cold water through an absorption cooling machine. The 2G system is set up so that it can also be operated as a grid replacement if required, so that if electricity supplies fail, important areas of the Darmstadt company can continue to be supplied with electricity.


With this investment in its own energy centers, Merck, in its own words, is "securing the long-term generation of electricity, heating and cooling for the manufacturing of its pharmaceutical and chemical high-tech products." Merck entrusted 2G with the complete planning of the CHP system, including installation and connecting to the already existing infrastructure for electricity, natural gas and heating, as well as project management. It also included the construction of a 48 meter steel chimney.


Ludger Holtkamp, COO of 2G Energy AG, commented on the project"s model character as follows: "The Merck project is exemplary in showing how CHP systems can offer highly varied thermal output that can be utilized very efficiently by the chemical industry and in the pharmaceutical sector. Economic efficiency is secured through the plant"s demand for electricity, and especially through continuous process heat demand, as well as utilization possibilities for cooling and steam. Total efficiencies of 87 %, as is the case with Merck, or more, are delivered as a consequence. These are significantly higher than is the case with the separate generation of electricity, heating and cooling. This performance level shows that investments in CHP systems remain attractive for many industrial operations, also after the 2014 amendment to the German Renewable Energies Act."


German brewery Krombacher has awarded an order to 2G to supply and install a natural gas driven CHP system with electric output of 2 MW. Along with electricity generation, the brewing company is focusing particularly on the continuous utilization of heating for malt drying and the fermentation process.



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Source: Global Data Point


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