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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.

Norbulk
Ships25
CO₂ emitted92 kt
Fuel per mile76 kg/nm
Average speed10.6 kn
CO₂ at berth7.4%
Ships burning LNG0
Main segmentChemical 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.

Chemical tanker

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

  • Norbulk36.7 (+144%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Norbulk1236.7+144%7610.41,8339.3%–
Segment median 15.00%

Bulk carrier

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

  • Norbulk9.0 (+14%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Norbulk69.0+14%6910.71,4553.8%–
Segment median 7.90%

Container

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

  • Norbulk27.9 (+71%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Norbulk327.9+71%10612.53385.1%–
Segment median 16.30%

Gas carrier (LPG)

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

  • Norbulk35.9 (+1%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Norbulk335.9+1%11511.92998.1%–
Segment median 35.60%

Vehicle carrier

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

  • Norbulk123 (+122%)
  • ← betterworse →
ShipsPer workvs medianFuel kg/nmSpeed knHours at seaAt berthLNG
Norbulk1123+122%7414.35602.4%–
Segment median 55.40%

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
NorbulkVerifavia (25)100%0%0%0%

Norbulk: 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
VESTHOLMEN9421295Chemical tanker37.1 g CO₂/t·nm21.4+74%9.4289 t€9k
REGGANE9176357Gas carrier (LPG)35.9 g CO₂/t·nm20.9+71%12.51,337 t€38k
ACADIAN9298715Chemical tanker25.6 g CO₂/t·nm15.2+68%11.43,254 t€142k
ALRAR9284013Gas carrier (LPG)53.2 g CO₂/t·nm35.4+50%11.4581 t€16k
EAST COAST9298703Chemical tanker21.9 g CO₂/t·nm15.2+44%11.16,677 t€237k
DESERT OAK9445667Chemical tanker54.0 g CO₂/t·nm39.2+38%11.1148 t€5k
RHOURD ENOUSS9284025Gas carrier (LPG)27.2 g CO₂/t·nm20.9+30%11.81,977 t€56k
SLS AZURE9155377Container27.9 g CO₂/t·nm22.2+26%12.51,400 t€39k
BRENTHOLMEN9436393Chemical tanker47.5 g CO₂/t·nm39.2+21%11.18,010 t€265k
NEW ENGLAND9298727Chemical tanker18.1 g CO₂/t·nm15.2+19%11.32,060 t€56k
FURUHOLMEN9553397Chemical tanker41.7 g CO₂/t·nm39.2+6%10.63,698 t€99k
ASKHOLMEN9436381Chemical tanker39.6 g CO₂/t·nm39.2+1%10.07,628 t€273k
SEASTAR VALIANT9462768Bulk carrier9.6 g CO₂/t·nm9.5+1%10.14,286 t€122k
KIRKEHOLMEN9553402Chemical tanker37.9 g CO₂/t·nm39.2−3%10.06,987 t€241k
SEASTAR VICTORY9612246Bulk carrier9.0 g CO₂/t·nm9.5−6%10.73,203 t€93k
RIVER OAK9438157Chemical tanker36.3 g CO₂/t·nm39.2−7%9.72,464 t€80k
GULHOLMEN9435703Chemical tanker35.6 g CO₂/t·nm39.2−9%10.57,863 t€230k
SEASTAR AVALON9755921Bulk carrier8.5 g CO₂/t·nm9.5−11%11.03,598 t€112k
SEASTAR VIKING9690896Bulk carrier8.3 g CO₂/t·nm9.5−12%11.51,974 t€59k
GOLDEN OAK9445655Chemical tanker32.0 g CO₂/t·nm39.2−18%10.06,395 t€204k
SEBRING9434321Vehicle carrier123 g CO₂/t·nm158−23%14.31,888 t€70k
OCCITAN LISTRAC9549372Bulk carrier10.3 g CO₂/t·nm15.5−34%10.83,760 t€117k

30 of 25 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.