ACKNOWLEDGEMENTS This research was funded by the Stadtwerke Rosenheim GmbH & Co. KG and the fund „4th Generation District Heating“, which was provided by the German Federal Office of Economics and Export Control.
With this composition, an overall primary energy factor of 0.09 and a specific CO2 emission factor of 27 g CO2 /kWh th can be reached, while the heat generation costs including funding lie at 12 €ct/kWh th . In contrast to this, network-based heat supply from gas with losses of overall 20 % lies at a primary energy factor of 1.32 and a specific CO2 emission factor of 242 g CO2 / kWh th .
Britta Kleinertz, BKleinertz@FFE.DE www.ffegmbh.de For further information please contact:
OVERALL CONCLUSIONS REGARDING FUTURE ENERGY SUPPLY
The concept of the Heat-Dispatch-Centre was designed for a real case heat supply system. Although the potential of
all renewable heat generation units was investigated, only few sources are available on-site. Moreover, efficiently these mainly provide low temperature heat. In the case study, the implementation of a supply system based on several heat sources (multienergetic) and technologies running simultaneously (multivalent) combined in temperature cascades was mandatory. In order to succeed with the heat transition to a system based on renewables, the same approach is recommendable. This is not only true for provision of domestic thermal energy demand but also for industrial sites.
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