Container ship · Malta flag · built 2010
CMA CGM CONSTANZA: CO₂ emissions 2018–2025
IMO 9471202 EU ETS8 reporting years
- CO₂ reported 2025
- 12,672 t
- Fuel burned
- 4,032 t
- Distance
- 23,637 nm
- Time at sea
- 2,574 h
- Emitted at berth
- 13% of total
- Share of year under way
- 29%
- Gross tonnage
- 40,541
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CMA CGM CONSTANZA against its type
Built in 2010, it is 2 years newer than the median container ship on this register, which was built in 2008 (3,088 vessels with a known build year). At 40,541 gross tonnage it is smaller than 55% of the other 3,000 container ships with a recorded tonnage. It is one of 336 container ships here under the Malta flag, 9.6% of the 3,495 on the register. The same builder is recorded for 21 other vessels here, 10 of them container ships. Its MRV returns name it ZIM CONSTANZA for 2018–2021 and CMA CGM CONSTANZA for 2022–2025.
Its 12,672 t of CO₂ for 2025 is 23% 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 536.1 kg CO₂, close to the type median of 545.6 kg. It logged 2,574 hours at sea against a median of 3,155 hours for its type that year. 12.9% of its 2025 emissions were at berth; the median for container ships was 3.2%. Across 8 years with reported emissions, the highest was 2022 (55,080 t) and the lowest 2025 (12,672 t). Its efficiency percentile within the type went from 38 in 2018 to 62 in 2025 (lower is more efficient). Of the 2 sister ships listed below with a 2025 return, 1 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 | 12,672 | 4,032 | 23,637 | 2,574 | 1,632 | 536.1 | 17.7 | 62 |
| 2024 | 30,432 | 9,680 | 58,733 | 4,856 | 2,663 | 518.1 | 15.6 | 50 |
| 2023 | 45,019 | 14,293 | 79,030 | 5,852 | 3,072 | 569.6 | 17.5 | 50 |
| 2022 | 55,080 | 17,622 | 55,461 | 3,742 | 18,919 | 993.1 | 37.5 | 86 |
| 2021 | 42,428 | 13,524 | 68,024 | 4,749 | 1,220 | 623.7 | 20.1 | 62 |
| 2020 | 28,166 | 9,023 | 65,590 | 4,989 | 761 | 429.4 | 15.9 | 50 |
| 2019 | 32,398 | 10,377 | 67,476 | 5,243 | 1,005 | 480.1 | 16.4 | 47 |
| 2018 | 34,169 | 10,946 | 70,753 | 4,797 | 812 | 482.9 | 15.6 | 38 |
Vessel particulars
- IMO number
- 9471202
- Previously reported as
- ZIM CONSTANZA
- Ship type
- Container ship
- Gross tonnage
- 40,541
- Length overall
- 261.1 m
- Year built
- 2010
- Flag state
- Malta Wikidata/AIS, undated
- Technical efficiency (design)
- EEXI (13.9 gCO₂/t·nm)
- Verifier
- AMERICAN BUREAU OF SHIPPING HELLENIC SINGLE MEMBER LIMITED LIABILITY COMPANY (ABS HELLENIC S.M. LTD), Greece
- Accreditation
- 1083-2
- Compliance document issued
- 2026-04-01
- Compliance document expires
- 2027-06-30
Efficiency against its own type2025
Position 1,144 of 1,838 qualifying container ships by EEOI, at the 62nd percentile. The dashed line is the type median, 14.2; this vessel reported 17.7.
EEOI divides emissions by transport work, which for this vessel and year was 716,349,350 tonne-miles over 23,637 nautical miles.
Reported CO₂ by year
Reported CO₂ in 2025 was 62.9% lower than in 2018, for EU/EEA voyages only.
From 2024 to 2025, emissions fell 58.4% while distance sailed fell 59.8%and CO₂ per nautical mile rose 3.5%.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
- 12,870 t
- Methane (CH₄)
- 0.20 t
- Nitrous oxide (N₂O)
- 0.73 t
- Under EU ETS
- 9,925 t, 78% of total
Laden voyages2025
- CO₂ on laden voyages
- 10,972 t, 87% of total
- Fuel, laden
- 3,494 t
- CO₂ per nm, laden
- 466.3 kg
The rest of the 2025 total was emitted on ballast legs or at berth.
Verifier history
| From reporting year | Verifier | Accredited in |
|---|---|---|
| 2018 | VERIFAVIA (UK) LTD | United Kingdom |
| 2020 | NORMEC VERIFAVIA SAS | France |
| 2022 | AMERICAN BUREAU OF SHIPPING HELLENIC SINGLE MEMBER LIMITED LIABILITY COMPANY (ABS HELLENIC S.M. LTD) | Greece |
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.