Passenger ship · Portugal flag · built 2019
GREG MORTIMER: CO₂ emissions 2022–2025
IMO 9834648 EU ETS4 reporting years
- CO₂ reported 2025
- 683 t
- Fuel burned
- 213 t
- Time at sea
- 398 h
- Emitted at berth
- 9% of total
- Share of year under way
- 5%
GREG MORTIMER against its type
Built in 2019, it is 13 years newer than the median passenger ship on this register, which was built in 2006 (127 vessels with a known build year). It is one of 9 passenger ships here under the Portugal flag, 6.8% of the 132 on the register. The same builder is recorded for 6 other vessels here. The returns for 2022–2025 all give Madeira as port of registry.
Its 683 t of CO₂ for 2025 is 90% below the median of 7,055 t among the 32 passenger ships on this register that reported for 2025. Per nautical mile it emitted 172.9 kg CO₂, 31% below the type median of 248.9 kg. It logged 398 hours at sea against a median of 2,827 hours for its type that year. 8.6% of its 2025 emissions were at berth; the median for passenger ships was 12.8%. Across 4 years with reported emissions, the highest was 2024 (3,372 t) and the lowest 2025 (683 t). Of the 3 comparable vessels listed below with a 2025 return, 0 reported a lower CO₂ per nautical mile than this vessel.
Emissions by year2022–2025
| Year | CO₂ (t) | Fuel (t) | Distance (nm) | At sea (h) | At berth (t) | kg CO₂/nm | EEOI | Percentile |
|---|---|---|---|---|---|---|---|---|
| 2025 | 683 | 213 | — | 398 | 59 | 172.9 | — | — |
| 2024 | 3,372 | 1,052 | — | 2,330 | 68 | 152.8 | — | — |
| 2023 | 3,309 | 1,032 | — | 1,344 | 46 | 220.1 | — | — |
| 2022 | 2,657 | 829 | — | 1,451 | 20 | 179.1 | — | — |
Vessel particulars
- IMO number
- 9834648
- Call sign
- CQEI9
- Ship type
- Passenger ship
- Length overall
- 106.0 m
- Beam
- 18.0 m
- Year built
- 2019
- Flag state
- Portugal per EU MRV 2025
- Builder
- China Merchants Group
- Port of registry
- Madeira MRV 2025
- Ice class
- IA
- Technical efficiency (design)
- EEDI (23.07 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
Reported CO₂ in 2025 was 74.3% lower than in 2022, for EU/EEA voyages only.
From 2024 to 2025, emissions fell 79.7% and CO₂ per nautical mile rose 13.1%.Distance is missing for at least one of the two years, so activity and efficiency cannot be separated here.
Where the 2025 emissions occurred
Methane, nitrous oxide and EU ETS2025
- Total CO₂ equivalent
- 694 t
- Methane (CH₄)
- 0.01 t
- Nitrous oxide (N₂O)
- 0.04 t
- Under EU ETS
- 493 t, 72% of total
Laden voyages2025
- CO₂ on laden voyages
- 625 t, 91% of total
- Fuel, laden
- 195 t
- CO₂ per nm, laden
- 158.0 kg
The rest of the 2025 total was emitted on ballast legs or at berth.
Verifier history
| From reporting year | Verifier | Accredited in |
|---|---|---|
| 2022 | RINA HELLAS LTD | Greece |
| 2023 | AMERICAN BUREAU OF SHIPPING HELLENIC SINGLE MEMBER LIMITED LIABILITY COMPANY (ABS HELLENIC S.M. LTD) | Greece |
A change of verifier is not in itself a sign of anything being wrong.
Sources and how to read this
- Emissions: EU MRV publication (THETIS-MRV), reporting years 2022–2025, published by the European Commission.
- Vessel particulars: Wikidata (CC0) and Wikimedia Commons.
This page draws on 4 MRV reporting years, 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.