HomeShip ScienceSpecialised, ro-ro & passenger typesCalculatorsCable-Layer Fuel & CO₂Cable-Layer Fuel & CO₂Submarine-cable installation vessels. Outside CII scope; per-km-cable-laid intensity serves as the industry benchmark.Ship typeWork boatCable layerOperational yearCable laid / yearkmBusy cable layer 2,000-4,000 km/year.Operating daysdFuelFuelHeavy Fuel Oil (HFO / RME..RMK)Very Low Sulfur Fuel Oil (VLSFO, ≤0.50% S)Ultra Low Sulfur Fuel Oil (ULSFO, ≤0.10% S)Light Fuel Oil (LFO / RMA..RMD)Marine Gas Oil (MGO / DMA, DMZ)Marine Diesel Oil (MDO / DMB)LNG - Otto cycle, medium-speed (4-stroke dual-fuel)LNG - Otto cycle, slow-speed (2-stroke low-pressure)LNG - Diesel cycle, slow-speed (2-stroke high-pressure)LNG - lean-burn spark-ignited (LBSI)LPG - PropaneLPG - ButaneMethanol - grey (natural-gas feedstock)Bio-methanole-Methanol (RFNBO from renewable H2 + captured CO2)Ammonia - grey (steam-methane reforming)Ammonia - blue (SMR + CCS)Ammonia - green (electrolytic, renewable)Hydrogen - grey (SMR)Hydrogen - green (renewable electrolysis)Bio-LNG - Otto cycle, medium-speedBio-LNG - Otto cycle, slow-speedBio-LNG - Diesel cycle, slow-speedBio-LNG - lean-burn spark-ignitedFAME biodiesel (B100, waste feedstock)HVO / Renewable Diesel (waste feedstock)Masst×+ Add fuelAnnual CO₂21,800.8tDaily fuel23.45t/dayCO₂ per km laid7.786t / kmChanging the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.Formula, assumptions, and limitsCO2year=∑jFj⋅Cf,j\text{CO}_2^\text{year} = \sum_j F_j \cdot C_{f,j}CO2year=j∑Fj⋅Cf,jSymbolMeaningUnitFjF_jFjMass of fuel jjjtCf,jC_{f,j}Cf,jCO₂ factort CO₂ / t fuelBench(Cablelaid/year)Bench (Cable laid / year)Bench(Cablelaid/year)operational benchmarkkmdopd_\text{op}dopOperating daysdSource: SubCom - Installation environmental report; IMO MEPC.364(79) - Cf conversion factorsIn shortSubmarine-cable installation vessels.Learn the theory Specialised Ship Types: Ro-ro, Reefer, Heavy-Lift →