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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.
- Ibaizabal Tankers SLyour view
Side by side
All 2025 reports of each operator, across every ship type. Change is against 2024 where the operator reported then.
| Ibaizabal Tankers SL | |
|---|---|
| Ships | 7 |
| CO₂ emitted | 131 kt−24.9% |
| Fuel per mile | 142 kg/nm |
| Average speed | 11.1 kn |
| CO₂ at berth | 8.3% |
| Ships burning LNG | 0 |
| Main segment | Oil 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.
Oil tanker
CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 8.0
- Ibaizabal Tankers SL6.1 (−23% vs median)
- ← bettersegment medianworse →
| Ships | Per work | vs median | Fuel kg/nm | Speed kn | Hours at sea | At berth | LNG | |
|---|---|---|---|---|---|---|---|---|
| Ibaizabal Tankers SL | 7 | 6.1 | −23% | 142 | 11.1 | 4,337 | 8.3% | – |
| Segment median | 8.0 | 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 | |
|---|---|---|---|---|---|
| Ibaizabal Tankers SL | Lloyd's Register (7) | 100% | 0% | 0% | 0% |
Ibaizabal Tankers SL: 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 |
|---|---|---|---|---|---|---|---|---|
| MONTESTENA | 9585883 | Oil tanker | 7.2 g CO₂/t·nm | 6.3 | +14% | 11.0 | 31,498 t | €855k |
| MONTE UDALA | 9785823 | Oil tanker | 7.1 g CO₂/t·nm | 6.3 | +13% | 10.7 | 21,321 t | €679k |
| MONTE URBASA | 9785835 | Oil tanker | 6.5 g CO₂/t·nm | 6.3 | +3% | 11.3 | 9,029 t | €248k |
| MONTE URQUIOLA | 9803273 | Oil tanker | 4.5 g CO₂/t·nm | 4.6 | −3% | 11.5 | 15,659 t | €491k |
| MONTE SERANTES | 9841615 | Oil tanker | 5.7 g CO₂/t·nm | 6.3 | −9% | 10.7 | 21,150 t | €647k |
| MONTE ULIA | 9803285 | Oil tanker | 5.7 g CO₂/t·nm | 6.3 | −9% | 11.3 | 30,349 t | €894k |
30 of 7 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.