Ro-pax ship · Greece flag · built 2002
BLUE STAR NAXOS: CO₂ emissions 2018–2025
IMO 9241786 EU ETS8 reporting years
- CO₂ reported 2025
- 37,489 t
- Fuel burned
- 11,991 t
- Time at sea
- 5,380 h
- Emitted at berth
- 2% of total
- Share of year under way
- 61%
- Gross tonnage
- 10,438
BLUE STAR NAXOS against its type
Built in 2002, it is 2 years newer than the median ro-pax ship on this register, which was built in 2000 (483 vessels with a known build year). At 10,438 gross tonnage it is smaller than 77% of the other 470 ro-pax ships with a recorded tonnage. It is one of 48 ro-pax ships here under the Greece flag, 9.7% of the 493 on the register. The same builder is recorded for 660 other vessels here, 7 of them ro-pax ships. The returns for 2018–2025 all give Piraeus as port of registry.
Its 37,489 t of CO₂ for 2025 is 25% above the median of 30,062 t among the 417 ro-pax ships on this register that reported for 2025. Per nautical mile it emitted 357.8 kg CO₂, 23% below the type median of 467.6 kg. It logged 5,380 hours at sea against a median of 4,243 hours for its type that year. 1.5% of its 2025 emissions were at berth; the median for ro-pax ships was 6.7%. Across 8 years with reported emissions, the highest was 2023 (44,020 t) and the lowest 2024 (36,382 t). Of the 3 sister ships listed below with a 2025 return, 0 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 | 37,489 | 11,991 | — | 5,380 | 568 | 357.8 | — | — |
| 2024 | 36,382 | 11,677 | — | 5,096 | 593 | 378.5 | — | — |
| 2023 | 44,020 | 14,133 | — | 5,895 | 356 | 396.9 | — | — |
| 2022 | 40,781 | 13,093 | — | 5,481 | 318 | 388.5 | — | — |
| 2021 | 42,003 | 13,486 | — | 5,530 | 279 | 385.6 | — | — |
| 2020 | 39,263 | 12,604 | — | 5,109 | 330 | 383.5 | — | — |
| 2019 | 39,735 | 12,608 | — | 5,032 | 1,128 | 412.2 | — | — |
| 2018 | 41,868 | 13,284 | — | 5,303 | 3,619 | 405.1 | — | — |
Vessel particulars
- IMO number
- 9241786
- Ship type
- Ro-pax ship
- Gross tonnage
- 10,438
- Length overall
- 124.0 m
- Year built
- 2002
- Flag state
- Greece per EU MRV 2025
- Builder
- Hanwha Ocean
- Port of registry
- Piraeus MRV 2025
- Technical efficiency (design)
- EEXI (43.7 gCO₂/t·nm)
- Verifier
- NORMEC VERIFAVIA SAS, France
- Accreditation
- 3-2127
- Compliance document issued
- 2026-03-28
- Compliance document expires
- 2027-06-30
Reported CO₂ by year
Reported CO₂ in 2025 was 10.5% lower than in 2018, for EU/EEA voyages only.
From 2024 to 2025, emissions rose 3.0% and CO₂ per nautical mile fell 5.5%.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
- 38,077 t
- Methane (CH₄)
- 0.60 t
- Nitrous oxide (N₂O)
- 2.16 t
- Under EU ETS
- 307 t, 1% of total
Verifier history
| From reporting year | Verifier | Accredited in |
|---|---|---|
| 2018 | VERIFAVIA (UK) LTD | United Kingdom |
| 2020 | NORMEC VERIFAVIA SAS | France |
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 2018–2025, published by the European Commission.
- Vessel particulars: Wikidata (CC0) and Wikimedia Commons.
This page draws on 8 MRV reporting years, 5 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.