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Impact of electrical vehicle (EV) penetration on the cost-optimal building integrated photovoltaics (BIPV) at a small residential district in Sweden
Dalarna University, School of Technology and Business Studies, Energy Technology.ORCID iD: 0000-0002-2369-0169
2019 (English)In: IOP Conference Series: Materials Science and Engineering, 2019, Vol. 609, no 7, article id 072066Conference paper, Published paper (Refereed)
Abstract [en]

Buildings are transforming into prosumers because of the intensive growth in photovoltaics (PV), electric vehicles (EV) and home batteries. To adapt such transformation trend, this paper optimizes the cost-optimal capacity and positions of building integrated photovoltaics (BIPV) in a small residential district in Sweden, by considering thermal-electricity loads, power sharing among neighbour buildings, and electrical storage. This study focuses on two optimization scenarios with two different objectives: (1) maximizing net present value (NPV) of the BIPV system, and (2) achieving 27% renewable energy sources (RES) (as set by EU Framework for climate and energy).The optimization is performed with varying penetration of EV demand. The results show that: in scenario (1) the increase in EVs enables larger BIPV capacity with slightly improved self-consumption and thus with a little more profit. In scenario (2) however the levelized cost of electricity (LCOE) of the self-consumed electricity sensibly increases with growing presence of EVs, leading to the decreased profit. In conclusion, three main factors were found that are negatively affecting the performance of BIPV in relation to the EVs in the Swedish residential sector: A low electricity price in summer, a prevalence of the EV load at night, and the absence of PV over-production in winter.

Place, publisher, year, edition, pages
2019. Vol. 609, no 7, article id 072066
Series
IOP Conference Series: Materials Science and Engineering, ISSN 17578981
National Category
Civil Engineering
Research subject
Energy and Built Environments
Identifiers
URN: urn:nbn:se:du-31170DOI: 10.1088/1757-899X/609/7/072066Scopus ID: 2-s2.0-85074697345OAI: oai:DiVA.org:du-31170DiVA, id: diva2:1375917
Conference
10th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings, IAQVEC 2019; Bari; Italy; 5 September 2019 through 7 September 2019; Code 153083
Available from: 2019-12-06 Created: 2019-12-06 Last updated: 2019-12-06Bibliographically approved

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Zhang, Xingxing

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Citation style
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