ECA Fuel-Cost Premium
Quantify the annual fuel-cost premium of trading inside Emission Control Areas (ECAs) compared with HFO operation. Inputs: ECA hours per voyage, voyages per year, fuel consumption rate, HFO and ECA-compliant fuel prices. Outputs: annual ECA fuel mass, premium cost, and premium as a fraction of total annual fuel cost.
Formula, assumptions, and limits
| Symbol | Meaning | Unit |
|---|---|---|
| Annual fuel consumption inside ECAs | t / yr | |
| Voyages per year | voyages / yr | |
| Hours inside ECA per voyage | h / voyage | |
| Hourly fuel consumption at service speed | kg / h | |
| Unit conversion (kg → t) |
Source: IMO MARPOL Annex VI Regulation 14 (sulphur and particulate matter); IMO MARPOL Annex VI Appendix VII (ECA geographical coordinates); IMO Resolution MEPC.366(79) (Mediterranean SECA); Ship & Bunker bunker price service (real-time bunker prices); EMSA THETIS-EU compliance database; DNV Maritime Forecast to 2050 (2025 edition)
In short
Quantify the annual fuel-cost premium of trading inside Emission Control Areas compared with HFO operation. Inputs: ECA hours per voyage, voyages per year, fuel consumption, fuel prices.