Navalyze · General cargo · Ship

NEPTULUS

IMO: 9473705
Type: General cargo ship
Port of registry: Majuro
Technical efficiency: EEXI 6.17 g CO₂/t·nm

ISM company (DoC holder) in 2025: BRAVE MARITIME CORP. INC.

Report year

2025 at a glance

From the 2025 THETIS-MRV report.

Fuel per mile

73.4 kg/nm

General cargo median 35.3 kg/nm (+108%)

CO₂ per transport work (dwt)

8.01

g CO₂/dwt·nm · General cargo median 25.45 (−69%)

Average speed

11.2 kn

General cargo median 9.3 kn (+20%)

Fuel per day at sea

19.7 t/day

Fuel consumed

761 t

CO₂ emitted

2,389 t

2,426 t CO₂eq incl. CH₄ and N₂O

Distance sailed

10,368 nm

CO₂ ÷ CO₂ per mile

Time at sea

925 h

39 days, 11% of the year

Within the general cargo fleet, 2025

Set against all 2,706 general cargo 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 per mileThis ship 73.4 kg/nm · median 35.3 (+108%)

17.4Ranks 2,330 of 2,706, lowest first78.8

Average speedThis ship 11.2 kn · median 9.3 (+20%)

7.0Faster than 82% of general cargo ships12.1

CO₂ per transport work (dwt)This ship 8.01 g CO₂/dwt·nm · median 25.45 (−69%)

10.14Ranks 130 of 2,706, lowest first52.37

Middle 80% of shipsMiddle 50%General cargo medianThis ship

Where the emissions happen, 2025

THETIS splits each ship's CO₂ 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 ports0%
From the EU90%
Into the EU8%
At berth in the EU2%

51% of this ship's CO₂ falls under the EU ETS (1,213 t).

Fuel burned laden

–

Not reported

CO₂ at berth

1.5%

Alongside in EU ports

Methane (CH₄)

0.0 t

Mainly from LNG; small for oil

CO₂eq ÷ CO₂

1.015

Uplift from CH₄ and N₂O, counted in full from 2026

Over the years

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

Fuel per mile, kg/nm

NEPTULUS
General cargo median

20.040.060.080.0100.0

’192019’202020’212021’222022’232023’242024’252025

Average speed, kn

NEPTULUS
General cargo median

9.010.011.012.0

’192019’202020’212021’222022’232023’242024’252025

CO₂ per transport work (dwt), g CO₂/dwt·nm

NEPTULUS
General cargo median

5.010.015.020.025.030.0

’192019’202020’212021’222022’232023’242024’252025

Year on year

Year	Speed	Fuel per mile	Fuel per day	Distance	CO₂ per TW	Reading
2024→2025	+0.9 kn	+9%	+19%	−0%	−25%	0.9 kn faster, fuel per mile up 9%; better than speed alone explains (hull, engine or trade).
2023→2024	+0.1 kn	−12%	−11%	−4%	−6%	Same speed, fuel per mile down 12%; better than speed alone explains (hull, engine or trade).
2022→2023	−0.9 kn	+4%	−5%	−12%	−53%	0.9 kn slower, fuel per mile up 4%; worse than speed alone explains (fouling, weather, loading or trade).
2021→2022	−0.6 kn	−4%	−8%	+8%	+106%	0.6 kn slower, fuel per mile down 4%; worse than speed alone explains (fouling, weather, loading or trade).
2020→2021	+1.4 kn	+4%	+18%	−54%	+6%	1.4 kn faster, fuel per mile up 4%; better than speed alone explains (hull, engine or trade).
2019→2020	−0.5 kn	−14%	−18%	+95%	−23%	0.5 kn slower, fuel per mile down 14%; in line with the speed change.

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

Year	ISM company	Fuel t	CO₂ t	Distance nm	At sea h	Speed kn	Fuel kg/nm	CO₂ g/t·nm	Laden fuel
2025	BRAVE MARITIME CORP. INC.	761	2,389	10,368	925	11.2	73.4	–	–
2024	BRAVE MARITIME CORP. INC.	700	2,203	10,419	1,011	10.3	67.2	–	–
2023	not published	827	2,607	10,871	1,066	10.2	76.1	–	–
2022	not published	908	2,862	12,345	1,114	11.1	73.5	–	–
2021	not published	870	2,743	11,382	974	11.7	76.4	–	–
2020	not published	1,832	5,811	24,895	2,418	10.3	73.6	11.16	–
2019	not published	1,090	3,424	12,740	1,176	10.8	85.5	–	–

Benchmark and verification

Year	ISM company	CO₂ per TW, g CO₂/dwt·nm	General cargo median	vs General cargo	Rank	Verifier	Methods
2025	BRAVE MARITIME CORP. INC.	8.01	25.45	−69%	130 of 2,706	DNV	B+C
2024	BRAVE MARITIME CORP. INC.	10.74	19.25	−44%	278 of 1,111	DNV	C
2023	not published	11.41	20.67	−45%	232 of 1,045	DNV	C
2022	not published	24.47	21.57	+13%	617 of 1,034	DNV	C
2021	not published	11.88	22.70	−48%	139 of 1,142	DNV	C
2020	not published	11.16	8.24	+35%	2,429 of 3,150	DNV	A
2019	not published	14.55	24.96	−42%	172 of 1,154	DNV	A

Fuel per mile and CO₂ per tonne-mile are the ship's own reported KPIs. General cargo ships are benchmarked on CO₂ per transport work (dwt) (TW), in g CO₂/dwt·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 general cargo 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.