TonneMiles

General cargo ship · Norway flag · built 1970

ROSLAGEN: CO₂ emissions 2025

IMO 7039531 MMSI 258558000EU ETS

CO₂ reported 2025
1,091 t
Fuel burned
340 t
Time at sea
699 h
Share of year under way
8%
Gross tonnage
677
ROSLAGEN
Cavernia, CC BY-SA 4.0 · File

ROSLAGEN against its type

Built in 1970, it is 37 years older than the median general cargo ship on this register, which was built in 2007 (2,852 vessels with a known build year). At 677 gross tonnage it is smaller than 100% of the other 2,665 general cargo ships with a recorded tonnage. It is one of 112 general cargo ships here under the Norway flag, 3.6% of the 3,081 on the register. Roslagen Shipping is linked to 4 vessels on this register.

Its 1,091 t of CO₂ for 2025 is 61% below the median of 2,820 t among the 2,469 general cargo ships on this register that reported for 2025. Per nautical mile it emitted 31.3 kg CO₂, 74% below the type median of 122.2 kg. It logged 699 hours at sea against a median of 3,044 hours for its type that year. 0.0% of its 2025 emissions were at berth; the median for general cargo ships was 4.3%. Of the 8 comparable vessels listed below with a 2025 return, 2 reported a lower CO₂ per nautical mile than this vessel.

Emissions by year2025–2025

Year CO₂ (t) Fuel (t) Distance (nm) At sea (h) At berth (t) kg CO₂/nm EEOI Percentile
2025 1,091 340 — 699 0 31.3 — —

Vessel particulars

IMO number
7039531
MMSI
258558000
Call sign
JWNZ
Ship type
General cargo ship
Gross tonnage
677
Length overall
55.0 m
Beam
9.0 m
Year built
1970
Flag state
Norway per EU MRV 2025
Port of registry
SVOLVÆR MRV 2025
Home port
BERGEN
Operator
Roslagen Shipping
Verifier
DNV, Germany
Accreditation
VS-16026-01
Compliance document issued
2026-05-19
Compliance document expires
2027-06-30

Where the 2025 emissions occurred

Voyages between EEA portsVoyages between EEA ports: 1,091 t1,091

Methane, nitrous oxide and EU ETS2025

Total CO₂ equivalent
1,107 t
Methane (CH₄)
0.02 t
Nitrous oxide (N₂O)
0.06 t
Under EU ETS
1,091 t, 100% of total

Observed movementsAIS · Norwegian waters

First seen
04 Jul 2025
Last seen
27 Jul 2026
Days observed
382
Positions
60,450
Median speed
7.7 kn

Its recorded positions span 58.0°N to 63.4°N and 4.7°E to 8.3°E.

60.0062.005.006.007.00BergenKarstoMongstadStavangerAlesundArdalstangenBudEgersundFirst observed positionLast observed position100 nm°N°E

400 hourly points from 60,450 positions. Filled circle first, open circle last; squares are ports for orientation, not calls.

Positions recorded per month

Jul 25: 3,721 positionsJul 253,721Aug 25: 4,356 positionsAug 25Sep 25: 4,574 positionsSep 25Oct 25: 3,310 positionsOct 25Nov 25: 4,492 positionsNov 25Dec 25: 4,671 positionsDec 25Jan 26: 4,239 positionsJan 26Feb 26: 5,186 positionsFeb 26Mar 26: 5,180 positionsMar 26Apr 26: 5,818 positionsApr 26May 26: 5,316 positionsMay 26Jun 26: 5,900 positionsJun 26Jul 26: 3,687 positionsJul 263,687

Norwegian Coastal Administration open AIS, Norwegian waters only, 01 Jul 2025 to 27 Jul 2026. A gap means the vessel was not recorded here, not that it was idle or that a transponder was off.

Sources and how to read this

This page draws on 1 MRV reporting year, 4 of 5 vessel particulars, AIS movements in Norwegian waters and a licensed photograph. Not found in the sources for this vessel: an efficiency ranking, 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 vesselsnearest by tonnage, same type