Chemical tanker · United States flag · built 2017

STENA IMMACULATE: CO₂ emissions 2018–2024

IMO 9693018 EU ETS6 reporting years

CO₂ reported 2024: 10,891 t
Fuel burned: 3,467 t
Distance: 38,484 nm
Time at sea: 3,327 h
Emitted at berth: 4% of total
Share of year under way: 38%
Gross tonnage: 29,851

STENA IMMACULATE against its type

Built in 2017, it is 7 years newer than the median chemical tanker on this register, which was built in 2010 (1,951 vessels with a known build year). At 29,851 gross tonnage it is larger than 85% of the other 1,899 chemical tankers with a recorded tonnage. It is one of 3 chemical tankers here under the United States flag, 0.1% of the 2,344 on the register. The same builder is recorded for 192 other vessels here, 87 of them chemical tankers. The reported port of registry changed: Hamilton (2018–2022), then JACKSONVILLE FL (2024).

Its 10,891 t of CO₂ for 2024 is 1.9 times the median of 5,830 t among the 1,451 chemical tankers on this register that reported for 2024. Per nautical mile it emitted 283.0 kg CO₂, 12% above the type median of 253.5 kg. It logged 3,327 hours at sea against a median of 2,177 hours for its type that year. 3.7% of its 2024 emissions were at berth; the median for chemical tankers was 5.9%. Across 6 years with reported emissions, the highest was 2024 (10,891 t) and the lowest 2022 (4,770 t). Its efficiency percentile within the type went from 4 in 2018 to 44 in 2024 (lower is more efficient).

Emissions by year2018–2024

Year	CO₂ (t)	Fuel (t)	Distance (nm)	At sea (h)	At berth (t)	kg CO₂/nm	EEOI	Percentile
2024	10,891	3,467	38,484	3,327	405	283.0	14.3	44
2022	4,770	1,523	17,030	1,382	183	280.1	8.7	9
2021	5,264	1,673	13,008	1,247	1,132	404.6	10.6	18
2020	8,378	2,672	26,709	2,834	870	313.7	12.8	32
2019	5,839	1,863	18,996	1,968	694	307.4	8.8	8
2018	4,790	1,525	15,892	1,282	313	301.4	8.0	4

Vessel particulars

IMO number: 9693018
Ship type: Chemical tanker
Gross tonnage: 29,851
Length overall: 183.0 m
Beam: 32.0 m
Year built: 2017
Flag state: United States Wikidata/AIS, undated
Builder: CSSC Offshore & Marine Engineering Company
Port of registry: JACKSONVILLE FL MRV 2024
Technical efficiency (design): EEXI (4.41 gCO₂/t·nm)
Operator: Crowley Maritime, Stena AB
Verifier: DNV, Germany
Accreditation: VS-16026-01
Compliance document issued: 2025-05-12
Compliance document expires: 2026-06-30

Efficiency against its own type2024

Position 524 of 1,194 qualifying chemical tankers by EEOI, at the 44th percentile. The dashed line is the type median, 15.9; this vessel reported 14.3.

EEOI divides emissions by transport work, which for this vessel and year was 762,156,053 tonne-miles over 38,484 nautical miles.

Reported CO₂ by year

Reported CO₂ in 2024 was 127.4% higher than in 2018, for EU/EEA voyages only. No return is recorded for 2023, so the series has gaps.

From 2022 to 2024, emissions rose 128.3% while distance sailed rose 126.0%and CO₂ per nautical mile rose 1.0%.That points mainly to how much the vessel sailed, rather than the other.

Where the 2024 emissions occurred

Methane, nitrous oxide and EU ETS2024

Total CO₂ equivalent: 11,061 t
Methane (CH₄): 0.17 t
Nitrous oxide (N₂O): 0.62 t
Under EU ETS: 6,352 t, 58% of total

Verifier history

From reporting year	Verifier	Accredited in
2018	Lloyd's Register Quality Assurance Ltd	United Kingdom
2020	DNV	Germany

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 2018–2024, published by the European Commission.
Vessel particulars: Wikidata (CC0) and Wikimedia Commons.

This page draws on 6 MRV reporting years, an efficiency ranking, 5 of 5 vessel particulars and a licensed photograph. Not found in the sources for this vessel: 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.