Navalyze

Navalyze · Container · Ship

NAVIOS CONSTELLATION

IMO
9408877
Type
Container ship
Average cargo carried
84,261 t
Port of registry
Monrovia
Technical efficiency
EEXI 10.80 g CO₂/t·nm

ISM company (DoC holder) in 2025: G-Marine Service Co Ltd

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2025 at a glance

From the 2025 THETIS-MRV report. Carries about 84,261 t of cargo on average.

Fuel per mile
258.0 kg/nm
Container median 177.0 kg/nm (+46%)
CO₂ per transport work (cargo)
9.70
g CO₂/t·nm · Container median 16.30 (−40%)
Average speed
10.3 kn
Container median 13.3 kn (−23%)
Fuel per day at sea
63.6 t/day
Fuel consumed
496 t
CO₂ emitted
1,571 t
1,595 t CO₂eq incl. CH₄ and N₂O
Distance sailed
1,922 nm
CO₂ ÷ CO₂ per mile
Time at sea
187 h
8 days, 2% of the year

Within the container fleet, 2025

Set against all 2,208 container ships with a full-year 2025 report. Bigger ships burn more per mile but less per tonne of cargo, so read fuel per mile with the ship's size in mind.

Fuel per mileThis ship 258.0 kg/nm · median 177.0 (+46%)
78.8Ranks 1,722 of 2,208, lowest first302.4
Average speedThis ship 10.3 kn · median 13.3 (−23%)
9.1Faster than 17% of container ships16.0
CO₂ per transport work (cargo)This ship 9.70 g CO₂/t·nm · median 16.30 (−40%)
7.22Ranks 541 of 2,208, lowest first46.89
Middle 80% of shipsMiddle 50%Container medianThis ship

Where the emissions happen, 2025

THETIS splits each ship's CO₂ by voyage type. The split sets how much falls under the EU ETS: all of it within the EU and at berth, half of it on voyages into or out of the EU.

  • Between EU ports26%
  • From the EU5%
  • Into the EU49%
  • At berth in the EU19%

73% of this ship's CO₂ falls under the EU ETS (1,143 t).

Fuel burned laden
–
Not reported
CO₂ at berth
19.3%
Alongside in EU ports
Methane (CH₄)
0.0 t
Mainly from LNG; small for oil
CO₂eq ÷ CO₂
1.015
Uplift from CH₄ and N₂O, counted in full from 2026

Over the years

Full-year reports only. The Container median is the middle ship of all container ships reporting that year; it moves with the fleet, so a ship can gain on it without changing itself.

Fuel per mile, kg/nm

  • NAVIOS CONSTELLATION
  • Container median

Average speed, kn

  • NAVIOS CONSTELLATION
  • Container median

CO₂ per transport work (cargo), g CO₂/t·nm

  • NAVIOS CONSTELLATION
  • Container median

Year on year

YearSpeedFuel per mileFuel per dayDistanceCO₂ per TWReading
2024→2025−5.3 kn+1%−33%−94%−2%5.3 kn slower, fuel per mile flat; worse than speed alone explains (fouling, weather, loading or trade).
2023→2024+5.6 kn+33%+108%+1,206%+26%5.6 kn faster, fuel per mile up 33%; better than speed alone explains (hull, engine or trade).
2019→2023−3.3 kn−36%−52%−72%−43%3.3 kn slower, fuel per mile down 36%; worse than speed alone explains (fouling, weather, loading or trade).

Fuel per mile rises roughly with the square of speed for a given ship, so a change in speed explains much of a change in fuel per mile.

Every reporting year

One row per THETIS-MRV report. A ship that changed operator during a year has a part-year report for each.

Operation

YearISM companyFuel tCO₂ tDistance nmAt sea hSpeed knFuel kg/nmCO₂ g/t·nmLaden fuel
2025G-Marine Service Co Ltd4961,5711,92218710.3258.09.70–
2024G-Marine Service Co Ltd8,27225,78532,4712,07615.6254.89.94–
2023not published4771,4882,48625010.0191.97.88–
2019not published2,7088,4339,02667713.3300.013.75–

Benchmark and verification

YearISM companyCO₂ per TW, g CO₂/t·nmContainer medianvs ContainerRankVerifierMethods
2025G-Marine Service Co Ltd9.7016.30−40%541 of 2,208Korean RegisterC
2024G-Marine Service Co Ltd9.9417.52−43%450 of 1,974Korean RegisterC
2023not published7.8819.40−59%235 of 1,899Korean RegisterC
2019not published13.7518.88−27%551 of 1,788Korean RegisterC

Fuel per mile and CO₂ per tonne-mile are the ship's own reported KPIs. Container ships are benchmarked on CO₂ per transport work (cargo) (TW), in g CO₂/t·nm. CO₂eq adds methane and nitrous oxide and is in the public files from 2024. Rank counts from the lowest figure among that year's container ships. Methods: A delivery notes, B tank monitoring, C flow meters, D direct measurement. FuelEU GHG intensity is not shown: it needs fuel types, which the public file does not carry. Operators are named only from 2024, the first year the public files carry them; earlier years belong to the ship, not to any company.