Technology Groups

Definitions of maturity levels according to uptake across the maritime industry, and degree of proven technology/principle

Machinery

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

Propulsion and hull improvements

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

Energy consumers

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

Energy recovery

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

Technical solutions

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