A complex network approach for the estimation of the energy demand of electric mobility

M. Mureddu, A. Facchini, A. Scala, G. Caldarelli, A. Damiano

Scientific Reports 8, 268 (2018)

#powergrids#sustainability#infrastructure

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LQ placeholderGeorefenced distribution of average daily power production and estimated EVs electricity demand per each municipality of the case study.

Georefenced distribution of average daily power production and estimated EVs electricity demand per each municipality of the case study.

We study how renewable energy impacts regional infrastructures considering the full deployment of electric mobility at that scale. We use the Sardinia Island in Italy as a paradigmatic case study of a semi-closed system both by energy and mobility point of view. Human mobility patterns are estimated by means of census data listing the mobility dynamics of about 700,000 vehicles, the energy demand is estimated by modeling the charging behavior of electric vehicle owners. Here we show that current renewable energy production of Sardinia is able to sustain the commuter mobility even in the theoretical case of a full switch from internal combustion vehicles to electric ones. Centrality measures from network theory on the reconstructed network of commuter trips allows to identify the most important areas (hubs) involved in regional mobility. The analysis of the expected energy flows reveals long-range effects on infrastructures outside metropolitan areas and points out that the most relevant unbalances are caused by spatial segregation between production and consumption areas. Finally, results suggest the adoption of planning actions supporting the installation of renewable energy plants in areas mostly involved by the commuting mobility, avoiding spatial segregation between consumption and generation areas.

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