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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.

ALPHA SHIPPING COMPANY SIA
Ships11
CO₂ emitted47 kt+82.9%
Fuel per mile38 kg/nm
Average speed9.9 kn
CO₂ at berth6.3%
Ships burning LNG0
Main segmentGeneral cargo

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.

General cargo

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

  • ALPHA SHIPPING COMPANY SIA26.2 (+3%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
ALPHA SHIPPING COMPANY SIA1026.2+3%3610.03,6126.3%–
Segment median 25.50%

Container

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

  • ALPHA SHIPPING COMPANY SIA70.0 (+329%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
ALPHA SHIPPING COMPANY SIA170.0+329%689.02,7406.4%–
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
ALPHA SHIPPING COMPANY SIASwiss Climate (11)100%0%0%0%

ALPHA SHIPPING COMPANY SIA: 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
CARLA9319868Container70.0 g CO₂/t·nm44.8+56%9.05,309 t€76k
CELINA9019200General cargo39.2 g CO₂/dwt·nm25.5+54%9.33,678 t€0
CLARA9312676General cargo31.3 g CO₂/dwt·nm25.5+23%9.73,768 t€0
LUCA9286712General cargo30.8 g CO₂/dwt·nm25.5+21%9.63,339 t€0
ALTO9277333General cargo28.2 g CO₂/dwt·nm25.5+11%10.24,999 t€164k
ARNE9142564General cargo26.4 g CO₂/dwt·nm25.5+4%10.64,938 t€178k
OPTIMA9210244General cargo25.9 g CO₂/dwt·nm25.5+2%9.84,647 t€159k
AZZARO9213727General cargo25.9 g CO₂/dwt·nm25.5+2%10.83,701 t€136k
NORMAN9361342General cargo24.6 g CO₂/dwt·nm25.5−3%9.23,367 t€0
ARISTO9229116General cargo21.2 g CO₂/dwt·nm25.5−17%10.05,170 t€193k
MONTSERRAT9213739General cargo19.3 g CO₂/dwt·nm25.5−24%11.34,178 t€138k

30 of 11 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.