Other ship types (Offshore) · Netherlands flag · built 2015
KASTEELBORG: CO₂ emissions 2025
IMO 9732204 EU ETS
- CO₂ reported 2025
- 4,631 t
- Fuel burned
- 1,444 t
- Time at sea
- 7,087 h
- Emitted at berth
- 7% of total
- Share of year under way
- 81%
- Gross tonnage
- 4,191
KASTEELBORG against its type
Built in 2015, it is 4 years newer than the median offshore vessel on this register, which was built in 2011 (410 vessels with a known build year). At 4,191 gross tonnage it is larger than 51% of the other 396 offshore vessels with a recorded tonnage. It is one of 29 offshore vessels here under the Netherlands flag, 7.0% of the 413 on the register. The same builder is recorded for 23 other vessels here, 15 of them offshore vessels.
Its 4,631 t of CO₂ for 2025 is 14% above the median of 4,049 t among the 390 offshore vessels on this register that reported for 2025. Per nautical mile it emitted 378.3 kg CO₂, close to the type median of 348.3 kg. It logged 7,087 hours at sea against a median of 3,550 hours for its type that year. 6.7% of its 2025 emissions were at berth; the median for offshore vessels was 6.4%. Of the 6 sister ships listed below with a 2025 return, 5 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 | 4,631 | 1,444 | — | 7,087 | 312 | 378.3 | — | not ranked |
Vessel particulars
- IMO number
- 9732204
- Ship type
- Other ship types (Offshore)
- Gross tonnage
- 4,191
- Length overall
- 83.4 m
- Beam
- 18.0 m
- Year built
- 2015
- Flag state
- Netherlands per EU MRV 2025
- Builder
- Ulstein Verft
- Port of registry
- Delfzijl MRV 2025
- Home port
- Delfzijl
- Efficiency ranking
- Not ranked: implied speed outside 3 to 30 knots (2025)
- Verifier
- Bureau Veritas Certification France, France
- Accreditation
- 3-2047 rev. 4
- Compliance document issued
- 2026-03-12
- Compliance document expires
- 2027-06-30
Where the 2025 emissions occurred
Methane, nitrous oxide and EU ETS2025
- Total CO₂ equivalent
- 4,702 t
- Methane (CH₄)
- 0.07 t
- Nitrous oxide (N₂O)
- 0.26 t
Sources and how to read this
- Emissions: EU MRV publication (THETIS-MRV), reporting years 2025–2025, published by the European Commission.
- Vessel particulars: Wikidata (CC0).
This page draws on 1 MRV reporting year and 5 of 5 vessel particulars. Not found in the sources for this vessel: an efficiency ranking, AIS movements in Norwegian waters, a name history, a licensed photograph, 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.