TonneMiles

Passenger ship (Cruise Passenger ship) · Bahamas flag · built 2020

MARDI GRAS: CO₂ emissions 2025

IMO 9837444 EU ETS

CO₂ reported 2025
12,867 t
Fuel burned
4,301 t
Time at sea
590 h
Emitted at berth
17% of total
Share of year under way
7%
MARDI GRAS
kees torn, CC BY-SA 2.0 · File

MARDI GRAS against its type

Built in 2020, it is 10 years newer than the median cruise ship on this register, which was built in 2010 (195 vessels with a known build year). It is one of 67 cruise ships here under the Bahamas flag, 33.2% of the 202 on the register. The same builder is recorded for 11 other vessels here, 8 of them cruise ships. Carnival Cruise Line is linked to 18 vessels on this register.

Its 12,867 t of CO₂ for 2025 is 59% below the median of 31,269 t among the 200 cruise ships on this register that reported for 2025. Per nautical mile it emitted 1,279.8 kg CO₂, 1.6 times the type median of 821.3 kg. It logged 590 hours at sea against a median of 3,133 hours for its type that year. 17.4% of its 2025 emissions were at berth; the median for cruise ships was 15.1%. Of the 4 sister ships listed below with a 2025 return, 4 reported a lower CO₂ per nautical mile than this vessel.

Emissions by year2025–2025

Year CO₂ (t) Fuel (t) Distance (nm) At sea (h) At berth (t) kg CO₂/nm EEOI Percentile
2025 12,867 4,301 — 590 2,238 1,279.8 — —

Vessel particulars

IMO number
9837444
Ship type
Passenger ship (Cruise Passenger ship)
Length overall
345.0 m
Beam
42.0 m
Year built
2020
Flag state
Bahamas per EU MRV 2025
Builder
Meyer Turku
Port of registry
Nassau MRV 2025
Home port
Port Canaveral
Technical efficiency (design)
EEXI (6.7 gCO₂/t·nm)
Operator
Carnival Cruise Line, Carnival Corporation
Verifier
DNV, Germany
Accreditation
VS-16026-01
Compliance document issued
2026-03-13
Compliance document expires
2027-06-30

Where the 2025 emissions occurred

At berthAt berth: 2,238 t2,238Within EEA portsWithin EEA ports: 2,238 t2,238Voyages between EEA portsVoyages between EEA ports: 3,614 t3,614Voyages to an EEA portVoyages to an EEA port: 4,109 t4,109Voyages from an EEA portVoyages from an EEA port: 2,906 t2,906

Methane, nitrous oxide and EU ETS2025

Total CO₂ equivalent
14,523 t
Methane (CH₄)
52.99 t
Nitrous oxide (N₂O)
0.65 t
Under EU ETS
7,336 t, 57% of total

Sources and how to read this

This page draws on 1 MRV reporting year, 4 of 5 vessel particulars and a licensed photograph. Not found in the sources for this vessel: an efficiency ranking, AIS movements in Norwegian waters, a name history, a sanctions listing and US port state inspections.

Empty means unreported, never zero. How EEOI, distance, percentiles and sister ships are handled is explained under reading a vessel page. Something wrong? See corrections.

Comparable vesselssister ships and nearest by tonnage