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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.

DFDSyour view

Side by side

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

	DFDS
Ships	60
CO₂ emitted	2.0 Mt−3.9%
Fuel per mile	129 kg/nm
Average speed	16.3 kn
CO₂ at berth	3.4%
Ships burning LNG	0
Main segment	Ro-ro

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.

Ro-ro

CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 95.2

DFDS76.7 (−19% vs median)
← bettersegment medianworse →

	Ships	Per work	vs median	Fuel kg/nm	Speed kn	Hours at sea	At berth	LNG
DFDS	37	76.7	−19%	120	16.5	5,457	2.0%	–
Segment median		95.2	0%

Ro-pax

CO₂ per transport work (pax) in g CO₂/pax·nm · segment median 567

DFDS1,387 (+145% vs median)
← bettersegment medianworse →

CO₂ per transport work (freight) in g CO₂/t·nm · segment median 253

DFDS94.8 (−62% vs median)
← bettersegment medianworse →

	Ships	Per work (pax)	vs median	Fuel kg/nm	Speed kn	Hours at sea	At berth	LNG
DFDS	23	1,387 94.8 freight	+145% −62% freight	147	15.9	4,772	5.7%	–
Segment median		567 253 freight	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
DFDS	DNV (60)	0%	95%	5%	0%

DFDS: 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
PATRIA SEAWAYS	8917390	Ro-pax	4,557 g CO₂/pax·nm 62.0 g CO₂/t·nm freight	567 253	+705% −75%	15.3	12,885 t	€608k
ATHENA SEAWAYS	9350680	Ro-pax	3,594 g CO₂/pax·nm 61.3 g CO₂/t·nm freight	567 253	+534% −76%	19.9	48,153 t	€2.5m
LEVANTE JET	9722819	Ro-pax	3,314 g CO₂/pax·nm 697 g CO₂/t·nm freight	567 253	+485% +175%	17.1	4,792 t	€26k
OPTIMA SEAWAYS	9188427	Ro-pax	3,241 g CO₂/pax·nm 63.4 g CO₂/t·nm freight	567 253	+472% −75%	18.9	46,696 t	€2.5m
DUNKERQUE SEAWAYS	9293076	Ro-pax	1,769 g CO₂/pax·nm 93.7 g CO₂/t·nm freight	567 253	+212% −63%	15.7	43,531 t	€1.2m
DOVER SEAWAYS	9318345	Ro-pax	1,691 g CO₂/pax·nm 92.2 g CO₂/t·nm freight	567 253	+199% −64%	15.4	42,577 t	€1.2m
VICTORIA SEAWAYS	9350721	Ro-pax	1,691 g CO₂/pax·nm 37.7 g CO₂/t·nm freight	567 253	+198% −85%	19.4	48,366 t	€2.5m
DELFT SEAWAYS	9293088	Ro-pax	1,671 g CO₂/pax·nm 94.8 g CO₂/t·nm freight	567 253	+195% −62%	15.4	42,747 t	€1.2m
AURA SEAWAYS	9851036	Ro-pax	1,612 g CO₂/pax·nm 39.7 g CO₂/t·nm freight	567 253	+185% −84%	19.1	74,247 t	€3.9m
REGINA SEAWAYS	9458535	Ro-pax	1,425 g CO₂/pax·nm 39.7 g CO₂/t·nm freight	567 253	+152% −84%	17.6	34,652 t	€1.8m
COTE D'OPALE	9858321	Ro-pax	1,387 g CO₂/pax·nm 105 g CO₂/t·nm freight	567 253	+145% −59%	13.4	33,948 t	€974k
SIRENA SEAWAYS	9212163	Ro-pax	1,353 g CO₂/pax·nm 47.9 g CO₂/t·nm freight	567 253	+139% −81%	15.5	26,387 t	€1.4m
LUNA SEAWAYS	9851048	Ro-pax	1,304 g CO₂/pax·nm 55.9 g CO₂/t·nm freight	567 253	+130% −78%	16.6	47,969 t	€2.5m
TANGER EXPRESS	9112777	Ro-pax	1,262 g CO₂/pax·nm 170 g CO₂/t·nm freight	567 253	+123% −33%	11.6	13,959 t	€389k
KATTEGAT	9112765	Ro-pax	1,218 g CO₂/pax·nm 138 g CO₂/t·nm freight	567 253	+115% −45%	11.8	13,130 t	€369k
COTE DES FLANDRES	9305843	Ro-pax	1,112 g CO₂/pax·nm 133 g CO₂/t·nm freight	567 253	+96% −47%	14.0	31,781 t	€943k
COTE DES DUNES	9232527	Ro-pax	1,106 g CO₂/pax·nm 131 g CO₂/t·nm freight	567 253	+95% −48%	13.0	30,756 t	€897k
BRITANNIA SEAWAYS	9153032	Ro-ro	187 g CO₂/t·nm	100	+87%	14.8	9,406 t	€365k
COTE D'ALBATRE	9320128	Ro-pax	983 g CO₂/pax·nm 300 g CO₂/t·nm freight	567 253	+74% +19%	14.7	23,033 t	€745k
SCANDIA SEAWAYS	9864681	Ro-ro	74.6 g CO₂/t·nm	49.0	+52%	15.6	28,961 t	€844k
SUECIA SEAWAYS	9153020	Ro-ro	153 g CO₂/t·nm	100	+52%	14.4	23,248 t	€665k
CAESAREA TRADER	9117985	Ro-ro	431 g CO₂/t·nm	297	+45%	9.9	874 t	€17k
PRIMULA SEAWAYS	9259513	Ro-ro	70.0 g CO₂/t·nm	49.0	+43%	17.2	45,914 t	€2.3m
SEVEN SISTERS	9320130	Ro-pax	807 g CO₂/pax·nm 320 g CO₂/t·nm freight	567 253	+43% +26%	14.4	20,792 t	€573k
FREESIA SEAWAYS	9274848	Ro-ro	69.3 g CO₂/t·nm	49.0	+42%	17.9	41,151 t	€1.2m
HOLLANDIA SEAWAYS	9832585	Ro-ro	66.7 g CO₂/t·nm	49.0	+36%	15.5	25,896 t	€697k
FICARIA SEAWAYS	9320568	Ro-ro	66.1 g CO₂/t·nm	49.0	+35%	17.8	37,752 t	€1.1m
ACACIA SEAWAYS	9809112	Ro-ro	133 g CO₂/t·nm	100	+33%	14.6	23,240 t	€642k
TULIPA SEAWAYS	9809100	Ro-ro	131 g CO₂/t·nm	100	+31%	14.6	22,343 t	€613k
MYRA SEAWAYS	9422122	Ro-ro	62.7 g CO₂/t·nm	49.0	+28%	17.2	42,758 t	€1.2m

30 of 62 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.