Navalyze · Ro-pax · Ship

STENA FLAVIA

IMO: 9417919
Type: Ro-pax ship
Flag (estimated): Denmark
Port of registry: Frederikshavn
Technical efficiency: EEXI 23.45 g CO₂/t·nm
Ice class: IA

ISM company (DoC holder) in 2025: Stena Rederi AS · part of Stena

Report year

2022 at a glance

From the 2022 THETIS-MRV report.

Fuel kg/nm

134

Ro-pax median 157 kg/nm (−15%)

CO₂ per transport work (pax)

787

g CO₂/pax·nm · Ro-pax median 626 (+26%)

CO₂ per transport work (freight)

120

g CO₂/t·nm · Ro-pax median 253 (−53%)

Average speed

18.3 kn

Ro-pax median 16.0 kn (+14%)

Fuel per day at sea

58.9 t/day

Fuel consumed

14,336 t

CO₂ emitted

45,417 t

Distance sailed

106,867 nm

CO₂ ÷ CO₂ per mile

Time at sea

5,842 h

243 days, 67% of the year

Within the ro-pax fleet, 2025

Set against all 408 ro-pax 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 119 kg/nm · median 150 (−21%)

69.3Ranks 117 of 408, lowest first232

Average speedThis ship 17.5 kn · median 15.8 (+11%)

12.0Faster than 67% of ro-pax ships22.3

CO₂ per transport work (pax)This ship 703 g CO₂/pax·nm · median 567 (+24%)

66.8Ranks 234 of 408, lowest first1,569

CO₂ per transport work (freight)This ship 90.5 g CO₂/t·nm · median 253 (−64%)

48.6Ranks 81 of 408, lowest first1,247

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

Where the emissions happen, 2022

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 ports95%
From the EU0%
Into the EU0%
At berth in the EU5%

Fuel burned laden

–

Not reported

CO₂ at berth

2,153 t

4.7% 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-pax median is the middle ship of all ro-pax ships reporting that year; it moves with the fleet, so a ship can gain on it without changing itself.

Fuel kg/nm

STENA FLAVIA
Ro-pax median

110.0120.0130.0140.0150.0160.0

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

Average speed, kn

STENA FLAVIA
Ro-pax median

15.016.017.018.019.0

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

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

STENA FLAVIA
Ro-pax median

50.0100150200250300

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

CO₂ per transport work (pax), g CO₂/pax·nm

STENA FLAVIA
Ro-pax median

4006008001,0001,200

’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	−0.3 kn	−1%	−3%	−1%	+1%	0.3 kn slower, fuel per mile flat.
2023→2024	+0.0 kn	−1%	−1%	+7%	−9%	Same speed, fuel per mile flat.
2022→2023	−0.5 kn	−9%	−12%	+4%	−4%	0.5 kn slower, fuel per mile down 9%; in line with the speed change.
2021→2022	+1.9 kn	+5%	+18%	+20%	+1%	1.9 kn faster, fuel per mile up 5%; better than speed alone explains (hull, engine or trade).
2020→2021	+0.0 kn	−4%	−4%	−5%	−32%	Same speed, fuel per mile down 4%; in line with the speed change.
2019→2020	+0.3 kn	+3%	+5%	+1%	+72%	Same speed, fuel per mile up 3%; in line with the speed change.
2018→2019	−0.4 kn	−1%	−3%	+13%	−25%	0.4 kn slower, fuel per mile flat.

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	Stena Rederi AS	14,068	44,377	118,109	6,733	17.5	119	–	–
2024	Stena Rederi AS	14,364	45,298	119,127	6,700	17.8	121	–	–
2023	not published	13,508	42,618	110,891	6,236	17.8	122	–	–
2022	not published	14,336	45,417	106,867	5,842	18.3	134	–	–
2021	not published	11,365	35,869	89,164	5,443	16.4	128	–	–
2020	not published	12,458	39,319	93,618	5,701	16.4	133	–	–
2019	not published	12,010	37,736	92,906	5,780	16.1	129	–	–
2018	not published	10,650	33,649	81,889	4,955	16.5	130	–	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/pax·nm	Ro-pax median	vs Ro-pax	Rank	Freight, g CO₂/t·nm	Ro-pax median	vs Ro-pax	Verifier	Methods
2025	Stena Rederi AS	703	567	+24%	234 of 408	90.5	253	−64%	DNV	C
2024	Stena Rederi AS	693	547	+27%	233 of 404	91.0	233	−61%	DNV	C
2023	not published	758	680	+12%	217 of 386	101	234	−57%	DNV	C
2022	not published	787	626	+26%	222 of 394	120	253	−53%	DNV	C
2021	not published	776	815	−5%	184 of 377	154	226	−32%	DNV	C
2020	not published	1,146	751	+53%	242 of 387	132	217	−39%	Lloyd's Register	C
2019	not published	668	569	+17%	223 of 394	91.3	223	−59%	Lloyd's Register	–
2018	not published	891	729	+22%	208 of 361	78.9	184	−57%	Lloyd's Register	C

Fuel per mile and CO₂ per tonne-mile are the ship's own reported KPIs. Ro-pax ships are benchmarked on CO₂ per transport work (pax) (TW), in g CO₂/pax·nm, and also per tonne of freight (g CO₂/t·nm freight). 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-pax 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.