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Compare operators, 2025

Pick a company or group, then the competitors to hold it against, or compare verifiers. Every figure comes from the public THETIS-MRV reports for EU and EEA voyages.

Side by side

All 2025 reports of each operator, across every ship type. Change is against 2024 where the operator reported then.

Zodiac
Ships81
CO₂ emitted1.3 Mt+25.6%
Fuel per mile163 kg/nm
Average speed12.5 kn
CO₂ at berth3.9%
Ships burning LNG4
Main segmentContainer

Fuel per mile and speed depend on ship size and type; compare them within a segment below.

Segment by segment

Efficiency only compares within a ship type. Each row gives the CO₂ per transport work of an operator's typical (median) ship, and the bar sets it against the typical ship of the whole segment: to the left of the line it emits less CO₂ for the same transport work, to the right more.

Container

CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 16.3

  • Zodiac8.3 (−49%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Zodiac208.3−49%23813.93,5761.8%–
Segment median 16.30%

Oil tanker

CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 8.0

  • Zodiac6.7 (−16%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Zodiac246.7−16%15710.32,4779.5%–
Segment median 8.00%

Vehicle carrier

CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 55.4

  • Zodiac47.1 (−15%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Zodiac1247.1−15%9714.72,3723.5%3
Segment median 55.40%

Chemical tanker

CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 15.0

  • Zodiac14.3 (−5%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Zodiac1214.3−5%6511.72,2453.7%–
Segment median 15.00%

Gas carrier (LPG)

CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 35.6

  • Zodiac14.5 (−59%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Zodiac614.5−59%10412.02,1605.4%–
Segment median 35.60%

Bulk carrier

CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 7.9

  • Zodiac4.6 (−41%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Zodiac54.6−41%12610.32,4342.0%–
Segment median 7.90%

Ro-ro

CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 95.2

  • Zodiac46.1 (−52%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Zodiac146.1−52%8914.44,6744.8%1
Segment median 95.20%

General cargo

CO₂ per transport work (dwt) in g CO₂/dwt·nm · segment median 25.5

  • Zodiac8.4 (−67%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Zodiac18.4−67%789.13191.1%–
Segment median 25.50%

Verification and monitoring

Who verifies each operator's reports, and which MRV methods its ships use to measure fuel (share of reports).

Verifiers (ships)A · delivery notesB · tank monitoringC · flow metersD · direct
ZodiacABS (79), ICS Verification Services (2)2%0%98%0%

Zodiac: ships furthest from their peers

Each ship's CO₂ per transport work against the median ship of its type and size band. +100% means the ship emits twice as much CO₂ for the same transport work as a typical ship of its size. Ro-pax ships show passenger figures, with freight underneath.

ShipIMOSegmentCO₂ per transport workSize-band medianvs medianSpeed knCO₂Allowances
GOLD XING9308807Vehicle carrier274 g CO₂/t·nm158+73%14.112,412 t€336k
LEO SUN9457608Oil tanker17.1 g CO₂/t·nm10.4+65%5.51,498 t€43k
RUBY TOWER9618276Container16.9 g CO₂/t·nm10.3+64%14.117,351 t€0
CELESTE NOVA9534054Oil tanker6.7 g CO₂/t·nm4.6+46%9.510,716 t€353k
WHITE MOON9588158Oil tanker6.4 g CO₂/t·nm4.6+38%10.010,643 t€315k
EMERALD TOWER9618288Container14.2 g CO₂/t·nm10.3+38%15.723,203 t€0
HAI SHANG9792852Oil tanker10.4 g CO₂/t·nm8.2+27%10.013,501 t€326k
AZURE NOVA9602631Oil tanker5.6 g CO₂/t·nm4.6+23%11.825,205 t€700k
SAPPHIRE TOWER9618290Container12.6 g CO₂/t·nm10.3+23%15.142,917 t€0
DONINGTON9748291Vehicle carrier40.3 g CO₂/t·nm35.1+15%12.911,403 t€335k
MAERSK CANYON9924235Container8.1 g CO₂/t·nm7.1+14%16.178,669 t€2.1m
THRUXTON9782089Vehicle carrier48.9 g CO₂/t·nm43.7+12%16.320,632 t€635k
BRIGHTON9332846Container15.8 g CO₂/t·nm14.4+10%9.824,227 t€736k
BLUE NOVA9534846Oil tanker5.0 g CO₂/t·nm4.6+9%10.827,640 t€818k
HAIFENG9792840Oil tanker8.7 g CO₂/t·nm8.2+6%11.513,056 t€389k
CANAL STREET9539561Oil tanker11.0 g CO₂/t·nm10.4+6%11.56,155 t€231k
MAERSK CAMBRIDGE9924182Container7.4 g CO₂/t·nm7.1+4%16.177,704 t€2.1m
LYDDEN9782091Vehicle carrier79.3 g CO₂/t·nm76.1+4%13.59,939 t€274k
RICHMOND PARK9624782Chemical tanker15.8 g CO₂/t·nm15.2+4%11.89,926 t€277k
SAIC ANJI ETERNITY9955040Vehicle carrier36.5 g CO₂/t·nm35.1+4%16.04,316 t€118k
BROOKLANDS9748289Vehicle carrier56.8 g CO₂/t·nm55.4+2%15.211,625 t€311k
SOHO SQUARE9505819Oil tanker8.3 g CO₂/t·nm8.2+1%10.420,577 t€581k
BERKELEY SQUARE1027914Oil tanker10.6 g CO₂/t·nm10.4+1%8.42,690 t€85k
DORSET9470088Gas carrier (LPG)14.5 g CO₂/t·nm14.4+1%7.23,527 t€96k
RED MOON9590307Oil tanker6.3 g CO₂/t·nm6.30%9.916,677 t€478k
HYDE PARK9725861Chemical tanker15.2 g CO₂/t·nm15.20%11.86,502 t€189k
ZENITH LUMOS9864215Container7.0 g CO₂/t·nm7.1−2%11.727,968 t€803k
ZEAL LUMOS9864241Container6.9 g CO₂/t·nm7.1−3%13.039,578 t€1.1m
MAERSK CAMPTON9924211Container6.9 g CO₂/t·nm7.1−3%15.458,612 t€1.6m
GEMINI SUN9343340Oil tanker8.0 g CO₂/t·nm8.2−3%10.213,363 t€400k

30 of 81 reports shown. A high ratio can mean an older or faster-sailing ship, short trades with much time manoeuvring, or part-loaded voyages; it marks where to look first.

Notes

  • Companies are ISM companies (Document of Compliance holders) as named in THETIS, usually the ship manager.
  • Groups combine ISM companies matched on name and known ownership. If a company is in the wrong group, tell us at info@navalyze.com.
  • Efficiency figures use full-year reports with fuel; totals include part-year reports.
  • Euro figures use the EUA price set at the top of the page.
  • Verifier names vary by entity and year (for example DNV AS and DNV Hellas); they are rolled up into one brand. A verifier's figures cover the ships whose 2025 report it verified.