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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.

Norwest Ship Management AS
Ships9
CO₂ emitted46 kt+102.5%
Fuel per mile33 kg/nm
Average speed10.1 kn
CO₂ at berth7.0%
Ships burning LNG0
Main segmentRo-ro

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.

Ro-ro

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

  • Norwest Ship Management AS79.7 (−16%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Norwest Ship Management AS479.7−16%3810.74,8924.8%–
Segment median 95.20%

General cargo

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

  • Norwest Ship Management AS40.5 (+59%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Norwest Ship Management AS540.5+59%299.64,5849.9%–
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
Norwest Ship Management ASBureau Veritas (5), DNV (4)11%22%67%0%

Norwest Ship Management AS: 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
SYKLUS9065144General cargo156 g CO₂/dwt·nm25.5+511%6.51,574 t€83k
ICE8412699General cargo69.7 g CO₂/dwt·nm25.5+174%10.76,369 t€318k
SCAN FJELL8405878General cargo40.5 g CO₂/dwt·nm25.5+59%10.23,544 t€181k
CARTEN ELINA8713653General cargo37.3 g CO₂/dwt·nm25.5+47%10.04,476 t€235k
SKOG8912039General cargo35.0 g CO₂/dwt·nm25.5+37%10.34,105 t€215k
LINK SUN8805597Ro-ro88.3 g CO₂/t·nm161−45%11.15,866 t€289k
LINK STAR8805602Ro-ro83.3 g CO₂/t·nm161−48%9.84,974 t€225k
LINK NOVA8911748Ro-ro76.2 g CO₂/t·nm161−53%10.87,362 t€387k
LINK GALAXY8820860Ro-ro73.9 g CO₂/t·nm161−54%11.17,477 t€393k

30 of 9 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.