TonneMiles

Ro-pax ship · Finland flag · built 2023

FINNSIRIUS: CO₂ emissions 2023–2025

IMO 9902419 EU ETS3 reporting years

CO₂ reported 2025
33,676 t
Fuel burned
10,805 t
Time at sea
6,077 h
Emitted at berth
2% of total
Share of year under way
69%
Gross tonnage
65,692
FINNSIRIUS
AleWi, CC BY-SA 4.0 · File

FINNSIRIUS against its type

Built in 2023, it is 23 years newer than the median ro-pax ship on this register, which was built in 2000 (483 vessels with a known build year). At 65,692 gross tonnage it is larger than 99% of the other 470 ro-pax ships with a recorded tonnage. It is one of 18 ro-pax ships here under the Finland flag, 3.7% of the 493 on the register. The same builder is recorded for 3 other vessels here, 2 of them ro-pax ships. Finnlines is linked to 19 vessels on this register. The returns for 2023–2025 all give Mariehamn as port of registry.

Its 33,676 t of CO₂ for 2025 is 12% 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 417.1 kg CO₂, 11% below the type median of 467.6 kg. It logged 6,077 hours at sea against a median of 4,243 hours for its type that year. 2.2% of its 2025 emissions were at berth; the median for ro-pax ships was 6.7%. Across 3 years with reported emissions, the highest was 2024 (36,392 t) and the lowest 2023 (14,293 t). Of the 2 sister ships listed below with a 2025 return, 0 reported a lower CO₂ per nautical mile than this vessel.

Emissions by year2023–2025

Year CO₂ (t) Fuel (t) Distance (nm) At sea (h) At berth (t) kg CO₂/nm EEOI Percentile
2025 33,676 10,805 — 6,077 753 417.1 — —
2024 36,392 11,674 — 5,951 1,056 450.4 — —
2023 14,293 4,576 — 2,067 877 488.8 — —

Vessel particulars

IMO number
9902419
Ship type
Ro-pax ship
Gross tonnage
65,692
Length overall
235.6 m
Beam
34.0 m
Year built
2023
Flag state
Finland per EU MRV 2025
Builder
China Merchants Heavy Industry
Port of registry
Mariehamn MRV 2025
Ice class
IA Super
Technical efficiency (design)
EEDI (16.82 gCO₂/t·nm)
Operator
Finnlines
Verifier
RINA HELLAS LTD, Greece
Accreditation
1325
Compliance document issued
2026-03-13
Compliance document expires
2027-06-30

Reported CO₂ by year

2023: 14,293 t202314,2932024: 36,392 t20242025: 33,676 t202533,676

Reported CO₂ in 2025 was 135.6% higher than in 2023, for EU/EEA voyages only.

From 2024 to 2025, emissions fell 7.5% and CO₂ per nautical mile fell 7.4%.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: 753 t753Within EEA portsWithin EEA ports: 753 t753Voyages between EEA portsVoyages between EEA ports: 32,923 t32,923

Methane, nitrous oxide and EU ETS2025

Total CO₂ equivalent
34,206 t
Methane (CH₄)
0.54 t
Nitrous oxide (N₂O)
1.94 t
Under EU ETS
14,741 t, 44% of total

Sources and how to read this

This page draws on 3 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.

Comparable vesselssister ships and nearest by tonnage