Navalyze · Oil tanker · Ship

ELISABETH MAERSK

IMO: 9682980
Type: Oil tanker
Average cargo carried: 138,538 t
Flag (estimated): Denmark
Port of registry: Svendborg
Technical efficiency: EEDI 2.73 g CO₂/t·nm
Former names: BRITISH HERITAGE

ISM company (DoC holder) in 2025: SYNERGY DENMARK A/S · part of Synergy Marine

Report year

2018 at a glance

From the 2018 THETIS-MRV report. Carries about 91,097 t of cargo on average.

Fuel kg/nm

174

Oil tanker median 140 kg/nm (+25%)

CO₂ per transport work (cargo)

6.00

g CO₂/t·nm · Oil tanker median 8.86 (−32%)

Average speed

8.6 kn

Oil tanker median 9.8 kn (−12%)

Fuel per day at sea

36.0 t/day

Fuel consumed

5,165 t

CO₂ emitted

16,200 t

Distance sailed

29,639 nm

CO₂ ÷ CO₂ per mile

Time at sea

3,442 h

143 days, 39% of the year

Within the oil tanker fleet, 2025

Set against all 1,665 oil 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 145 kg/nm · median 129 (+13%)

76.1Ranks 1,096 of 1,665, lowest first191

Average speedThis ship 12.4 kn · median 10.7 (+16%)

8.0Faster than 94% of oil tanker ships12.1

CO₂ per transport work (cargo)This ship 3.27 g CO₂/t·nm · median 7.95 (−59%)

4.51Ranks 42 of 1,665, lowest first27.7

Middle 80% of shipsMiddle 50%Oil tanker medianThis ship

Where the emissions happen, 2018

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 ports17%
From the EU26%
Into the EU46%
At berth in the EU11%

Fuel burned laden

–

Not reported

CO₂ at berth

1,860 t

11.5% 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 Oil tanker median is the middle ship of all oil tanker ships reporting that year; it moves with the fleet, so a ship can gain on it without changing itself.

Fuel kg/nm

ELISABETH MAERSK
Oil tanker median

120.0140.0160.0180.0200.0

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

Average speed, kn

ELISABETH MAERSK
Oil tanker median

8.09.010.011.012.013.0

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

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

ELISABETH MAERSK
Oil tanker median

2.04.06.08.010.0

’182018’192019’212021’222022’242024’252025

Year on year

Year	Average speed	Fuel kg/nm	Fuel per day at sea	Distance	CO₂ per transport work	Reading
2024→2025	+1.1 kn	+10%	+21%	−37%	−42%	1.1 kn faster, fuel per mile up 10%; better than speed alone explains (hull, engine or trade).
2023→2024	−0.9 kn	+0%	−7%	−38%	–	0.9 kn slower, fuel per mile flat; worse than speed alone explains (fouling, weather, loading or trade).
2022→2023	+0.6 kn	−7%	−2%	+106%	–	0.6 kn faster, fuel per mile down 7%; better than speed alone explains (hull, engine or trade).
2021→2022	+0.4 kn	−26%	−23%	+182%	+4%	0.4 kn faster, fuel per mile down 26%; better than speed alone explains (hull, engine or trade).
2020→2021	+1.1 kn	+37%	+52%	−20%	–	1.1 kn faster, fuel per mile up 37%; worse than speed alone explains (fouling, weather, loading or trade).
2019→2020	+0.7 kn	−20%	−14%	−63%	–	0.7 kn faster, fuel per mile down 20%; better than speed alone explains (hull, engine or trade).
2018→2019	+0.8 kn	−0%	+9%	−10%	+17%	0.8 kn faster, fuel per mile flat; 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	SYNERGY DENMARK A/S	2,600	8,137	17,961	1,453	12.4	145	3.27	90%
2024	SYNERGY DENMARK A/S	3,744	11,707	28,553	2,529	11.3	131	5.59	70%
2023	not published	6,004	18,866	45,961	3,770	12.2	131	–	54%
2022	not published	3,128	9,816	22,267	1,921	11.6	141	7.30	46%
2021	not published	1,507	4,786	7,906	707	11.2	191	7.01	–
2020	not published	1,362	4,257	9,823	971	10.1	139	–	–
2019	not published	4,628	14,495	26,621	2,818	9.4	174	7.03	–
2018	not published	5,165	16,200	29,639	3,442	8.6	174	6.00	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/t·nm	Oil tanker median	vs Oil tanker	Rank	Verifier	Methods
2025	SYNERGY DENMARK A/S	3.27	7.95	−59%	42 of 1,665	ABS	A+C
2024	SYNERGY DENMARK A/S	5.59	8.06	−31%	400 of 1,787	ABS	A+C
2023	not published	–	–	–	–	ABS	–
2022	not published	7.30	8.51	−14%	741 of 1,961	ABS	C
2021	not published	7.01	8.86	−21%	592 of 1,789	ABS	C
2020	not published	–	–	–	–	ABS	C
2019	not published	7.03	8.83	−20%	618 of 1,919	ABS	–
2018	not published	6.00	8.86	−32%	422 of 1,779	ABS	A

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