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Fulfilling the electricity demand of electric vehicles in the long term future: An evaluation of centralized and decentralized power supply systems

Brouwer, A. S., Kuramochi, T., van den Broek, M. & Faaij, A., 1-Jan-2013, In : Applied Energy. 107, p. 33-51 19 p.

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  • Fulfilling the electricity demand of electric vehicles in the long termfuture: An evaluation of centralized and decentralized power supplysystems

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DOI

Electric vehicles (EVs) are currently seen as an option for a more sustainable transportation sector, but it is not yet clear how to supply them with electricity whilst striving for low costs and low CO2 emissions. Renewable sources can supply electricity with low emissions, but their penetration rate is still insufficient to meet current demand, let alone the extra demand of EVs. A promising option is supply by Combined Heat and Power (CHP) plants with high combined efficiencies, but an in-depth evaluation of the benefits of combining of EVs and CHP plants is still missing. Therefore, this study evaluates the performance of four different types of CHP plants to power electric vehicles, as compared to use of electricity from the grid. The performance of CHP plants is simulated using detailed datasets of the composition of a future power system, the demand for household electricity and heat, and technical specifications of CHP plants and electric vehicles. We find that the lowest abatement costs of 60-190€/tCO2 are achieved with grid electricity based on a low-carbon electricity mix compared to a business-as-usual electricity mix with marginal emissions of 450-500gCO2/kWh. When electricity is supplied by CHP plants, emissions are -1000 to 400gCO2/kWh, and abatement costs are 165-940€/tCO2. We did not observe added benefits of joint implementation of CHP plants and EVs: the timing of CHP electricity supply and EV electricity demand did not match well, and abatement costs were not lowered.

Original languageEnglish
Pages (from-to)33-51
Number of pages19
JournalApplied Energy
Volume107
Publication statusPublished - 1-Jan-2013
Externally publishedYes

    Keywords

  • Combined Heat and Power, District heating, Electric vehicle, Merit order, System analysis

ID: 125351566