Chemical tanker · Marshall Islands flag · built 2008
CONSTANCE: CO₂ emissions 2018–2022
IMO 9391531 3 reporting years
- CO₂ reported 2022
- 4,895 t
- Fuel burned
- 1,560 t
- Distance
- 15,946 nm
- Time at sea
- 1,471 h
- Emitted at berth
- 5% of total
- Share of year under way
- 17%
- Gross tonnage
- 29,995
CONSTANCE against its type
Built in 2008, it is 2 years older than the median chemical tanker on this register, which was built in 2010 (1,951 vessels with a known build year). At 29,995 gross tonnage it is larger than 89% of the other 1,899 chemical tankers with a recorded tonnage. It is one of 474 chemical tankers here under the Marshall Islands flag, 20.2% of the 2,344 on the register. The same builder is recorded for 180 other vessels here, 53 of them chemical tankers. Its MRV returns name it GRAND for 2018–2019 and CONSTANCE for 2022. The returns for 2018–2022 all give MAJURO as port of registry.
Its 4,895 t of CO₂ for 2022 is 16% below the median of 5,807 t among the 1,486 chemical tankers on this register that reported for 2022. Per nautical mile it emitted 307.0 kg CO₂, 15% above the type median of 266.3 kg. It logged 1,471 hours at sea against a median of 1,995 hours for its type that year. 4.5% of its 2022 emissions were at berth; the median for chemical tankers was 8.6%. Across 3 years with reported emissions, the highest was 2019 (7,716 t) and the lowest 2018 (4,152 t). Its efficiency percentile within the type went from 23 in 2018 to 57 in 2022 (lower is more efficient). Of the 2 sister ships listed below with a 2022 return, 1 reported a lower CO₂ per nautical mile than this vessel.
Emissions by year2018–2022
| Year | CO₂ (t) | Fuel (t) | Distance (nm) | At sea (h) | At berth (t) | kg CO₂/nm | EEOI | Percentile |
|---|---|---|---|---|---|---|---|---|
| 2022 | 4,895 | 1,560 | 15,946 | 1,471 | 222 | 307.0 | 17.3 | 57 |
| 2019 | 7,716 | 2,462 | 21,424 | 1,744 | 998 | 360.2 | 11.3 | 22 |
| 2018 | 4,152 | 1,329 | 11,390 | 1,096 | 317 | 364.5 | 11.4 | 23 |
Vessel particulars
- IMO number
- 9391531
- Previously reported as
- GRAND
- Ship type
- Chemical tanker
- Gross tonnage
- 29,995
- Length overall
- 183.0 m
- Beam
- 32.2 m
- Year built
- 2008
- Flag state
- Marshall Islands per EU MRV 2022
- Builder
- SPP Shipbuilding Co., Ltd.
- Port of registry
- MAJURO MRV 2022
- Home port
- MAJURO
- Technical efficiency (design)
- EIV (4.96 gCO₂/t·nm)
- Verifier
- NORMEC VERIFAVIA SAS, France
- Accreditation
- 3-2127
- Compliance document issued
- 2023-06-16
- Compliance document expires
- 2024-06-30
Efficiency against its own type2022
Position 766 of 1,334 qualifying chemical tankers by EEOI, at the 57th percentile. The dashed line is the type median, 15.7; this vessel reported 17.3.
EEOI divides emissions by transport work, which for this vessel and year was 282,444,893 tonne-miles over 15,946 nautical miles.
Reported CO₂ by year
Reported CO₂ in 2022 was 17.9% higher than in 2018, for EU/EEA voyages only. No return is recorded for 2020, 2021, so the series has gaps.
From 2019 to 2022, emissions fell 36.6% while distance sailed fell 25.6%and CO₂ per nautical mile fell 14.8%.That points mainly to how much the vessel sailed, rather than the other.
Where the 2022 emissions occurred
Verifier history
| From reporting year | Verifier | Accredited in |
|---|---|---|
| 2018 | Lloyd's Register Quality Assurance Ltd | United Kingdom |
| 2022 | 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 2018–2022, published by the European Commission.
- Vessel particulars: Wikidata (CC0).
This page draws on 3 MRV reporting years, an efficiency ranking, 5 of 5 vessel particulars and a name history. Not found in the sources for this vessel: AIS movements in Norwegian waters, 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.