Evaluation of Excess Heat Utilization in District Heating Systems by Implementing Levelized Cost of Excess Heat

Borna Doračić, Tomislav Novosel, Tomislav Pukšec and Neven Duić
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Borna Doračić: Faculty of Mechanical Engineering and Naval Architecture, Department of Energy, Power and Environmental Engineering, University of Zagreb, Ivana Lučića 5, 10002 Zagreb, Croatia
Tomislav Novosel: Faculty of Mechanical Engineering and Naval Architecture, Department of Energy, Power and Environmental Engineering, University of Zagreb, Ivana Lučića 5, 10002 Zagreb, Croatia
Tomislav Pukšec: Faculty of Mechanical Engineering and Naval Architecture, Department of Energy, Power and Environmental Engineering, University of Zagreb, Ivana Lučića 5, 10002 Zagreb, Croatia
Neven Duić: Faculty of Mechanical Engineering and Naval Architecture, Department of Energy, Power and Environmental Engineering, University of Zagreb, Ivana Lučića 5, 10002 Zagreb, Croatia

Energies, 2018, vol. 11, issue 3, 1-14

Abstract: District heating plays a key role in achieving high primary energy savings and the reduction of the overall environmental impact of the energy sector. This was recently recognized by the European Commission, which emphasizes the importance of these systems, especially when integrated with renewable energy sources, like solar, biomass, geothermal, etc. On the other hand, high amounts of heat are currently being wasted in the industry sector, which causes low energy efficiency of these processes. This excess heat can be utilized and transported to the final customer by a distribution network. The main goal of this research was to calculate the potential for excess heat utilization in district heating systems by implementing the levelized cost of excess heat method. Additionally, this paper proves the economic and environmental benefits of switching from individual heating solutions to a district heating system. This was done by using the QGIS software. The variation of different relevant parameters was taken into account in the sensitivity analysis. Therefore, the final result was the determination of the maximum potential distance of the excess heat source from the demand, for different available heat supplies, costs of pipes, and excess heat prices.

Keywords: excess heat; levelized cost of excess heat; district heating; CO 2 emissions; heat demand mapping (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (14)

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