TonneMiles

Vehicle carrier · Cayman Islands flag · built 2011

OPAL ACE: CO₂ emissions 2018–2025

IMO 9539183 EU ETS7 reporting years

CO₂ reported 2025
5,516 t
Fuel burned
1,760 t
Time at sea
1,171 h
Emitted at berth
2% of total
Share of year under way
13%
Gross tonnage
60,131

OPAL ACE against its type

Built in 2011, it is 3 years newer than the median vehicle carrier on this register, which was built in 2008 (595 vessels with a known build year). At 60,131 gross tonnage it is larger than 64% of the other 571 vehicle carriers with a recorded tonnage. It is one of 3 vehicle carriers here under the Cayman Islands flag, 0.4% of the 713 on the register. The returns for 2018–2025 all give GEORGE TOWN as port of registry.

Its 5,516 t of CO₂ for 2025 is 22% below the median of 7,074 t among the 514 vehicle carriers on this register that reported for 2025. Per nautical mile it emitted 292.9 kg CO₂, close to the type median of 309.1 kg. It logged 1,171 hours at sea against a median of 1,639 hours for its type that year. 2.1% of its 2025 emissions were at berth; the median for vehicle carriers was 3.1%. Across 7 years with reported emissions, the highest was 2024 (14,766 t) and the lowest 2021 (2,061 t). Its efficiency percentile within the type went from 29 in 2018 to 58 in 2023 (lower is more efficient). Of the 7 comparable vessels listed below with a 2025 return, 1 reported a lower CO₂ per nautical mile than this vessel.

Emissions by year2018–2025

Year CO₂ (t) Fuel (t) Distance (nm) At sea (h) At berth (t) kg CO₂/nm EEOI Percentile
2025 5,516 1,760 — 1,171 114 292.9 265.5 not ranked
2024 14,766 4,728 — 2,833 0 327.8 — —
2023 6,731 2,132 21,122 1,225 162 318.7 58.7 58
2022 3,243 1,028 — 680 26 282.0 — not ranked
2021 2,061 653 8,796 607 50 234.3 33.4 2
2020 2,185 690 7,673 594 175 284.8 67.1 68
2018 13,708 4,387 47,278 2,977 333 289.9 54.5 29

Vessel particulars

IMO number
9539183
Ship type
Vehicle carrier
Gross tonnage
60,131
Length overall
199.0 m
Beam
32.0 m
Year built
2011
Flag state
Cayman Islands per EU MRV 2025
Port of registry
George Town MRV 2025
Technical efficiency (design)
EEXI (14.9 gCO₂/t·nm)
Efficiency ranking
Not ranked: transport work below the floor (2025)
Verifier
Nippon Kaiji Kyokai, Japan
Accreditation
VS-21325-01
Compliance document issued
2026-03-23
Compliance document expires
2027-06-30

Reported CO₂ by year

2018: 13,708 t201813,7082020: 2,185 t20202021: 2,061 t20212022: 3,243 t20222023: 6,731 t20232024: 14,766 t20242025: 5,516 t20255,516

Reported CO₂ in 2025 was 59.8% lower than in 2018, for EU/EEA voyages only. No return is recorded for 2019, so the series has gaps.

From 2024 to 2025, emissions fell 62.6% and CO₂ per nautical mile fell 10.7%.Distance is missing for at least one of the two years, so activity and efficiency cannot be separated here.

Where the 2025 emissions occurred

At berthAt berth: 114 t114Within EEA portsWithin EEA ports: 114 t114Voyages between EEA portsVoyages between EEA ports: 753 t753Voyages to an EEA portVoyages to an EEA port: 381 t381Voyages from an EEA portVoyages from an EEA port: 4,268 t4,268Laden voyagesLaden voyages: 1,208 t1,208

Methane, nitrous oxide and EU ETS2025

Total CO₂ equivalent
5,603 t
Methane (CH₄)
0.09 t
Nitrous oxide (N₂O)
0.32 t
Under EU ETS
3,192 t, 58% of total

Laden voyages2025

CO₂ on laden voyages
1,208 t, 22% of total
Fuel, laden
380 t

The rest of the 2025 total was emitted on ballast legs or at berth.

Sources and how to read this

This page draws on 7 MRV reporting years and 4 of 5 vessel particulars. Not found in the sources for this vessel: an efficiency ranking, AIS movements in Norwegian waters, a name history, a licensed photograph, 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 vesselsnearest by tonnage, same type