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Navalyze · Bulk carrier · Ship

ALPHA OPTIMISM

IMO
9722388
Type
Bulk carrier
Average cargo carried
139,883 t
Flag (estimated)
Malta
Port of registry
Valletta
Technical efficiency
EEXI 2.40 g CO₂/t·nm

ISM company (DoC holder) in 2025: ALPHA BULKERS SHIPMANAGEMENT

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2025 at a glance

From the 2025 THETIS-MRV report. Carries about 139,883 t of cargo on average.

Fuel kg/nm
150
Bulk carrier median 82.6 kg/nm (+81%)
CO₂ per transport work (cargo)
3.34
g CO₂/t·nm · Bulk carrier median 7.90 (−58%)
Average speed
9.7 kn
Bulk carrier median 10.7 kn (−9%)
Fuel per day at sea
34.8 t/day
Fuel consumed
2,780 t
CO₂ emitted
8,685 t
8,822 t CO₂eq incl. CH₄ and N₂O
Distance sailed
18,589 nm
CO₂ ÷ CO₂ per mile
Time at sea
1,915 h
80 days, 22% of the year

Within the bulk carrier fleet, 2025

Set against all 3,611 bulk carrier ships with a full-year 2025 report. Bigger ships burn more per mile but less per tonne of cargo, so read fuel per mile with the ship's size in mind.

Fuel kg/nmThis ship 150 kg/nm · median 82.6 (+81%)
61.0Ranks 3,477 of 3,611, lowest first114
Average speedThis ship 9.7 kn · median 10.7 (−9%)
8.8Faster than 21% of bulk carrier ships11.8
CO₂ per transport work (cargo)This ship 3.34 g CO₂/t·nm · median 7.90 (−58%)
4.80Ranks 76 of 3,611, lowest first15.9
Middle 80% of shipsMiddle 50%Bulk carrier medianThis ship

Where the emissions happen, 2025

THETIS splits each ship's emissions by voyage type. The split sets how much falls under the EU ETS: all of it within the EU and at berth, half of it on voyages into or out of the EU.

  • Between EU ports4%
  • From the EU14%
  • Into the EU80%
  • At berth in the EU2%

53% of this ship's CO₂ falls under the EU ETS (4,628 t).

Fuel burned laden
2,332 t
84% of all fuel; 16% in ballast or unladen
CO₂ at berth
188 t
2.2% of the ship's CO₂, alongside in EU ports
Methane (CH₄)
0.1 t
Mainly from LNG; small for oil, biofuel and methanol
CO₂eq uplift
+137 t
+1.6% CO₂eq on top of CO₂ alone, from CH₄ and N₂O; counted in full from 2026

Over the years

Full-year reports only. The Bulk carrier median is the middle ship of all bulk carrier ships reporting that year; it moves with the fleet, so a ship can gain on it without changing itself.

Fuel kg/nm

  • ALPHA OPTIMISM
  • Bulk carrier median

Average speed, kn

  • ALPHA OPTIMISM
  • Bulk carrier median

CO₂ per transport work (cargo), g CO₂/t·nm

  • ALPHA OPTIMISM
  • Bulk carrier median

Year on year

YearAverage speedFuel kg/nmFuel per day at seaDistanceCO₂ per transport workReading
2023→2025+0.0 kn+28%+29%−29%+48%Same speed, fuel per mile up 28%; worse than speed alone explains (fouling, weather, loading or trade).

Fuel per mile rises roughly with the square of speed for a given ship, so a change in speed explains much of a change in fuel per mile.

Every reporting year

One row per THETIS-MRV report. A ship that changed operator during a year has a part-year report for each.

Operation

YearISM companyFuel tCO₂ tDistance nmHours at seahAverage speedknots at seaFuel kg/nmthis shipCO₂ per transport work (cargo)g/t·nm, this shipLaden fuel
2025ALPHA BULKERS SHIPMANAGEMENT2,7808,68518,5891,9159.71503.3484%
2023not published3,0309,49826,0062,6909.71172.2590%

Benchmark and verification

YearISM companyCO₂ per TW, g CO₂/t·nmBulk carrier medianvs Bulk carrierRankVerifierMethods
2025ALPHA BULKERS SHIPMANAGEMENT3.347.90−58%76 of 3,611ABSA
2023not published2.258.27−73%4 of 3,548ABSA

Fuel per mile and CO₂ per tonne-mile are the ship's own reported KPIs. Bulk carrier ships are benchmarked on CO₂ per transport work (cargo) (TW), in g CO₂/t·nm. CO₂eq adds methane and nitrous oxide and is in the public files from 2024. Rank counts from the lowest figure among that year's bulk carrier ships. Methods: A delivery notes, B tank monitoring, C flow meters, D direct measurement. FuelEU GHG intensity is not shown: it needs fuel types, which the public file does not carry. Operators are named only from 2024, the first year the public files carry them; earlier years belong to the ship, not to any company.