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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.
- Maran Shuttle Tankers Norway ASyour view
Side by side
All 2025 reports of each operator, across every ship type. Change is against 2024 where the operator reported then.
| Maran Shuttle Tankers Norway AS | |
|---|---|
| Ships | 13 |
| CO₂ emitted | 236 kt+12.3% |
| Fuel per mile | 199 kg/nm |
| Average speed | 6.9 kn |
| CO₂ at berth | 10.2% |
| 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
- Maran Shuttle Tankers Norway AS17.0 (+113% vs median)
- ← bettersegment medianworse →
| Ships | Per work | vs median | Fuel kg/nm | Speed kn | Hours at sea | At berth | LNG | |
|---|---|---|---|---|---|---|---|---|
| Maran Shuttle Tankers Norway AS | 13 | 17.0 | +113% | 199 | 6.9 | 4,253 | 10.2% | – |
| 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 | |
|---|---|---|---|---|---|
| Maran Shuttle Tankers Norway AS | DNV (13) | 0% | 100% | 100% | 0% |
Maran Shuttle Tankers Norway AS: 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 |
|---|---|---|---|---|---|---|---|---|
| RAINBOW SPIRIT | 9837171 | Oil tanker | 17.0 g CO₂/t·nm | 8.2 | +107% | 7.0 | 25,979 t | €874k |
| MARAN THULE | 9895264 | Oil tanker | 20.7 g CO₂/t·nm | 10.4 | +99% | 9.1 | 10,218 t | €315k |
| MARAN NANSEN | 9438860 | Oil tanker | 19.8 g CO₂/t·nm | 10.4 | +90% | 6.4 | 22,560 t | €1.0m |
| MARAN AMUNDSEN | 9438858 | Oil tanker | 18.6 g CO₂/t·nm | 10.4 | +79% | 6.7 | 21,888 t | €890k |
| SCOTT SPIRIT | 9466142 | Oil tanker | 18.1 g CO₂/t·nm | 10.4 | +74% | 6.0 | 22,822 t | €893k |
| MARAN CURRENT | 9843924 | Oil tanker | 18.1 g CO₂/t·nm | 10.4 | +74% | 6.5 | 18,032 t | €747k |
| MARAN TIDE | 9843912 | Oil tanker | 17.4 g CO₂/t·nm | 10.4 | +67% | 7.0 | 21,680 t | €782k |
| MARAN WAVE | 9863558 | Oil tanker | 17.0 g CO₂/t·nm | 10.4 | +63% | 7.1 | 15,399 t | €553k |
| PEARY SPIRIT | 9466130 | Oil tanker | 16.5 g CO₂/t·nm | 10.4 | +59% | 7.7 | 26,072 t | €953k |
| MARAN WIND | 9863560 | Oil tanker | 14.4 g CO₂/t·nm | 10.4 | +38% | 6.7 | 17,589 t | €644k |
| AURORA SPIRIT | 9837169 | Oil tanker | 14.1 g CO₂/t·nm | 10.4 | +36% | 5.8 | 19,704 t | €771k |
| SERTANEJO SPIRIT | 9637715 | Oil tanker | 8.5 g CO₂/t·nm | 6.3 | +35% | 10.0 | 7,911 t | €214k |
| BOSSA NOVA SPIRIT | 9637703 | Oil tanker | 8.2 g CO₂/t·nm | 6.3 | +31% | 9.9 | 6,353 t | €173k |
30 of 13 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.