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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.

Thenamaris
Ships98
CO₂ emitted746 kt−7.8%
Fuel per mile139 kg/nm
Average speed9.8 kn
CO₂ at berth7.8%
Ships burning LNG5
Main segmentOil tanker

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.

Oil tanker

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

  • Thenamaris8.0 (+1%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Thenamaris458.0+1%1458.83,3239.9%–
Segment median 8.00%

LNG carrier

CO₂ per transport work (volume) in g CO₂/m³·nm · segment median 7.1

  • Thenamaris8.3 (+17%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Thenamaris88.3+17%19212.53,3901.9%5
Segment median 7.10%

Chemical tanker

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

  • Thenamaris13.6 (−9%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Thenamaris1113.6−9%9710.71,80210.3%–
Segment median 15.00%

Bulk carrier

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

  • Thenamaris7.0 (−12%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Thenamaris267.0−12%8610.61,5254.1%–
Segment median 7.90%

Gas carrier (LPG)

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

  • Thenamaris44.8 (+26%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Thenamaris644.8+26%8713.21,6741.6%–
Segment median 35.60%

Container

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

  • Thenamaris10.8 (−34%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Thenamaris210.8−34%18015.87250.4%–
Segment median 16.30%

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
ThenamarisRINA (98)0%100%100%0%

Thenamaris: 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
COOL ROVER9333618LNG carrier30.2 g CO₂/m³·nm7.1+324%12.224,421 t€1.1m
SEASALVIA9629550Chemical tanker19.6 g CO₂/t·nm11.5+71%8.711,901 t€345k
SEASTAR9373656Oil tanker16.7 g CO₂/t·nm10.4+60%10.18,422 t€246k
SEAVALOUR9315771Oil tanker15.6 g CO₂/t·nm10.4+50%9.114,892 t€593k
COOL RUNNERLNG9636797LNG carrier10.2 g CO₂/m³·nm7.1+43%10.529,295 t€812k
MATILDA9407457Oil tanker11.7 g CO₂/t·nm8.2+43%5.88,816 t€281k
SEAEXPRESS9344019Oil tanker14.8 g CO₂/t·nm10.4+43%6.710,134 t€381k
SEABLISS9587207Oil tanker11.6 g CO₂/t·nm8.2+42%5.415,356 t€447k
SEAPRIDE9629562Chemical tanker20.6 g CO₂/t·nm15.2+35%8.95,680 t€174k
SEATRIUMPH9783722Oil tanker6.0 g CO₂/t·nm4.6+30%10.613,483 t€388k
SEARAMBLER9892822Gas carrier (LPG)44.8 g CO₂/t·nm35.4+26%12.24,763 t€126k
SEAPASSION9783734Oil tanker5.8 g CO₂/t·nm4.6+26%10.318,151 t€556k
SEAMUSIC9407445Oil tanker10.3 g CO₂/t·nm8.2+25%8.112,652 t€366k
SEATRIBUTE9857468Oil tanker10.0 g CO₂/t·nm8.2+22%8.921,142 t€590k
SEAMAJESTY9601223Oil tanker10.0 g CO₂/t·nm8.2+21%9.510,972 t€310k
SEALEO9473066Oil tanker12.6 g CO₂/t·nm10.4+21%9.311,870 t€370k
COOL EXPLORERLNG9640023LNG carrier8.5 g CO₂/m³·nm7.1+20%14.95,168 t€138k
SEAVISION9790971Oil tanker5.4 g CO₂/t·nm4.6+18%8.622,725 t€632k
SEAVIGOUR9774185Oil tanker9.6 g CO₂/t·nm8.2+17%7.020,360 t€663k
SEAVIOLET9790983Oil tanker7.4 g CO₂/t·nm6.3+17%8.517,816 t€540k
SEACHAMPION9936939Bulk carrier11.1 g CO₂/t·nm9.5+17%10.42,443 t€94k
SEARANGER9759800Oil tanker9.5 g CO₂/t·nm8.2+16%11.014,671 t€420k
SEARIDER9698953Bulk carrier9.2 g CO₂/t·nm8.0+15%12.24,094 t€134k
SEAVICTORY9315783Chemical tanker17.4 g CO₂/t·nm15.2+14%10.04,135 t€151k
COOL VOYAGERLNG9636785LNG carrier8.1 g CO₂/m³·nm7.1+14%12.29,962 t€266k
ST NICHOLAS9934149Chemical tanker12.9 g CO₂/t·nm11.5+12%11.24,975 t€140k
SEAGRACE9934826Oil tanker6.9 g CO₂/t·nm6.3+10%8.116,566 t€509k
SEASURFER9763033Gas carrier (LPG)22.9 g CO₂/t·nm20.9+9%13.97,131 t€189k
SEALOYALTY9783928Oil tanker8.9 g CO₂/t·nm8.2+8%8.918,238 t€518k
SEAFRIEND9629574Chemical tanker16.5 g CO₂/t·nm15.2+8%10.08,228 t€247k

30 of 98 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.