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Average emissions and energy use of a container ship in 2016
Container ship, 1 000 TEU CO HC NOx PM CH4 N2O SO2 CO2 CO2e Fuel
consumption
Energy [MJ]
[g/ship km]   437 154 3 785 87 17 4.7 113 186 518 188 346 59 860 2 418
[g/TEU km] 0.67 0.24 5.8 0.13 0.027 0.0072 0.17 287 290 92 3.7
[g/tkm]   0.10 0.034 0.84 0.019 0.0039 0.0010 0.025 41 42 13 0.54
Container
capacity
[TEU]
Power Usage, containers (share of max capacity) Specific consumption
GT DWT Main engines Speed Distance Main engines Aux. engines
[t] [t] [kW] [knots] [km] [%] [g/kWh] [g/kWh]
1 000 10 000 14 000 13 000 19 2 000 65% 205 210
Container ship, 2 000 TEU CO HC NOx PM CH4 N2O SO2 CO2 CO2e Fuel
consumption
Energy [MJ]
[g/ship km]   587 206 5 071 117 23 6.3 151 250 580 253 034 80 396 3 248
[g/TEU km] 0.45 0.16 3.9 0.090 0.018 0.0048 0.12 193 195 62 2.5
[g/tkm]   0.065 0.023 0.56 0.013 0.0026 0.00070 0.017 28 28 8.9 0.36
Container
capacity
[TEU]
Power Usage, containers (share of max capacity) Specific consumption
GT DWT Main engines Speed Distance Main engines Aux. engines
[t] [t] [kW] [knots] [km] [%] [g/kWh] [g/kWh]
2 000 24 000 32 482 17 000 19 2 000 65% 205 210
Emission factors include both directions, thus return trip need not to be calculated
TEU = container unit. 20' container is 1 TEU, 40' container is 2 TEU
Number of conteiners from maximum is 65%, one loaded container (TEU) contains 9 tonnes load on average, share of empty containers is23%.
g/ship km = grams per ship kilometre (the transport of the entire ship over one kilometre)
g/TEU km = grams per container kilometre (the transport of one container unit TEU over one kilometre)
g/tkm = grams per tonne kilometre (the transport of one net tonne over one kilometre)
DWT = deadweight tonnage = the sum of the masses of cargo, fuel, fresh water, ballast water, provisions, passengers and crew
CO = carbon monoxide, HC = total hydrocarbons (including methane CH4), NOx = nitrogen oxides, PM = particulate matter, CH4 = methane, N2O = nitrous oxide, SO2 = sulphur dioxide, CO2 = carbon dioxide, CO2e = equivalentic CO2 (CH4 factor 25, N2O factor 298), MJ = megajoule 
VTT Technical Research Centre of Finland Ltd
LIPASTO unit emissions database
Last updated 6.7.2017