Chemical tanker · Antigua and Barbuda flag · built 2012
SLOMAN HERA: CO₂ emissions 2018–2025
IMO 9466714 EU ETS7 reporting years
- CO₂ reported 2025
- 6,649 t
- Fuel burned
- 2,075 t
- Distance
- 30,145 nm
- Time at sea
- 3,066 h
- Emitted at berth
- 20% of total
- Share of year under way
- 35%
- Gross tonnage
- 11,956
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SLOMAN HERA against its type
Built in 2012, it is 2 years newer than the median chemical tanker on this register, which was built in 2010 (1,951 vessels with a known build year). At 11,956 gross tonnage it is smaller than 70% of the other 1,899 chemical tankers with a recorded tonnage. It is one of 7 chemical tankers here under the Antigua and Barbuda flag, 0.3% of the 2,344 on the register. Sloman Neptun Schiffahrts-Aktiengesellschaft is linked to 8 vessels on this register. Its MRV returns name it SLOMAN HERA for 2018–2020, SLOMAN HERA (SLOMAN HERA) for 2022 and SLOMAN HERA for 2023–2025. The reported port of registry changed: Saint John's (2018–2020), then Saint John's (AG SJO) (2022), then St. John's (2023–2024), then Saint John's (2025).
Its 6,649 t of CO₂ for 2025 is 20% above the median of 5,533 t among the 1,483 chemical tankers on this register that reported for 2025. Per nautical mile it emitted 220.6 kg CO₂, 12% below the type median of 250.2 kg. It logged 3,066 hours at sea against a median of 2,109 hours for its type that year. 19.6% of its 2025 emissions were at berth; the median for chemical tankers was 6.6%. Across 7 years with reported emissions, the highest was 2018 (9,989 t) and the lowest 2022 (3,562 t). Its efficiency percentile within the type went from 82 in 2018 to 85 in 2025 (lower is more efficient). Of the 5 comparable vessels listed below with a 2025 return, 2 reported a lower CO₂ per nautical mile than this vessel.
Emissions by year2018–2025
| Year | CO₂ (t) | Fuel (t) | Distance (nm) | At sea (h) | At berth (t) | kg CO₂/nm | EEOI | Percentile |
|---|---|---|---|---|---|---|---|---|
| 2025 | 6,649 | 2,075 | 30,145 | 3,066 | 1,303 | 220.6 | 30.9 | 85 |
| 2024 | 6,121 | 1,915 | 26,551 | 2,619 | 1,170 | 230.5 | 30.7 | 81 |
| 2023 | 7,501 | 2,363 | 36,298 | 3,601 | 1,408 | 206.7 | 29.5 | 81 |
| 2022 | 3,562 | 1,128 | 16,957 | 1,721 | 485 | 210.1 | 19.5 | 64 |
| 2020 | 8,213 | 2,577 | 45,932 | 4,425 | 718 | 178.8 | 21.2 | 71 |
| 2019 | 7,594 | 2,389 | 34,560 | 4,900 | 535 | 219.7 | 19.9 | 65 |
| 2018 | 9,989 | 3,169 | 42,280 | 5,300 | 1,568 | 236.3 | 28.8 | 82 |
Vessel particulars
- IMO number
- 9466714
- Previously reported as
- SLOMAN HERA (SLOMAN HERA)
- Ship type
- Chemical tanker
- Gross tonnage
- 11,956
- Length overall
- 145.2 m
- Year built
- 2012
- Flag state
- Antigua and Barbuda per EU MRV 2025
- Port of registry
- Saint John's MRV 2025
- Technical efficiency (design)
- EEXI (8.64 gCO₂/t·nm)
- Verifier
- Swiss Climate EcoCare GmbH, Germany
- Accreditation
- D-VS-20810-01
- Compliance document issued
- 2026-03-27
- Compliance document expires
- 2027-06-30
Efficiency against its own type2025
Position 1,145 of 1,348 qualifying chemical tankers by EEOI, at the 85th percentile. The dashed line is the type median, 14.4; this vessel reported 30.9.
Across the 8 ranked vessels operated by Sloman Neptun Schiffahrts-Aktiengesellschaft, the median percentile is 87. This vessel is more efficient than its own fleet median.
EEOI divides emissions by transport work, which for this vessel and year was 215,048,189 tonne-miles over 30,145 nautical miles.
Reported CO₂ by year
Reported CO₂ in 2025 was 33.4% lower than in 2018, for EU/EEA voyages only. No return is recorded for 2021, so the series has gaps.
From 2024 to 2025, emissions rose 8.6% while distance sailed rose 13.5%and CO₂ per nautical mile fell 4.3%.That points mainly to how much the vessel sailed, rather than the other.
Where the 2025 emissions occurred
Methane, nitrous oxide and EU ETS2025
- Total CO₂ equivalent
- 6,751 t
- Methane (CH₄)
- 0.10 t
- Nitrous oxide (N₂O)
- 0.37 t
- Under EU ETS
- 5,855 t, 88% of total
Verifier history
| From reporting year | Verifier | Accredited in |
|---|---|---|
| 2018 | Swiss Climate EcoCare GmbH | Germany |
| 2023 | DNV | Germany |
| 2025 | Swiss Climate EcoCare GmbH | 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 2018–2025, published by the European Commission.
- Vessel particulars: Wikidata (CC0) and Wikimedia Commons.
This page draws on 7 MRV reporting years, an efficiency ranking, 4 of 5 vessel particulars, a name history and a licensed photograph. Not found in the sources for this vessel: AIS movements in Norwegian waters, 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.