Comparative analysis of the district heating systems of two towns in Croatia and Denmark

Dario Čulig-Tokić*, Goran Krajačić, Borna Doračić, Brian Vad Mathiesen, Robert Krklec, Jesper Møller Larsen

*Corresponding author

Research output: Contribution to journalJournal articleResearchpeer-review

25 Citations (Scopus)

Abstract

This paper compares district heating systems in Zagreb and Aalborg in order to see their similarities and differences from which conclusions are drawn on how to improve the systems. The method chosen is the comparative analysis. Data is organized and structured so to allow clear and concise comparison. The results of the comparative analysis show that the district heating system in Aalborg is more advanced than the district heating system in Zagreb. This advantage is prominent in aspects of supply, demand, distribution and economic spheres. Some of the possible improvements include lowering specific heat and water losses. Systematic replacements and refurbishments of the old network pipes are key to this. Lowering the supply and return temperatures would enable better renewable energy sources integration. The integration of renewable energy sources in district heating systems is the most important goal that still needs to be achieved.
Original languageEnglish
JournalEnergy
Volume92
Issue numberPart 3
Pages (from-to)435-443
ISSN0360-5442
DOIs
Publication statusPublished - 2015

Keywords

  • Aalborg
  • Distribution
  • District heating
  • Economics
  • Supply
  • Zagreb

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    Čulig-Tokić, D., Krajačić, G., Doračić, B., Mathiesen, B. V., Krklec, R., & Larsen, J. M. (2015). Comparative analysis of the district heating systems of two towns in Croatia and Denmark. Energy, 92(Part 3), 435-443. https://doi.org/10.1016/j.energy.2015.05.096