Container ship · Singapore flag · built 2011

MAERSK CONGO

IMO 9525340 EU ETS7 reporting years

CO₂ reported 2024: 25,535 t
Fuel burned: 8,198 t
Distance: 58,687 nm
Time at sea: 5,355 h
Emitted at berth: 1% of total
Share of year under way: 61%
Gross tonnage: 50,869

Vessel particulars

IMO number: 9525340
Ship type: Container ship
Gross tonnage: 50,869
Length overall: 249.0 m
Beam: 37.0 m
Year built: 2011
Flag state: Singapore
Builder: HD Hyundai Mipo
Port of registry: Singapore
Technical efficiency (design): EEXI (10.2 gCO₂/t·nm)
Verifier: AMERICAN BUREAU OF SHIPPING HELLENIC SINGLE MEMBER LIMITED LIABILITY COMPANY (ABS HELLENIC S.M. LTD), Greece
Accreditation: 1083-2
Compliance document issued: 2025-09-09
Compliance document expires: 2026-06-30

Flag state is derived from rapportert, not reported directly, and reflects the registry at the time of reporting.

Efficiency against its own type2024

Position 947 of 1,661 qualifying container ships by EEOI, at the 57th percentile. The dashed line is the type median, 15.4; this vessel reported 17.3.

EEOI divides emissions by transport work, which for this vessel and year was 1,478,561,668 tonn-nmover 58,687 nautical miles.

Reported CO₂ by year

Between 2018 and 2024 reported CO₂ rose by 744.4%.

From 2023 to 2024, emissions rose 151.5% while distance sailed rose 132.0%and CO₂ per nautical mile rose 8.4%.That points mainly to how much the vessel sailed, rather than the other.

Annual returns2018–2024

Year	CO₂ (t)	Fuel (t)	Distance (nm)	At sea (h)	At berth (t)	kg CO₂/nm	EEOI	Percentile
2024	25,535	8,198	58,687	5,355	178	435.1	17.3	57
2023	10,152	3,257	25,291	2,351	179	401.4	12.3	33
2022	14,005	4,495	33,734	2,700	213	415.1	12.2	31
2021	8,644	2,771	20,375	1,877	228	424.2	13.6	38
2020	12,193	3,912	20,655	1,606	225	590.3	14.2	43
2019	4,411	1,410	—	650	50	489.0	57.4	not ranked
2018	3,024	971	—	441	48	464.0	33.4	not ranked

Where the 2024 emissions occurred

Methane, nitrous oxide and EU ETS2024

Total CO₂ equivalent: 25,937 t
Methane (CH₄): 0.41 t
Nitrous oxide (N₂O): 1.48 t
Under EU ETS: 15,410 t, 60% of total

Laden voyages2024

CO₂ on laden voyages: 25,357 t, 99% of total
Fuel, laden: 8,142 t
CO₂ per nm, laden: 432.1 kg

The share carried on laden voyages separates productive sailing from ballast legs. For tankers, bulkers and ro-ro vessels that split is the operational question; a low laden share means the ship spent much of the year moving empty.

Sources and how to read this

Emissions: EU MRV publication (THETIS-MRV), reporting years 2018–2024, published by the European Commission.
Vessel particulars: Wikidata (CC0).

What this page is built on

Reporting years: 7
Ranked by efficiency: yes
Vessel particulars: 5 of 5
Movement data: not observed
Name history: none recorded
Photograph: none licensed
Sanctions record: none
Inspection record: none in US waters

Caveats that apply to every vessel page

EEOI above 100,000 is withheld. Those values come from returns where reported transport work is near zero, which makes the ratio meaningless rather than extreme. Median across the dataset is around 12.

Emission categories overlap. In the MRV return, emissions at berth are also counted inside the voyage legs, so the categories do not sum to the total. They are shown side by side rather than stacked for that reason.

Distance is derived, intensity is reported. The MRV return publishes CO₂ per nautical mile but not the distance itself, which is null in all 106,564 rows of the source. The distance column is therefore filled from the ranking step, which reconstructs it, and is blank for years where a vessel was not ranked. That is why a row can show an intensity without a distance.

Percentile is within type and year. It is the vessel's position among qualifying ships of the same type that year, where lower is more efficient. A blank means the vessel did not qualify for ranking that year.

Sister ships share a builder, a type and a build year within two years of this vessel. That holds hull and machinery roughly constant and leaves operation as the variable, which is why they are listed before nearest-by-tonnage.

Methane and nitrous oxide start in 2024. They were not reported before that period, so earlier years cannot be compared against them.

Technical efficiency is a design figure fixed at construction. A vessel can hold a good index and still emit heavily by sailing fast, waiting at anchor or carrying little.

Inspection records cover United States waters only. An empty record is not evidence of a clean history elsewhere.

Empty means unreported, never zero. Nothing here is modelled, estimated or interpolated. See the methodology.

Something wrong on this page? See corrections. We do not hold the source registers and cannot amend them, but we will fix anything we have got wrong in reproducing them.