Ro-pax ship · Greece flag · built 1987
BLUE HORIZON: CO₂ emissions 2018–2025
IMO 8616336 EU ETS8 reporting years
- CO₂ reported 2025
- 45,573 t
- Fuel burned
- 14,423 t
- Time at sea
- 5,353 h
- Emitted at berth
- 6% of total
- Share of year under way
- 61%
- Gross tonnage
- 27,230
BLUE HORIZON against its type
Built in 1987, it is 13 years older than the median ro-pax ship on this register, which was built in 2000 (483 vessels with a known build year). At 27,230 gross tonnage it is larger than 61% 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 38 other vessels here. Its MRV returns name it BLUE HORIZON for 2018–2022 and LEFKA ORI for 2023–2025. The returns for 2018–2025 all give Piraeus as port of registry.
Its 45,573 t of CO₂ for 2025 is 1.5 times the median of 30,062 t among the 417 ro-pax ships on this register that reported for 2025. Per nautical mile it emitted 451.9 kg CO₂, close to the type median of 467.6 kg. It logged 5,353 hours at sea against a median of 4,243 hours for its type that year. 6.0% 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 2024 (49,067 t) and the lowest 2020 (16,751 t). Of the 5 comparable vessels 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 | 45,573 | 14,423 | — | 5,353 | 2,741 | 451.9 | — | — |
| 2024 | 49,067 | 15,727 | — | 5,280 | 2,877 | 412.4 | — | — |
| 2023 | 22,891 | 7,325 | — | 2,521 | 2,809 | 503.3 | — | — |
| 2022 | 31,832 | 10,186 | — | 3,327 | 3,982 | 541.2 | — | — |
| 2021 | 24,179 | 7,732 | — | 2,571 | 3,491 | 520.4 | — | — |
| 2020 | 16,751 | 5,354 | — | 1,960 | 1,963 | 556.8 | — | — |
| 2019 | 34,332 | 10,871 | — | 3,575 | 4,467 | 526.2 | — | — |
| 2018 | 32,942 | 10,433 | — | 3,348 | 3,982 | 545.6 | — | — |
Vessel particulars
- IMO number
- 8616336
- Previously reported as
- LEFKA ORI
- Ship type
- Ro-pax ship
- Gross tonnage
- 27,230
- Length overall
- 187.0 m
- Year built
- 1987
- Flag state
- Greece per EU MRV 2025
- Port of registry
- Piraeus MRV 2025
- Technical efficiency (design)
- EEXI (30.8 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 38.3% higher than in 2018, for EU/EEA voyages only.
From 2024 to 2025, emissions fell 7.1% and CO₂ per nautical mile rose 9.6%.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
- 46,281 t
- Methane (CH₄)
- 0.72 t
- Nitrous oxide (N₂O)
- 2.60 t
- Under EU ETS
- 35,882 t, 79% 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, a name history and a licensed photograph. Not found in the sources for this vessel: an efficiency ranking, AIS movements in Norwegian waters, 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.