Navalyze · Ro-ro · Ship

PETUNIA SEAWAYS

IMO: 9259501
Type: Ro-ro ship
Average cargo carried: 4,108 t
Flag (estimated): Denmark
Port of registry: Copenhagen
Technical efficiency: EEXI 13.20 g CO₂/t·nm

ISM company (DoC holder) in 2025: DFDS A/S · part of DFDS

Report year

2021 at a glance

From the 2021 THETIS-MRV report. Carries about 4,038 t of cargo on average.

Fuel kg/nm

135

Ro-ro median 109 kg/nm (+24%)

CO₂ per transport work (cargo)

105

g CO₂/t·nm · Ro-ro median 104 (+1%)

Average speed

17.4 kn

Ro-ro median 14.8 kn (+18%)

Fuel per day at sea

56.4 t/day

Fuel consumed

12,563 t

CO₂ emitted

39,251 t

Distance sailed

92,812 nm

CO₂ ÷ CO₂ per mile

Time at sea

5,344 h

223 days, 61% of the year

Within the ro-ro fleet, 2025

Set against all 235 ro-ro 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 kg/nmThis ship 127 kg/nm · median 105 (+21%)

56.6Ranks 169 of 235, lowest first145

Average speedThis ship 16.7 kn · median 14.4 (+16%)

10.9Faster than 86% of ro-ro ships17.0

CO₂ per transport work (cargo)This ship 96.5 g CO₂/t·nm · median 95.2 (+1%)

47.4Ranks 120 of 235, lowest first297

Middle 80% of shipsMiddle 50%Ro-ro medianThis ship

Where the emissions happen, 2021

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 ports7%
From the EU47%
Into the EU45%
At berth in the EU2%

Fuel burned laden

–

Not reported

CO₂ at berth

679 t

1.7% of the ship's CO₂, alongside in EU ports

Methane (CH₄)

–

Mainly from LNG; small for oil, biofuel and methanol

CO₂eq uplift

–

CO₂eq on top of CO₂ alone, from CH₄ and N₂O

Over the years

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

Fuel kg/nm

PETUNIA SEAWAYS
Ro-ro median

100.0110.0120.0130.0140.0

’182018’192019’202020’212021’222022’232023’242024’252025

Average speed, kn

PETUNIA SEAWAYS
Ro-ro median

14.015.016.017.018.0

’182018’192019’202020’212021’222022’232023’242024’252025

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

PETUNIA SEAWAYS
Ro-ro median

80.090.0100110

’182018’192019’202020’212021’222022’232023’242024’252025

Year on year

Year	Average speed	Fuel kg/nm	Fuel per day at sea	Distance	CO₂ per transport work	Reading
2024→2025	+0.1 kn	−3%	−2%	+38%	+5%	Same speed, fuel per mile down 3%; in line with the speed change.
2023→2024	−0.2 kn	+5%	+3%	−23%	−7%	Same speed, fuel per mile up 5%; worse than speed alone explains (fouling, weather, loading or trade).
2022→2023	−0.3 kn	−2%	−4%	−22%	+7%	0.3 kn slower, fuel per mile down 2%; in line with the speed change.
2021→2022	−0.3 kn	−6%	−7%	+8%	−12%	Same speed, fuel per mile down 6%; in line with the speed change.
2020→2021	+1.8 kn	+9%	+22%	+3%	+9%	1.8 kn faster, fuel per mile up 9%; better than speed alone explains (hull, engine or trade).
2019→2020	−1.6 kn	−9%	−17%	−12%	+8%	1.6 kn slower, fuel per mile down 9%; worse than speed alone explains (fouling, weather, loading or trade).
2018→2019	+0.2 kn	−3%	−1%	+7%	+8%	Same speed, fuel per mile down 3%; better than speed alone explains (hull, engine 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

Year	ISM company	Fuel t	CO₂ t	Distance nm	Hours at seah	Average speedknots at sea	Fuel kg/nmthis ship	CO₂ per transport work (cargo)g/t·nm, this ship	Laden fuel
2025	DFDS A/S	10,403	32,514	82,070	4,905	16.7	127	96.5	–
2024	DFDS A/S	7,801	24,406	59,631	3,599	16.6	131	92.1	–
2023	not published	9,699	30,319	77,645	4,621	16.8	125	99.4	–
2022	not published	12,796	39,965	100,139	5,856	17.1	128	92.5	–
2021	not published	12,563	39,251	92,812	5,344	17.4	135	105	–
2020	not published	11,152	34,860	90,117	5,764	15.6	124	96.3	–
2019	not published	13,843	43,113	102,146	5,937	17.2	136	89.5	–
2018	not published	13,310	41,523	95,481	5,619	17.0	139	82.6	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/t·nm	Ro-ro median	vs Ro-ro	Rank	Verifier	Methods
2025	DFDS A/S	96.5	95.2	+1%	120 of 235	DNV	B
2024	DFDS A/S	92.1	97.5	−6%	99 of 220	DNV	C
2023	not published	99.4	109	−9%	104 of 221	DNV	C
2022	not published	92.5	90.6	+2%	115 of 223	DNV	C
2021	not published	105	104	+1%	114 of 219	Verifavia	C
2020	not published	96.3	103	−6%	107 of 238	Verifavia	C
2019	not published	89.5	90.9	−1%	129 of 271	Verifavia	C
2018	not published	82.6	91.0	−9%	105 of 260	Verifavia	C

Fuel per mile and CO₂ per tonne-mile are the ship's own reported KPIs. Ro-ro 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 ro-ro 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.