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Methodological framework for assessing the sustainability of electric passenger fleets: Application to the Egadi Archipelago

Author

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  • Balestrieri, Francesco
  • Brusasco, Alessandro
  • Melchiorre, Matteo
  • Bonfanti, Mauro
  • Mauro, Stefano

Abstract

Maritime transport is essential for island communities but remains highly dependent on fossil fuels, posing significant economic and environmental risks, especially in ecologically sensitive regions. This study introduces a novel and adaptable methodology for the preliminary assessment of passenger fleet electrification, using the Egadi Archipelago (Italy) as a case study. A generalisable parametric model was developed to evaluate the techno-economic feasibility and environmental impact of converting the current fast-ferry fleet to battery-electric, hybrid electric-hydrogen, or pure hydrogen propulsion systems. The model estimates energy consumption, emissions, capital investment, and operational costs across long-term planning horizons up to 2050. Findings indicate that electrification can achieve CO2 reductions of 28 % with gray hydrogen and up to 65 % with green hydrogen, alongside operational cost savings between 40 % and 58 % depending on the energy source considered. The analysis also highlights the substantial renewable energy potential within the archipelago, supporting the goal of zero-impact electric fleet operation. This work offers valuable insights for policymakers, naval architects, and operators in advancing sustainable maritime transport in island and coastal regions.

Suggested Citation

  • Balestrieri, Francesco & Brusasco, Alessandro & Melchiorre, Matteo & Bonfanti, Mauro & Mauro, Stefano, 2025. "Methodological framework for assessing the sustainability of electric passenger fleets: Application to the Egadi Archipelago," Applied Energy, Elsevier, vol. 401(PB).
    • Handle: RePEc:eee:appene:v:401:y:2025:i:pb:s0306261925014096
    DOI: 10.1016/j.apenergy.2025.126679
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    References listed on IDEAS

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