Impact of electric vehicles on a carbon constrained power system—a post 2020 case study

Zhebin Sun, Kang Li, Zhile Yang, Qun Niu, Aoife Foley

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Electric vehicles (EVs) offer great potential to move from fossil fuel dependency in transport once some of the technical barriers related to battery reliability and grid integration are resolved. The European Union has set a target to achieve a 10% reduction in greenhouse gas emissions by 2020 relative to 2005 levels. This target is binding in all the European Union member states. If electric vehicle issues are overcome then the challenge is to use as much renewable energy as possible to achieve this target. In this paper, the impacts of electric vehicle charged in the all-Ireland single wholesale electricity market after the 2020 deadline passes is investigated using a power system dispatch model. For the purpose of this work it is assumed that a 10% electric vehicle target in the Republic of Ireland is not achieved, but instead 8% is reached by 2025 considering the slow market uptake of electric vehicles. Our experimental study shows that the increasing penetration of EVs could contribute to approach the target of the EU and Ireland government on emissions reduction, regardless of different charging scenarios. Furthermore, among various charging scenarios, the off-peak charging is the best approach, contributing 2.07% to the target of 10% reduction of Greenhouse gas emissions by 2025.
Original languageEnglish
Pages (from-to)114-122
Number of pages9
JournalJournal of Power and Energy Engineering
Issue number4
Publication statusPublished - Apr 2015


  • Carbon Emissions, Electric Vehicles, Power System, PLEXOS, Energy Forecasting


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