Navalyze · Container · Ship

MAERSK IDAHO

IMO: 9193264
Type: Container ship
Average cargo carried: 29,281 t
Flag (estimated): Singapore
Port of registry: Singapore
Technical efficiency: EEXI 12.60 g CO₂/t·nm

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

Report year

2021 at a glance

From the 2021 THETIS-MRV report. Carries about 37,768 t of cargo on average.

Fuel kg/nm

230

Container median 186 kg/nm (+24%)

CO₂ per transport work (cargo)

19.0

g CO₂/t·nm · Container median 17.9 (+6%)

Average speed

15.8 kn

Container median 14.1 kn (+12%)

Fuel per day at sea

87.5 t/day

Fuel consumed

18,145 t

CO₂ emitted

56,506 t

Distance sailed

78,744 nm

CO₂ ÷ CO₂ per mile

Time at sea

4,975 h

207 days, 57% of the year

Within the container fleet, 2025

Set against all 2,208 container 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 160 kg/nm · median 177 (−10%)

78.8Ranks 994 of 2,208, lowest first302

Average speedThis ship 13.5 kn · median 13.3 (+2%)

9.1Faster than 52% of container ships16.0

CO₂ per transport work (cargo)This ship 17.1 g CO₂/t·nm · median 16.3 (+5%)

7.22Ranks 1,166 of 2,208, lowest first46.9

Middle 80% of shipsMiddle 50%Container 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 ports6%
From the EU50%
Into the EU42%
At berth in the EU2%

Fuel burned laden

–

Not reported

CO₂ at berth

1,074 t

1.9% 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 Container median is the middle ship of all container ships reporting that year; it moves with the fleet, so a ship can gain on it without changing itself.

Fuel kg/nm

MAERSK IDAHO
Container median

125.0150.0175.0200.0225.0250.0

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

Average speed, kn

MAERSK IDAHO
Container median

10.012.014.016.018.020.0

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

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

MAERSK IDAHO
Container median

10.015.020.025.030.0

’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	−0.6 kn	−7%	−11%	−35%	+19%	0.6 kn slower, fuel per mile down 7%; in line with the speed change.
2023→2024	+1.6 kn	+23%	+39%	+6%	+1%	1.6 kn faster, fuel per mile up 23%; in line with the speed change.
2022→2023	+1.3 kn	−20%	−11%	+171%	−45%	1.3 kn faster, fuel per mile down 20%; better than speed alone explains (hull, engine or trade).
2021→2022	−4.6 kn	−24%	−46%	−68%	+36%	4.6 kn slower, fuel per mile down 24%; worse than speed alone explains (fouling, weather, loading or trade).
2020→2021	−1.4 kn	+4%	−4%	+3%	−1%	1.4 kn slower, fuel per mile up 4%; worse than speed alone explains (fouling, weather, loading or trade).
2019→2020	+0.5 kn	+8%	+11%	−6%	+12%	0.5 kn faster, fuel per mile up 8%; in line with the speed change.
2018→2019	−2.0 kn	−8%	−17%	−1%	−5%	2.0 kn slower, fuel per mile down 8%; worse than speed alone explains (fouling, weather, loading 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	Maersk A/S	7,471	23,356	46,674	3,469	13.5	160	17.1	96%
2024	Maersk A/S	12,311	38,202	71,840	5,107	14.1	171	14.4	98%
2023	not published	9,391	29,247	67,478	5,399	12.5	139	14.3	95%
2022	not published	4,355	13,914	24,921	2,217	11.2	175	25.8	94%
2021	not published	18,145	56,506	78,744	4,975	15.8	230	19.0	–
2020	not published	16,927	52,715	76,432	4,441	17.2	222	19.2	100%
2019	not published	16,688	52,076	81,184	4,855	16.7	206	17.2	100%
2018	not published	18,229	56,993	81,884	4,389	18.7	223	18.0	100%

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/t·nm	Container median	vs Container	Rank	Verifier	Methods
2025	Maersk A/S	17.1	16.3	+5%	1,166 of 2,208	ABS	C
2024	Maersk A/S	14.4	17.5	−18%	784 of 1,974	ABS	C
2023	not published	14.3	19.4	−26%	693 of 1,899	ABS	C
2022	not published	25.8	19.1	+35%	1,172 of 1,825	ABS	C
2021	not published	19.0	17.9	+6%	939 of 1,781	ABS	C
2020	not published	19.2	17.6	+9%	981 of 1,797	ABS	C
2019	not published	17.2	18.9	−9%	796 of 1,788	ABS	C
2018	not published	18.0	20.2	−11%	725 of 1,705	ABS	C

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