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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.
- Visemar di Navigazione Srlyour view
Side by side
All 2025 reports of each operator, across every ship type. Change is against 2024 where the operator reported then.
| Visemar di Navigazione Srl | |
|---|---|
| Ships | 4 |
| CO₂ emitted | 136 kt+0.7% |
| Fuel per mile | 131 kg/nm |
| Average speed | 15.6 kn |
| CO₂ at berth | 6.2% |
| Ships burning LNG | 0 |
| Main segment | Ro-pax |
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.
Ro-pax
CO₂ per transport work (pax) in g CO₂/pax·nm · segment median 567
- Visemar di Navigazione Srl356 (−37% vs median)
- ← bettersegment medianworse →
CO₂ per transport work (freight) in g CO₂/t·nm · segment median 253
- Visemar di Navigazione Srl191 (−25% vs median)
- ← bettersegment medianworse →
| Ships | Per work (pax) | vs median | Fuel kg/nm | Speed kn | Hours at sea | At berth | LNG | |
|---|---|---|---|---|---|---|---|---|
| Visemar di Navigazione Srl | 2 | 356 191 freight | −37% −25% freight | 187 | 19.2 | 4,229 | 6.4% | – |
| Segment median | 567 253 freight | 0% |
Ro-ro
CO₂ per transport work (cargo) in g CO₂/t·nm · segment median 95.2
- Visemar di Navigazione Srl71.4 (−25% vs median)
- ← bettersegment medianworse →
| Ships | Per work | vs median | Fuel kg/nm | Speed kn | Hours at sea | At berth | LNG | |
|---|---|---|---|---|---|---|---|---|
| Visemar di Navigazione Srl | 2 | 71.4 | −25% | 96 | 14.0 | 4,753 | 5.8% | – |
| Segment median | 95.2 | 0% |
Verification and monitoring
Who verifies each operator's reports, and which MRV methods its ships use to measure fuel (share of reports).
Visemar di Navigazione Srl: 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 |
|---|---|---|---|---|---|---|---|---|
| GRENDI STAR | 9799977 | Ro-ro | 69.4 g CO₂/t·nm | 76.5 | −9% | 14.1 | 24,165 t | €1.2m |
| SOUTH ENABLER | 1022641 | Ro-ro | 73.4 g CO₂/t·nm | 100 | −27% | 13.9 | 15,968 t | €771k |
| GNV BRIDGE | 9893369 | Ro-pax | 356 g CO₂/pax·nm 191 g CO₂/t·nm freight | 567 253 | −37% −25% | 19.2 | 47,522 t | €2.5m |
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.