Navalyze · Chemical tanker · Ship

STOLT PERSEVERANCE

IMO: 9124471
Type: Chemical tanker
Average cargo carried: 15,882 t
Flag (estimated): Cayman Islands
Port of registry: George Town

ISM company (DoC holder) in 2025: Stolt Tankers BV

Report year

2019 at a glance

From the 2019 THETIS-MRV report. Carries about 22,156 t of cargo on average.

Fuel kg/nm

128

Chemical tanker median 88.3 kg/nm (+45%)

CO₂ per transport work (cargo)

18.1

g CO₂/t·nm · Chemical tanker median 17.3 (+4%)

Average speed

11.7 kn

Chemical tanker median 10.1 kn (+16%)

Fuel per day at sea

36.0 t/day

Fuel consumed

3,214 t

CO₂ emitted

10,057 t

Distance sailed

25,148 nm

CO₂ ÷ CO₂ per mile

Time at sea

2,142 h

89 days, 24% of the year

Within the chemical tanker fleet, 2025

Set against all 1,460 chemical tanker 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 118 kg/nm · median 79.7 (+48%)

52.8Ranks 1,372 of 1,460, lowest first111

Average speedThis ship 12.2 kn · median 11.1 (+10%)

8.8Faster than 85% of chemical tanker ships12.4

CO₂ per transport work (cargo)This ship 23.1 g CO₂/t·nm · median 15.0 (+53%)

7.93Ranks 1,038 of 1,460, lowest first40.2

Middle 80% of shipsMiddle 50%Chemical tanker medianThis ship

Where the emissions happen, 2019

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 ports1%
From the EU31%
Into the EU63%
At berth in the EU5%

Fuel burned laden

–

Not reported

CO₂ at berth

534 t

5.3% 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 Chemical tanker median is the middle ship of all chemical tanker ships reporting that year; it moves with the fleet, so a ship can gain on it without changing itself.

Fuel kg/nm

STOLT PERSEVERANCE
Chemical tanker median

60.080.0100.0120.0140.0160.0

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

Average speed, kn

STOLT PERSEVERANCE
Chemical tanker median

10.011.012.013.014.0

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

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

STOLT PERSEVERANCE
Chemical tanker median

10.020.030.040.050.0

’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	−0.9 kn	−23%	−28%	+123%	+47%	0.9 kn slower, fuel per mile down 23%; better than speed alone explains (hull, engine or trade).
2023→2024	+1.7 kn	+25%	+43%	−52%	+20%	1.7 kn faster, fuel per mile up 25%; better than speed alone explains (hull, engine or trade).
2022→2023	+0.7 kn	+1%	+7%	+89%	−42%	0.7 kn faster, fuel per mile flat; better than speed alone explains (hull, engine or trade).
2021→2022	−0.1 kn	+4%	+3%	+21%	−54%	Same speed, fuel per mile up 4%; worse than speed alone explains (fouling, weather, loading or trade).
2020→2021	−1.2 kn	−7%	−16%	−32%	+238%	1.2 kn slower, fuel per mile down 7%; worse than speed alone explains (fouling, weather, loading or trade).
2019→2020	+0.3 kn	−2%	+0%	−51%	−19%	0.3 kn faster, fuel per mile down 2%; better than speed alone explains (hull, engine or trade).
2018→2019	+0.4 kn	+9%	+13%	−2%	+13%	0.4 kn faster, fuel per mile up 9%; in line with the speed change.

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	Stolt Tankers BV	2,438	7,591	20,735	1,700	12.2	118	23.1	–
2024Alt. fuel	Stolt Tankers BV	1,413	4,158	9,309	711	13.1	152	15.7	–
2023LNG / alt.	not published	2,370	5,965	19,480	1,707	11.4	122	13.0	–
2022	not published	1,246	3,910	10,318	965	10.7	121	22.5	–
2021	not published	986	3,076	8,510	786	10.8	116	49.4	–
2020	not published	1,554	4,863	12,424	1,035	12.0	125	14.6	–
2019	not published	3,214	10,057	25,148	2,142	11.7	128	18.1	–
2018	not published	3,022	9,448	25,699	2,269	11.3	118	16.0	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/t·nm	Chemical tanker median	vs Chemical tanker	Rank	Verifier	Methods
2025	Stolt Tankers BV	23.1	15.0	+53%	1,038 of 1,460	DNV	B
2024Alt. fuel	Stolt Tankers BV	15.7	16.7	−6%	595 of 1,274	DNV	B
2023LNG / alt.	not published	13.0	16.2	−20%	440 of 1,314	DNV	B
2022	not published	22.5	16.1	+40%	988 of 1,409	DNV	B
2021	not published	49.4	16.7	+196%	1,266 of 1,343	DNV	B
2020	not published	14.6	16.2	−10%	542 of 1,312	Lloyd's Register	B
2019	not published	18.1	17.3	+4%	705 of 1,321	Lloyd's Register	B
2018	not published	16.0	17.1	−7%	563 of 1,294	Lloyd's Register	B

Fuel per mile and CO₂ per tonne-mile are the ship's own reported KPIs. Chemical tanker 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 chemical tanker 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.