TonneMiles

LNG carrier · Bermuda flag

GASLOG WINCHESTER: CO₂ emissions 2021–2025

IMO 9876737 EU ETS5 reporting years

CO₂ reported 2025
26,535 t
Fuel burned
9,789 t
Time at sea
3,601 h
Emitted at berth
2% of total
Share of year under way
41%

GASLOG WINCHESTER against its type

It is one of 62 LNG carriers here under the Bermuda flag, 11.5% of the 538 on the register. The returns for 2021–2025 all give Hamilton as port of registry.

Its 26,535 t of CO₂ for 2025 is 23% above the median of 21,516 t among the 351 LNG carriers on this register that reported for 2025. Per nautical mile it emitted 501.7 kg CO₂, close to the type median of 533.6 kg. It logged 3,601 hours at sea against a median of 2,940 hours for its type that year. 1.6% of its 2025 emissions were at berth; the median for LNG carriers was 2.0%. Across 5 years with reported emissions, the highest was 2025 (26,535 t) and the lowest 2024 (5,641 t). Of the 8 comparable vessels listed below with a 2025 return, 4 reported a lower CO₂ per nautical mile than this vessel.

Emissions by year2021–2025

Year CO₂ (t) Fuel (t) Distance (nm) At sea (h) At berth (t) kg CO₂/nm EEOI Percentile
2025 26,535 9,789 — 3,601 433 501.7 — —
2024 5,641 2,079 — 805 119 459.9 — —
2023 23,861 8,597 — 3,415 491 510.8 — —
2022 19,240 6,532 — 2,189 208 584.6 — —
2021 7,083 2,358 — 759 66 612.1 — —

Vessel particulars

IMO number
9876737
Ship type
LNG carrier
Length overall
297.0 m
Beam
47.0 m
Flag state
Bermuda per EU MRV 2025
Port of registry
Hamilton MRV 2025
Technical efficiency (design)
EEDI (4.8 gCO₂/t·nm)
Verifier
AMERICAN BUREAU OF SHIPPING HELLENIC SINGLE MEMBER LIMITED LIABILITY COMPANY (ABS HELLENIC S.M. LTD), Greece
Accreditation
1083-2
Compliance document issued
2026-03-26
Compliance document expires
2027-06-30

Reported CO₂ by year

2021: 7,083 t20217,0832022: 19,240 t20222023: 23,861 t20232024: 5,641 t20242025: 26,535 t202526,535

Reported CO₂ in 2025 was 274.6% higher than in 2021, for EU/EEA voyages only.

From 2024 to 2025, emissions rose 370.4% and CO₂ per nautical mile rose 9.1%.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: 433 t433Within EEA portsWithin EEA ports: 433 t433Voyages to an EEA portVoyages to an EEA port: 12,790 t12,790Voyages from an EEA portVoyages from an EEA port: 13,312 t13,312

Methane, nitrous oxide and EU ETS2025

Total CO₂ equivalent
32,196 t
Methane (CH₄)
192.00 t
Nitrous oxide (N₂O)
1.08 t
Under EU ETS
13,484 t, 51% of total

Sources and how to read this

This page draws on 5 MRV reporting years and 2 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