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Consequential implications of municipal energy system on city carbon footprints

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Laine, Jani
dc.contributor.author Ottelin, Juudit
dc.contributor.author Heinonen, Jukka
dc.contributor.author Junnila, Seppo
dc.date.accessioned 2017-11-21T13:36:00Z
dc.date.available 2017-11-21T13:36:00Z
dc.date.issued 2017-10-05
dc.identifier.citation Laine , J , Ottelin , J , Heinonen , J & Junnila , S 2017 , ' Consequential implications of municipal energy system on city carbon footprints ' , Sustainability , vol. 9 , no. 10 , 1801 . https://doi.org/10.3390/su9101801 en
dc.identifier.issn 2071-1050
dc.identifier.other PURE UUID: 5131a99f-b377-428d-879e-16f744d9c035
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/5131a99f-b377-428d-879e-16f744d9c035
dc.identifier.other PURE LINK: http://www.scopus.com/inward/record.url?scp=85030623059&partnerID=8YFLogxK
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/15857440/sustainability_09_01801_v2.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/28790
dc.description.abstract Climate change mitigation is an important goal for cities globally. Energy production contributes more than half of the global greenhouse gas emissions, and thus the mitigation potential of local municipal energy systems is important for cities to recognize. The purpose of the study is to analyze the role of local municipal energy systems in the consumption-based carbon footprint of a city resident. The research supplements the previous carbon footprint assessments of city residents with an energy system implication analysis. The study includes 20 of the largest cities in Finland. The main findings of the study are as follows: first, the municipal combined heat and power energy system contributes surprisingly little (on average 18%) to the direct carbon footprint of city residents, supporting some previous findings about a high degree of outsourcing of emissions in cities in developed countries. Second, when indirect emissions (i.e., the implication of a municipal energy system on the national energy system) are allocated to city residents, the significance of the local energy system increases substantially to 32%. Finally, without the benefits of local combined heat and power technology based electricity consumption, the carbon footprints would have increased by an additional 13% to 47% due to the emissions from compensatory electricity production. The results also show that the direct application of consumption-based carbon assessment would imply a relatively low significance for municipal energy solutions. However, with a broader understanding of energy system dynamics, the significance of municipal energy increases substantially. The results emphasize the importance of the consequential energy system implications, which is typically left out of the evaluations of consumption-based carbon footprints. en
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries Sustainability (Switzerland) en
dc.relation.ispartofseries Volume 9, issue 10 en
dc.rights openAccess en
dc.title Consequential implications of municipal energy system on city carbon footprints en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Built Environment
dc.contributor.department University of Iceland
dc.subject.keyword Carbon footprint assessment
dc.subject.keyword Climate change mitigation
dc.subject.keyword Energy systems
dc.subject.keyword Life cycle assessment
dc.identifier.urn URN:NBN:fi:aalto-201711217611
dc.identifier.doi 10.3390/su9101801
dc.type.version publishedVersion

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