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Life cycle cost of heat supply to areas with detached houses: a comparison of district heating and heat pumps from an energy system perspective
Högskolan Dalarna, Energiteknik; Mälardalen University.ORCID-id: 0000-0002-3630-663X
Högskolan Dalarna, Byggteknik.ORCID-id: 0000-0002-9943-9878
Mälardalens högskola, Akademin för ekonomi, samhälle och teknik.ORCID-id: 0000-0001-9230-1596
2018 (engelsk)Inngår i: Energies, E-ISSN 1996-1073, Vol. 11, nr 12, artikkel-id 3266Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

There are different views on whether district heating (DH) or heat pumps (HPs) is or are the best heating solution in order to reach a 100% renewable energy system. This article investigates the economic perspective, by calculating and comparing the energy system life cycle cost (LCC) for the two solutions in areas with detached houses. The LCC is calculated using Monte Carlo simulation, where all input data is varied according to predefined probability distributions. In addition to the parameter variations, 16 different scenarios are evaluated regarding the main fuel for the DH, the percentage of combined heat and power (CHP), the DH temperature level, and the type of electrical backup power. Although HP is the case with the lowest LCC for most of the scenarios, there are alternatives for each scenario in which either HP or DH has the lowest LCC. In alternative scenarios with additional electricity transmission costs, and a marginal cost perspective regarding the CHP investment, DH has the lowest LCC overall, taking into account all scenarios. The study concludes that the decision based on energy system economy on whether DH should expand into areas with detached houses must take local conditions into consideration.

sted, utgiver, år, opplag, sider
MDPI , 2018. Vol. 11, nr 12, artikkel-id 3266
Emneord [en]
Combined heat and power, District heating, Energy system, Heat pump, Life cycle cost
HSV kategori
Identifikatorer
URN: urn:nbn:se:hig:diva-38343DOI: 10.3390/en11123266ISI: 000455358300027Scopus ID: 2-s2.0-85059252156OAI: oai:DiVA.org:hig-38343DiVA, id: diva2:1649052
Tilgjengelig fra: 2022-04-01 Laget: 2022-04-01 Sist oppdatert: 2023-08-28bibliografisk kontrollert

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Swing Gustafsson, MoaMyhren, Jonn AreDotzauer, Erik

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