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Analysis of future carbon-neutral energy system: The case of Växjö Municipality, Sweden
Heimstaden AB, Sweden. (Group Sustainability Controller)
Linnaeus University, Faculty of Technology, Department of Built Environment and Energy Technology. (Sustainable Built Environment)ORCID iD: 0000-0002-0588-9510
2022 (English)In: Smart Energy, ISSN 2666-9552, Vol. 7, article id 100082Article in journal (Refereed) Published
Sustainable development
SDG 7: Ensure access to affordable, reliable, sustainable and modern energy for all, SDG 13: Take urgent action to combat climate change and its impacts by regulating emissions and promoting developments in renewable energy
Abstract [en]

In line with the Swedish target of carbon neutrality by 2045, the municipality of Växjö in Kronoberg County has set its own target to be carbon neutral in 2030. Currently, the Municipality's partially decentralized energy system relies heavily on interconnected electricity supply from the national grid, and fuels imports from other parts of Sweden. Under this circumstance, several concerns arise, including: in which ways future demand changes induce supply changes, and whether a future carbon-neutral energy system will be less costly in a sustained-electricity supply condition. In this study, techno-economic evaluations are conducted for different carbon-neutral scenarios for Växjö’s future energy system in 2030 and 2050, using an hour-by-hour dynamic energy simulation tool of EnergyPLAN. Projections for the future energy demands for Växjö were developed and modeled, based on the development strategies and on the national sustainable future scenarios in Sweden. Results for the Växjö’s carbon-neutral scenarios showed that the current energy system is sufficient to satisfy future heat demand. However, fulfilling demands of electricity for all sectors and fuels for transport and industry is a challenge. In the short term and at increased energy demand and price, being carbon neutral is technically viable without major changes in energy supply technologies. However, in the long term, investment for intermittent renewable energy resources, together with carbon capture and storage is considered to be viable financially. Therefore, planning for a carbon-neutral Växjö based on local investments showed to be a feasible strategy.

Place, publisher, year, edition, pages
Elsevier, 2022. Vol. 7, article id 100082
Keywords [en]
Carbon-neutral energy system, Carbon capture and storage, Intermittent renewable energy, Future energy supply, Transport electrification
National Category
Environmental Sciences Energy Systems
Research subject
Technology (byts ev till Engineering), Bioenergy Technology
Identifiers
URN: urn:nbn:se:lnu:diva-115786DOI: 10.1016/j.segy.2022.100082ISI: 001033471700005Scopus ID: 2-s2.0-85132536569OAI: oai:DiVA.org:lnu-115786DiVA, id: diva2:1687958
Available from: 2022-08-17 Created: 2022-08-17 Last updated: 2023-11-08Bibliographically approved

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Truong, Nguyen Le

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