Port Performance and Its Influence on Vessel Operating Costs and Emissions

Livia Rauca (), Catalin Popa, Dinu Atodiresei and Andra Teodora Nedelcu
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Livia Rauca: Faculty for Navigation and Naval Management, Romanian Naval Academy ‘Mircea cel Batran’, 1st Fulgerului Street, 900218 Constanta, Romania
Dinu Atodiresei: Faculty for Navigation and Naval Management, Romanian Naval Academy ‘Mircea cel Batran’, 1st Fulgerului Street, 900218 Constanta, Romania
Andra Teodora Nedelcu: Faculty for Navigation and Naval Management, Romanian Naval Academy ‘Mircea cel Batran’, 1st Fulgerului Street, 900218 Constanta, Romania

Logistics, 2025, vol. 9, issue 3, 1-27

Abstract: Background : Port congestion contributes significantly to operational inefficiency and environmental impact in maritime logistics. With tightening EU regulations such as the Emissions Trading System (EU ETS) and FuelEU Maritime, understanding and mitigating the economic and environmental effects of vessel delays is increasingly critical. This study focuses on a single bulk cargo pier at Constanta Port (Romania), which has experienced substantial traffic fluctuations since 2021, and examines operational and environmental performance through a queuing-theoretic lens. Methods : The authors have applied an M/G/1/∞/FIFO/∞ queuing model to vessel traffic and service time data from 2021–2023, supplemented by Monte Carlo simulations to capture variability in maneuvering and service durations. Environmental impact was quantified in CO 2 emissions using standard fuel-based emission factors, and a Cold Ironing scenario was modeled to assess potential mitigation benefits. Economic implications were estimated through operational cost modeling and conversion of CO 2 emissions into equivalent EU ETS carbon costs. Results : The analysis revealed high berth utilization rates across all years, with substantial variability in waiting times and queue lengths. Congestion was associated with considerable CO 2 emissions, which, when expressed in monetary terms under prevailing EU ETS prices, represent a significant financial burden. The Cold Ironing scenario demonstrated a substantial reduction in at-berth emissions and corresponding cost savings, underscoring its potential as a viable mitigation strategy. Conclusions : Results confirm that operational congestion at the studied berth imposes substantial environmental and financial burdens. The analysis supports targeted interventions such as Just-In-Time arrivals, optimized berth scheduling, and Cold Ironing adoption. Recommendations are most applicable to single-berth bulk cargo operations; future research should extend the approach to multi-berth configurations and incorporate additional operational constraints for broader generalizability.

Keywords: port performance; queuing model; emissions; EU regulations (search for similar items in EconPapers)
JEL-codes: L8 L80 L81 L86 L87 L9 L90 L91 L92 L93 L98 L99 M1 M10 M11 M16 M19 R4 R40 R41 R49 (search for similar items in EconPapers)
Date: 2025
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