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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.
- ONEXES MARITIME SERVICESyour view
Side by side
All 2025 reports of each operator, across every ship type. Change is against 2024 where the operator reported then.
| ONEXES MARITIME SERVICES | |
|---|---|
| Ships | 4 |
| CO₂ emitted | 11 kt+172.7% |
| Fuel per mile | 64 kg/nm |
| Average speed | 10.6 kn |
| CO₂ at berth | 9.6% |
| Ships burning LNG | 0 |
| Main segment | General 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
- ONEXES MARITIME SERVICES16.8 (−34% vs median)
- ← bettersegment medianworse →
| Ships | Per work | vs median | Fuel kg/nm | Speed kn | Hours at sea | At berth | LNG | |
|---|---|---|---|---|---|---|---|---|
| ONEXES MARITIME SERVICES | 2 | 16.8 | −34% | 64 | 11.0 | 1,862 | 11.1% | – |
| Segment median | 25.5 | 0% |
Bulk carrier
CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 7.9
- ONEXES MARITIME SERVICES24.9 (+215% vs median)
- ← bettersegment medianworse →
| Ships | Per work | vs median | Fuel kg/nm | Speed kn | Hours at sea | At berth | LNG | |
|---|---|---|---|---|---|---|---|---|
| ONEXES MARITIME SERVICES | 2 | 24.9 | +215% | 64 | 9.5 | 762 | 5.3% | – |
| Segment median | 7.9 | 0% |
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 notes | B · tank monitoring | C · flow meters | D · direct | |
|---|---|---|---|---|---|
| ONEXES MARITIME SERVICES | ClassNK (4) | 100% | 0% | 0% | 0% |
ONEXES MARITIME SERVICES: 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.
| Ship | IMO | Segment | CO₂ per transport work | Size-band median | vs median | Speed kn | CO₂ | Allowances |
|---|---|---|---|---|---|---|---|---|
| NAXOS | 9610224 | Bulk carrier | 31.0 g CO₂/t·nm | 15.5 | +100% | 11.7 | 1,377 t | €49k |
| MILOS | 9138446 | Bulk carrier | 18.8 g CO₂/t·nm | 15.5 | +21% | 7.9 | 1,517 t | €52k |
| SANTORINI | 9181493 | General cargo | 24.7 g CO₂/dwt·nm | 25.5 | −3% | 10.9 | 1,750 t | €60k |
| KEFALONIA | 9449780 | General cargo | 9.0 g CO₂/dwt·nm | 25.5 | −65% | 11.0 | 6,626 t | €62k |
30 of 4 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.