Definitions of maturity levels according to uptake across the maritime industry, and degree of proven technology/principle
| Name | Function | Technical Maturity | Applicability |
|---|---|---|---|
| Auxiliary systems optimization | Optimizing auxiliary systems to actual operational profiles, not design conditions |
Semi-mature | All vessels |
| Engine de-rating | De-rating an engine for reduction of the vessel's maximum speed to increase its efficiency by limiting the potential power output |
Semi-mature | Vessels sailing 10-15% slower than design speed |
| Engine performance optimization (automatic) | Automatic increase of engine efficiency through testing and tuning according to actual operational load and conditions |
Mature | Mainly for two stroke engines |
| Engine performance optimization (manual) | Manual increase of engine efficiency through testing and tuning according to actual operational load and conditions |
Mature | All vessels |
| Exhaust gas boilers on auxiliary engines | Exhaust gas boilers recover the heat from the exhaust gas of auxiliary engines to generate steam, hot water or heat for process heating |
Semi-mature | Vessels without shaft generator |
| Hybridization (plug-in or conventional) | Use of electricity to replace various modes of power consumption |
Semi-mature | Vessels with large fluctuations in power output (ferries, offshore vessels, tugs) |
| Improved auxiliary engine load | Increase of the auxiliary engines' load and efficiency by reducing the number of auxiliary engines running |
Semi-mature | All vessels |
| Shaft generator | Produce electricity from the main propulsion engine |
Mature | All vessels with high power needs and long transits |
| Shore power | Use of on shore power supply in ports to reduce fuel consumption on power producing engines |
Mature | For smaller vessels and in ports with developed solutions for larger vessels |
| Steam plant operation improvement | Improve operations and maintenance of steam plant system saving fuel on oil fired boiler |
Mature | Mainly crude and product tankers |
| Waste heat recovery systems | Recover thermal energy from the exhaust gas and convert it into electrical energy |
Semi-mature | All vessels with engines above 10 MW |
| Name | Function | Technical Maturity | Applicability |
|---|---|---|---|
| Hull cleaning | Removal of fouling on the hull to increase the vessel's hydrodynamic performance |
Mature | All vessels |
| Hull form optimization | Optimizing the hull for lower resistance through water |
Mature | All vessels |
| Hull performance coating | Reduction of the hull's resistance through water |
Mature | All vessels |
| Propeller polishing | Removal of fouling on the propeller |
Mature | All vessels |
| Propeller retrofitting | Retrofitting the propeller to increase efficiency |
Semi-mature | All vessels |
| Propulsion Improving Devices (PIDs) | Installation of propulsion improving devices |
Mature | All vessels |
| Name | Function | Technical Maturity | Applicability |
|---|---|---|---|
| Energy efficient lighting system | Use of energy efficient lighting equipment, such as LED light, to increase efficiency and remove heat loss from light devices |
Mature | All vessels |
| Frequency controlled electric motors | Regulating the frequency of the motors in order to adapt the motor optimized load |
Mature | All vessels |
| Name | Function | Technical Maturity | Applicability |
|---|---|---|---|
| Fixed sails or wings | Use sails or wings to replace some of the propulsion power needed |
Not mature | Vessels with enough place on deck (general cargo, tankers, bulkers) |
| Flettner rotors | Use Flettner rotors to generate power from wind energy |
Not mature | Dependent on trading area and sufficient free deck-surface |
| Kite | Use a kite to replace some of the propulsion power needed |
Not mature | All vessels |
| Solar panels | Install solar panels for conversion of solar energy to electricity |
Not mature | Dependent on trading area and sufficient free deck-surface |
| Name | Function | Technical Maturity | Applicability |
|---|---|---|---|
| Autopilot adjustment and use | Use of an automatic system to control the vessel's rudder in a more energy efficient manner |
Mature | All vessels |
| Combinator optimizing | Use of optimized pitch settings and propeller speed for optimized efficiency of propulsion system |
Mature | For vessels with controllable pitch propeller |
| Efficient DP Operation | Optimize the operation in DP mode |
Semi-mature | Vessels with DP mode |
| Speed management | Management of the vessel's speed in the most efficient manner |
Semi-mature | All vessels |
| Trim and draft optimization | Optimizing the trim and draft to reduce the vessel's water resistance |
Semi-mature | All vessels |
| Weather routing | Including weather conditions when planning a voyage |
Mature | All vessels |