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Compare operators, 2025

Pick a company or group, then the competitors to hold it against, or compare verifiers. Every figure comes from the public THETIS-MRV reports for EU and EEA voyages.

Maersk Line, Limited-USAyour view

Side by side

All 2025 reports of each operator, across every ship type. Change is against 2024 where the operator reported then.

	Maersk Line, Limited-USA
Ships	16
CO₂ emitted	292 kt−65.4%
Fuel per mile	182 kg/nm
Average speed	15.5 kn
CO₂ at berth	1.5%
Ships burning LNG	0
Main segment	Container

Fuel per mile and speed depend on ship size and type; compare them within a segment below.

Segment by segment

Efficiency only compares within a ship type. Each row gives the CO₂ per transport work of an operator's typical (median) ship, and the bar sets it against the typical ship of the whole segment: to the left of the line it emits less CO₂ for the same transport work, to the right more.

Container

CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 16.3

Maersk Line, Limited-USA14.2 (−13% vs median)
← bettersegment medianworse →

	Ships	Per work	vs median	Fuel kg/nm	Speed kn	Hours at sea	At berth	LNG
Maersk Line, Limited-USA	13	14.2	−13%	182	15.5	2,583	1.5%	–
Segment median		16.3	0%

Verification and monitoring

Who verifies each operator's reports, and which MRV methods its ships use to measure fuel (share of reports).

	Verifiers (ships)	A · delivery notes	B · tank monitoring	C · flow meters	D · direct
Maersk Line, Limited-USA	ABS (13), Lloyd's Register (3)	0%	0%	100%	0%

Maersk Line, Limited-USA: ships furthest from their peers

Each ship's CO₂ per transport work against the median ship of its type and size band. +100% means the ship emits twice as much CO₂ for the same transport work as a typical ship of its size. Ro-pax ships show passenger figures, with freight underneath.

Ship	IMO	Segment	CO₂ per transport work	Size-band median	vs median	Speed kn	CO₂	Allowances
MAERSK OHIO	9298698	Container	18.0 g CO₂/t·nm	14.4	+25%	14.9	39,176 t	€992k
MAERSK MONTANA	9305312	Container	17.7 g CO₂/t·nm	14.4	+23%	15.2	40,786 t	€1.0m
MAERSK KANSAS	9311701	Container	17.1 g CO₂/t·nm	14.4	+19%	15.3	39,703 t	€982k
MAERSK IOWA	9298686	Container	16.5 g CO₂/t·nm	14.4	+15%	15.3	33,437 t	€840k
MAERSK DENVER	9332999	Container	11.8 g CO₂/t·nm	10.3	+15%	17.0	4,300 t	€113k
MAERSK SELETAR	9315197	Container	11.5 g CO₂/t·nm	10.3	+12%	16.3	5,409 t	€142k
MAERSK TENNESSEE	9314210	Container	15.2 g CO₂/t·nm	14.4	+6%	16.1	37,568 t	€992k
MAERSK DURBAN	9299044	Container	23.3 g CO₂/t·nm	22.2	+5%	12.8	7,176 t	€223k
MAERSK CHICAGO	9332975	Container	10.5 g CO₂/t·nm	10.3	+2%	17.6	9,568 t	€252k
MAERSK COLUMBUS	9332987	Container	14.2 g CO₂/t·nm	14.4	−1%	15.6	42,708 t	€1.2m
MAERSK HARTFORD	9333008	Container	10.0 g CO₂/t·nm	10.3	−3%	16.6	15,494 t	€408k
MAERSK PITTSBURGH	9342176	Container	9.5 g CO₂/t·nm	10.3	−8%	17.0	9,012 t	€237k
MAERSK KENSINGTON	9333010	Container	9.0 g CO₂/t·nm	10.3	−12%	17.0	7,973 t	€210k

30 of 16 reports shown. A high ratio can mean an older or faster-sailing ship, short trades with much time manoeuvring, or part-loaded voyages; it marks where to look first.

Notes

Companies are ISM companies (Document of Compliance holders) as named in THETIS, usually the ship manager.
Groups combine ISM companies matched on name and known ownership. If a company is in the wrong group, tell us at info@navalyze.com.
Efficiency figures use full-year reports with fuel; totals include part-year reports.
Euro figures use the EUA price set at the top of the page.
Verifier names vary by entity and year (for example DNV AS and DNV Hellas); they are rolled up into one brand. A verifier's figures cover the ships whose 2025 report it verified.