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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.
- H. Folmer & Co.your view
Side by side
All 2025 reports of each operator, across every ship type. Change is against 2024 where the operator reported then.
| H. Folmer & Co. | |
|---|---|
| Ships | 7 |
| CO₂ emitted | 18 kt |
| Fuel per mile | 30 kg/nm |
| Average speed | 7.4 kn |
| CO₂ at berth | 0.9% |
| 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
- H. Folmer & Co.105 (+312% vs median)
- ← bettersegment medianworse →
| Ships | Per work | vs median | Fuel kg/nm | Speed kn | Hours at sea | At berth | LNG | |
|---|---|---|---|---|---|---|---|---|
| H. Folmer & Co. | 7 | 105 | +312% | 30 | 7.4 | 3,668 | 0.9% | – |
| 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 | |
|---|---|---|---|---|---|
| H. Folmer & Co. | Polish Register of Shipping (7) | 0% | 0% | 0% | 0% |
H. Folmer & Co.: 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 |
|---|---|---|---|---|---|---|---|---|
| DANICA RAINBOW | 8503979 | General cargo | 530 g CO₂/dwt·nm | 25.5 | +1982% | 6.4 | 7,863 t | €265k |
| DANICA SUNBEAM | 8701260 | General cargo | 227 g CO₂/dwt·nm | 25.5 | +790% | 5.8 | 749 t | €23k |
| DANICA SUNRISE | 8702410 | General cargo | 113 g CO₂/dwt·nm | 25.5 | +345% | 7.6 | 3,148 t | €98k |
| DANICA VIOLET | 8503967 | General cargo | 105 g CO₂/dwt·nm | 25.5 | +312% | 6.0 | 2,020 t | €66k |
| HANNE DANICA | 9006239 | General cargo | 69.4 g CO₂/dwt·nm | 25.5 | +173% | 8.6 | 1,695 t | €56k |
| MARIANNE DANICA | 9006241 | General cargo | 60.2 g CO₂/dwt·nm | 25.5 | +137% | 8.9 | 1,397 t | €49k |
| KARINA DANICA | 8903014 | General cargo | 54.1 g CO₂/dwt·nm | 25.5 | +112% | 8.6 | 1,602 t | €51k |
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.