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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.
- Charles M Willie & Co Shippingyour view
Side by side
All 2025 reports of each operator, across every ship type. Change is against 2024 where the operator reported then.
| Charles M Willie & Co Shipping | |
|---|---|
| Ships | 15 |
| CO₂ emitted | 45 kt |
| Fuel per mile | 26 kg/nm |
| Average speed | 9.6 kn |
| CO₂ at berth | 3.1% |
| 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
- Charles M Willie & Co Shipping24.4 (−4% vs median)
- ← bettersegment medianworse →
| Ships | Per work | vs median | Fuel kg/nm | Speed kn | Hours at sea | At berth | LNG | |
|---|---|---|---|---|---|---|---|---|
| Charles M Willie & Co Shipping | 15 | 24.4 | −4% | 26 | 9.6 | 3,832 | 3.1% | – |
| Segment median | 25.5 | 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 | |
|---|---|---|---|---|---|
| Charles M Willie & Co Shipping | DNV (15) | 100% | 33% | 0% | 0% |
Charles M Willie & Co Shipping: 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 |
|---|---|---|---|---|---|---|---|---|
| CELTIC AMBASSADOR | 9312705 | General cargo | 31.0 g CO₂/dwt·nm | 25.5 | +22% | 10.5 | 3,979 t | €155k |
| CELTIC SPIRIT | 9365491 | General cargo | 31.0 g CO₂/dwt·nm | 25.5 | +22% | 10.0 | 1,394 t | €46k |
| CELTIC PIONEER | 9312717 | General cargo | 30.5 g CO₂/dwt·nm | 25.5 | +20% | 9.7 | 4,041 t | €155k |
| CELTIC RAIDER | 9361330 | General cargo | 28.7 g CO₂/dwt·nm | 25.5 | +13% | 10.6 | 3,671 t | €145k |
| CELTIC COMMANDER | 9312729 | General cargo | 28.6 g CO₂/dwt·nm | 25.5 | +12% | 10.5 | 3,563 t | €137k |
| CELTIC EXPLORER | 9380726 | General cargo | 25.6 g CO₂/dwt·nm | 25.5 | +1% | 9.1 | 1,966 t | €62k |
| CELTIC FORTUNE | 9353711 | General cargo | 24.4 g CO₂/dwt·nm | 25.5 | −4% | 9.4 | 3,605 t | €133k |
| CELTIC ENDEAVOUR | 9346706 | General cargo | 24.4 g CO₂/dwt·nm | 25.5 | −4% | 9.4 | 3,058 t | €115k |
| CELTIC VOYAGER | 9377913 | General cargo | 24.4 g CO₂/dwt·nm | 25.5 | −4% | 10.1 | 2,464 t | €81k |
| CELTIC VENTURE | 9521368 | General cargo | 24.2 g CO₂/dwt·nm | 25.5 | −5% | 9.4 | 3,939 t | €61k |
| CELTIC FORESTER | 9256171 | General cargo | 23.6 g CO₂/dwt·nm | 25.5 | −7% | 9.5 | 2,784 t | €103k |
| CELTIC NAVIGATOR | 9256169 | General cargo | 23.1 g CO₂/dwt·nm | 25.5 | −9% | 9.2 | 2,154 t | €72k |
| CELTIC CHALLENGER | 9514913 | General cargo | 21.4 g CO₂/dwt·nm | 25.5 | −16% | 9.3 | 2,639 t | €96k |
| CELTIC CRUSADER | 9521370 | General cargo | 20.6 g CO₂/dwt·nm | 25.5 | −19% | 8.3 | 3,127 t | €98k |
| CELTIC MARINER | 9377925 | General cargo | 20.5 g CO₂/dwt·nm | 25.5 | −20% | 8.8 | 2,806 t | €91k |
30 of 15 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.