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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.
- SYNERGY DENMARK A/Syour view
Side by side
All 2025 reports of each operator, across every ship type. Change is against 2024 where the operator reported then.
| SYNERGY DENMARK A/S | |
|---|---|
| Ships | 37 |
| CO₂ emitted | 289 kt−17.8% |
| Fuel per mile | 95 kg/nm |
| Average speed | 11.4 kn |
| CO₂ at berth | 10.4% |
| 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
- SYNERGY DENMARK A/S14.3 (+80% vs median)
- ← bettersegment medianworse →
| Ships | Per work | vs median | Fuel kg/nm | Speed kn | Hours at sea | At berth | LNG | |
|---|---|---|---|---|---|---|---|---|
| SYNERGY DENMARK A/S | 37 | 14.3 | +80% | 95 | 11.4 | 2,428 | 10.4% | – |
| 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 | |
|---|---|---|---|---|---|
| SYNERGY DENMARK A/S | ABS (37) | 100% | 0% | 78% | 0% |
SYNERGY DENMARK A/S: 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 |
|---|---|---|---|---|---|---|---|---|
| BRO ANNA | 9344435 | Oil tanker | 40.6 g CO₂/t·nm | 27.1 | +50% | 9.1 | 9,279 t | €314k |
| HENRY MAERSK | 9399351 | Oil tanker | 15.0 g CO₂/t·nm | 10.4 | +45% | 11.6 | 9,926 t | €338k |
| EASTERN SPIRAEA | 9909754 | Oil tanker | 35.1 g CO₂/t·nm | 27.1 | +29% | 10.3 | 5,524 t | €246k |
| BRO NISSUM | 9340623 | Oil tanker | 34.0 g CO₂/t·nm | 27.1 | +25% | 10.3 | 6,972 t | €312k |
| HENRIETTE MAERSK | 9399349 | Oil tanker | 12.6 g CO₂/t·nm | 10.4 | +21% | 11.9 | 10,243 t | €405k |
| HULDA MAERSK | 9399363 | Oil tanker | 30.9 g CO₂/t·nm | 27.1 | +14% | 11.5 | 4,225 t | €91k |
| OM SINGAPORE | 9341433 | Oil tanker | 30.9 g CO₂/t·nm | 27.1 | +14% | 11.8 | 3,730 t | €113k |
| MAERSK KATARINA | 9431290 | Oil tanker | 30.1 g CO₂/t·nm | 27.1 | +11% | 12.0 | 4,918 t | €181k |
| EFFIE MAERSK | 9682978 | Oil tanker | 4.8 g CO₂/t·nm | 4.6 | +5% | 11.9 | 26,925 t | €1.0m |
| HENNING MAERSK | 9389526 | Oil tanker | 28.1 g CO₂/t·nm | 27.1 | +3% | 10.4 | 7,241 t | €202k |
| CL MARGUERITE DURAS | 9943358 | Oil tanker | 10.6 g CO₂/t·nm | 10.4 | +2% | 12.1 | 4,268 t | €128k |
| MAERSK KATE | 9431276 | Oil tanker | 26.8 g CO₂/t·nm | 27.1 | −1% | 10.9 | 10,930 t | €252k |
| MAERSK KARA | 9374428 | Oil tanker | 25.4 g CO₂/t·nm | 27.1 | −6% | 11.6 | 8,723 t | €316k |
| MAERSK TOKYO | 9718076 | Oil tanker | 9.2 g CO₂/t·nm | 10.4 | −12% | 12.0 | 4,946 t | €167k |
| EVA MAERSK | 9682992 | Oil tanker | 4.0 g CO₂/t·nm | 4.6 | −12% | 12.0 | 21,845 t | €707k |
| HELENE MAERSK | 9389514 | Oil tanker | 8.8 g CO₂/t·nm | 10.4 | −16% | 11.7 | 5,796 t | €179k |
| CL XUNYANG | 9718088 | Oil tanker | 8.6 g CO₂/t·nm | 10.4 | −17% | 8.7 | 422 t | €11k |
| CL GEORGE ELIOT | 9943360 | Oil tanker | 8.2 g CO₂/t·nm | 10.4 | −21% | 12.2 | 5,534 t | €166k |
| MAERSK TACOMA | 9708617 | Oil tanker | 8.1 g CO₂/t·nm | 10.4 | −22% | 11.8 | 4,494 t | €122k |
| MAERSK KAYA | 9431288 | Oil tanker | 20.7 g CO₂/t·nm | 27.1 | −24% | 11.0 | 10,568 t | €488k |
| MAERSK AEGEAN | 9636644 | Oil tanker | 20.2 g CO₂/t·nm | 27.1 | −26% | 11.7 | 11,259 t | €463k |
| MAERSK ADRIATIC | 9636632 | Oil tanker | 20.1 g CO₂/t·nm | 27.1 | −26% | 12.1 | 9,277 t | €421k |
| MAERSK CRETE | 9786190 | Oil tanker | 7.7 g CO₂/t·nm | 10.4 | −26% | 11.3 | 4,087 t | €138k |
| HANS MAERSK | 9389497 | Oil tanker | 19.7 g CO₂/t·nm | 27.1 | −28% | 11.3 | 12,047 t | €450k |
| ELISABETH MAERSK | 9682980 | Oil tanker | 3.3 g CO₂/t·nm | 4.6 | −29% | 12.4 | 8,137 t | €236k |
| CL TONI MORRISON | 9943384 | Oil tanker | 7.3 g CO₂/t·nm | 10.4 | −30% | 12.1 | 10,431 t | €309k |
| MAERSK CYPRUS | 9786217 | Oil tanker | 6.9 g CO₂/t·nm | 10.4 | −34% | 12.1 | 4,037 t | €119k |
| CL VIRGINIA WOOLF | 9943396 | Oil tanker | 6.8 g CO₂/t·nm | 10.4 | −35% | 12.2 | 7,537 t | €227k |
| KIRSTEN MAERSK | 9431264 | Oil tanker | 17.1 g CO₂/t·nm | 27.1 | −37% | 11.7 | 9,165 t | €394k |
| BRO NUUK | 9323819 | Oil tanker | 3.8 g CO₂/t·nm | 6.3 | −40% | 9.8 | 7,219 t | €309k |
30 of 37 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.