Container ship · Portugal flag · built 2005
CALISTO: CO₂ emissions 2018–2025
IMO 9306067 EU ETS8 reporting years
- CO₂ reported 2025
- 13,525 t
- Fuel burned
- 4,303 t
- Distance
- 49,484 nm
- Time at sea
- 4,267 h
- Emitted at berth
- 12% of total
- Share of year under way
- 49%
- Gross tonnage
- 15,487
CALISTO against its type
Built in 2005, it is 3 years older than the median container ship on this register, which was built in 2008 (3,088 vessels with a known build year). At 15,487 gross tonnage it is smaller than 83% of the other 3,000 container ships with a recorded tonnage. It is one of 307 container ships here under the Portugal flag, 8.8% of the 3,495 on the register. The same builder is recorded for 127 other vessels here, 46 of them container ships. Peter Döhle Schiffahrts-KG is linked to 65 vessels on this register. Its MRV returns name it CALISTO for 2018–2024 and MSC CALISTA II for 2025. The reported port of registry changed: Monrovia ﴾Liberia﴿ (2018), then Monrovia (2019–2020), then Madeira (2021–2025).
Its 13,525 t of CO₂ for 2025 is 17% below the median of 16,359 t among the 2,234 container ships on this register that reported for 2025. Per nautical mile it emitted 273.3 kg CO₂, 50% below the type median of 545.6 kg. It logged 4,267 hours at sea against a median of 3,155 hours for its type that year. 11.9% of its 2025 emissions were at berth; the median for container ships was 3.2%. Across 8 years with reported emissions, the highest was 2024 (15,414 t) and the lowest 2022 (2,480 t). Its efficiency percentile within the type went from 66 in 2018 to 86 in 2025 (lower is more efficient). Of the 6 sister ships 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 | 13,525 | 4,303 | 49,484 | 4,267 | 1,604 | 273.3 | 32.8 | 86 |
| 2024 | 15,414 | 4,874 | 58,706 | 5,022 | 1,862 | 262.6 | 30.9 | 83 |
| 2023 | 14,456 | 4,592 | 54,957 | 4,682 | 2,249 | 263.0 | 30.9 | 79 |
| 2022 | 2,480 | 788 | 49,707 | 4,143 | 486 | 49.9 | 4.9 | 0 |
| 2021 | 13,994 | 4,444 | 46,778 | 4,052 | 2,751 | 299.1 | 33.3 | 82 |
| 2020 | 12,685 | 4,028 | 44,134 | 4,655 | 1,776 | 287.4 | 29.4 | 81 |
| 2019 | 13,197 | 4,206 | 46,648 | 4,181 | 2,045 | 282.9 | 34.6 | 83 |
| 2018 | 12,495 | 3,959 | 50,407 | 5,483 | 1,378 | 247.9 | 24.4 | 66 |
Vessel particulars
- IMO number
- 9306067
- Previously reported as
- MSC CALISTA II
- Call sign
- CQEX6
- Ship type
- Container ship
- Gross tonnage
- 15,487
- Length overall
- 168.0 m
- Beam
- 25.7 m
- Year built
- 2005
- Flag state
- Portugal per EU MRV 2025
- Port of registry
- Madeira MRV 2025
- Ice class
- IA
- Technical efficiency (design)
- EEXI (18.9 gCO₂/t·nm)
- Operator
- Peter Döhle Schiffahrts-KG
- Verifier
- EnvService GmbH, Germany
- Accreditation
- D-VS-20809-01-00
- Compliance document issued
- 2026-03-11
- Compliance document expires
- 2027-06-30
Efficiency against its own type2025
Position 1,587 of 1,838 qualifying container ships by EEOI, at the 86th percentile. The dashed line is the type median, 14.2; this vessel reported 32.8.
Across the 56 ranked vessels operated by Peter Döhle Schiffahrts-KG, the median percentile is 69. This vessel is less efficient than its own fleet median.
EEOI divides emissions by transport work, which for this vessel and year was 412,093,540 tonne-miles over 49,484 nautical miles.
Reported CO₂ by year
Reported CO₂ in 2025 was 8.2% higher than in 2018, for EU/EEA voyages only.
From 2024 to 2025, emissions fell 12.3% while distance sailed fell 15.7%and CO₂ per nautical mile rose 4.1%.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
- 13,736 t
- Methane (CH₄)
- 0.22 t
- Nitrous oxide (N₂O)
- 0.77 t
- Under EU ETS
- 5,896 t, 44% of total
Verifier history
| From reporting year | Verifier | Accredited in |
|---|---|---|
| 2018 | DNV | Germany |
| 2025 | EnvService 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 8 MRV reporting years, an efficiency ranking, 5 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.