Navalyze · Cruise · Ship

VIKING SEA

IMO: 9725421
Type: Passenger ship (Cruise Passenger ship)
Flag (estimated): Norway
Port of registry: Bergen
Technical efficiency: EEXI 14.10 g CO₂/t·nm
Ice class: IC

ISM company (DoC holder) in 2025: Wilhelmsen Ship Management (Norway) AS · part of Wilhelmsen Ship Management

Report year

2023 at a glance

From the 2023 THETIS-MRV report.

Fuel kg/nm

206

Passenger median 270 kg/nm (−24%)

CO₂ per transport work (pax)

729

g CO₂/pax·nm · Passenger median 625 (+17%)

Average speed

12.9 kn

Passenger median 13.7 kn (−6%)

Fuel per day at sea

63.8 t/day

Fuel consumed

9,302 t

CO₂ emitted

29,109 t

Distance sailed

45,109 nm

CO₂ ÷ CO₂ per mile

Time at sea

3,499 h

146 days, 40% of the year

Within the cruise fleet, 2025

Set against all 202 cruise 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 229 kg/nm · median 264 (−13%)

89.6Ranks 85 of 202, lowest first416

Average speedThis ship 12.8 kn · median 13.1 (−2%)

10.8Faster than 43% of cruise ships15.5

CO₂ per transport work (pax)This ship 864 g CO₂/pax·nm · median 521 (+66%)

303Ranks 149 of 202, lowest first1,701

Middle 80% of shipsMiddle 50%Cruise medianThis ship

Where the emissions happen, 2023

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 ports50%
From the EU18%
Into the EU11%
At berth in the EU21%

Fuel burned laden

–

Not reported

CO₂ at berth

6,189 t

21.3% 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 Cruise median is the middle ship of all cruise ships reporting that year; it moves with the fleet, so a ship can gain on it without changing itself.

Fuel kg/nm

VIKING SEA
Cruise median

0.0200.0400.0600.0

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

Average speed, kn

VIKING SEA
Cruise median

6.08.010.012.014.0

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

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

VIKING SEA
Cruise median

0.020,00040,00060,000

’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	+0.4 kn	+8%	+12%	+5%	+17%	0.4 kn faster, fuel per mile up 8%; in line with the speed change.
2023→2024	−0.5 kn	+2%	−2%	−21%	+2%	0.5 kn slower, fuel per mile up 2%; worse than speed alone explains (fouling, weather, loading or trade).
2022→2023	+2.8 kn	−7%	+18%	+0%	−17%	2.8 kn faster, fuel per mile down 7%; better than speed alone explains (hull, engine or trade).
2021→2022	+3.1 kn	−8%	+34%	+42%	−49%	3.1 kn faster, fuel per mile down 8%; better than speed alone explains (hull, engine or trade).
2020→2021	−2.9 kn	−59%	−71%	+224%	−96%	2.9 kn slower, fuel per mile down 59%; better than speed alone explains (hull, engine or trade).
2019→2020	−0.8 kn	+173%	+153%	−74%	+5,875%	0.8 kn slower, fuel per mile up 173%; worse than speed alone explains (fouling, weather, loading or trade).
2018→2019	−2.0 kn	+42%	+20%	−4%	+32%	2.0 kn slower, fuel per mile up 42%; 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	Wilhelmsen Ship Management (Norway) AS	8,619	26,963	37,695	2,936	12.8	229	–	–
2024	VIKING SEA LTD	7,564	23,607	35,813	2,892	12.4	211	–	–
2023	not published	9,302	29,109	45,109	3,499	12.9	206	–	–
2022	not published	10,018	31,393	44,949	4,446	10.1	223	–	–
2021	not published	7,679	24,114	31,715	4,550	7.0	242	–	–
2020	not published	5,793	18,427	9,787	990	9.9	592	–	–
2019	not published	8,310	25,948	38,281	3,587	10.7	217	–	–
2018	not published	6,080	18,985	39,840	3,146	12.7	153	–	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/pax·nm	Cruise median	vs Cruise	Rank	Verifier	Methods
2025	Wilhelmsen Ship Management (Norway) AS	864	521	+66%	149 of 202	DNV	A+B+C
2024	VIKING SEA LTD	741	618	+20%	118 of 202	DNV	A+B+C
2023	not published	729	625	+17%	117 of 202	DNV	A+B+C
2022	not published	879	831	+6%	101 of 187	DNV	C
2021	not published	1,713	1,315	+30%	60 of 100	DNV	C
2020	not published	44,080	1,169	+3,672%	89 of 100	DNV	C
2019	not published	738	589	+25%	109 of 177	DNV	C
2018	not published	557	577	−3%	75 of 153	DNV	C

Fuel per mile and CO₂ per tonne-mile are the ship's own reported KPIs. Cruise ships are benchmarked on CO₂ per transport work (pax) (TW), in g CO₂/pax·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 cruise 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.