Shipping’s new energy technologies

The maritime industry’s future holds a multitude of alternative fuels and energy technologies. What does this rapidly evolving ecosystem look like?
Below is a TRL-agnostic overview of on-board hardware technologies that are at different stages of development – from lab prototypes to commercially ready products. This overview is focused only on companies developing different systems for maritime deployment.

You can sort through the list using the ‘Filter Technologies’ dropdown menu. If you are working on an exciting new technology that should be on this list, or know of a company that is, go ahead and ‘Add Technology‘.
Did you spot an error or see something that should be updated? Let us know!

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  • All Categories (179)
  • Energy Conversion (61)
    • Ammonia Combustion (4)
    • Ammonia Cracker (6)
    • HT-PEM Fuel Cells (2)
    • Ethanol Combustion (1)
    • Hydrogen Combustion (4)
    • Methanol Combustion (6)
    • Methanol Reformer (3)
    • Molten Carbonate Fuel Cells (1)
    • Nuclear / SMRs (3)
    • On-board electrolysis (5)
    • PEM Fuel Cells (22)
    • Solid Oxide Fuel Cells (7)
  • Energy Efficiency (57)
    • Air Lubrication Systems (13)
    • Hydrofoil / Tidal (7)
    • Solar (5)
    • Waste Heat Recovery (9)
    • Whale Tails (1)
    • Wind Technologies (28)
  • Energy Storage (56)
    • Compressed H2 Storage (10)
    • Lead Acid Batteries (1)
    • LOHCs (4)
    • Liquid Storage (H2 a/o NH3) (11)
    • Lithium Batteries (20)
    • Metal air / water batteries (3)
    • Redox Flow Batteries (4)
    • Solid Hydrogen Storage (4)
  • Other (28)
    • Ammonia Refueling (1)
    • On-board emissions capture (21)
    • Hydrogen Refueling (6)
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ABB

Many mini-whale tails work together in the Dynafin to deliver efficient propulsion. Waste heat recovery systems for vessels with >20MW mechanical power.

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Add Technologies

Inflatable wing sail technology.

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Advent Technologies

Formerly SerEnergy, acquired by Advent in 2021. HT-PEM methanol fuel cells for auxiliary power supply.

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Air Liquide

World leader in gases, technologies and services for Industry and Health.

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Airseas

Airseas is bringing flight control technology to the shipping industry.

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Akasol

High-performance lithium-ion battery systems for ships and boats.

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Alfa Laval

On-board CO2 capture and liquefaction system, boiler systems for waste heat recovery and Ocean Glide air lubrication system.

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Alma Clean Power

Alma (previously Clean Power) is a provider of high-temperature fuel cell technology that can run on multiple fuels.

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Alsym Energy

Water-based, manganese and metal oxide batteries.

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Ammonigy GmbH

NH3 cracker, ICE that operates on NH3 + H2 and NH3 afterburner.

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Amogy

Integrated liquid NH3 solution for transportation including storage, cracker and H2-fuel cell.

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ANEMOI

Movable and foldable rotor sail technology.

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Aqualung

Membrane technology that allows CO2 capture even at low concentrations.

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Armada Technologies

Developing a ‘passive air lubrication system’ that operates in a semi-passive mode, and decouples system lubricity from ship speed.

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AYK Energy

Energy storage systems for marine and industrial applications.

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Azane Fuel Solutions

Providing solutions for small-scale ammonia bunkering; building a green ammonia value chain in Norway.

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Ballard Power Systems

PEM fuel cell products manufacturer for markets such as heavy-duty motive, portable power and material handling.

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Bar Technologies

The company’s WindWings system combines wind propulsion and route optimisation.

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BayoTech

Trailer-to-ship high pressure gaseous hydrogen delivery.

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Becker Marine Systems

COBRA Compact Battery Rack for marine applications.

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BeHydro

Spark ignited engines for 100% hydrogen combustion.

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Beyond the sea

Offers two solutions: LibertyKite, a self-standing kite and Seakite, a fully automated kite-system.

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Beyonder

Combination of a Li-ion cell and a capacitor; turning Norwegian sawdust into battery cell technology.

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Bloom Energy

Manufacturer of solid oxide fuel cell systems.

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Blue Technology

Stayed wing sail capable of 360 degree rotation.

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Blue World Technologies

Methanol fuel cells based on a high-temperature PEM technology platform.

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Bluefins

Hydrofoil attached to a ship’s stern through a set of mechanical articulations; inspired by whale tails.

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Bosch

Engineering and tech company developing H2 combustion engines among other technologies.

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Bound4Blue

Autonomous rigid sails systems to be integrated on a wide range of vessels.

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Boundary Layer Technologies

Building high speed container ships using hydrofoil technology.

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Bramble Energy

Light-weight, printed circuit board fuel cell, marinized in collaboration with SEA-KIT.

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Britishvolt

Lithium-ion batteries for mobility applications.

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BWX Technologies

Manufacturer of naval nuclear reactors. Working with Crowley on shallow-draft ships with 5-50 MW modular micro-reactors for shore power supply.

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Calix

Developing RECAST, technology based on limestone, to capture on-board carbon emissions.

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Carbon Ridge

Modular, externally mounted systems capturing CO2 from exhaust and storing it in liquified tanks.

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Carbotreat

Carbon dioxide Capture Utilization (CCU) and Carbon dioxide Capture Storage (CCS) to make processes ready for a CO2 neutral economy.

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Caterpillar Marine

Developed the Cat 3500-E series dual-fuel methanol engines for tugs.

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cellcentric

Volvo + Daimler JV. Developing PEM fuel cells for heavy-duty commercial vehicles and other applications.

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CellCube

Manufacturer of vanadium redox flow battery systems.

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Ceres

Low-cost, fuel-flexible SOFC systems that can run on natural gas, as well as biogas or hydrogen.

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Chart Industries

Design and manufacture of highly engineered cryogenic equipment used from the beginning to the end in the liquid gas supply chain.

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Circonica

Developer of hollow electrode, loose plate, reversible solid oxide fuel cells.

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Clean Marine

Developer of air lubrication and exhaust gas cleaning systems for ships. Rotor sails and carbon capture in development.

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ClearFlame

High temperature, controlled compression ignition engines for ethanol in heavy duty applications.

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Climeon

Modular and scalable HeatPower systems to tap into the excess thermal energy. A single unit is capable of generating up to 355kW.

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CMB Tech

Hydrogen refuelling solutions for marine applications.

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Computed Wing Sail

System based on a rigid, inversible, asymmetric profile provides regular propulsion even on fast ships with limited drift effects.

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Conoship Projects

Developing redox flow-battery technology in collaboration with VanadiumCorp and Vega Reederei.

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CORE POWER

Scalable atomic power technology for ocean transport and heavy industry.

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Corvus Energy

Fuel cell systems based on Toyota’s modules, and battery systems for various maritime and port applications.

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Cryovat

Design, manufacturing, installation and maintenance of cryogenic equipment.

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Cryoworld

Advanced cryogenics made in the Netherlands.

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Cummins

Creates the power solutions that the world depends on.

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DAMEN

Family owned shipyards group working to unlock ‘Oceans of Possibilities’.

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Daphne Technology

Green converter to reduce emissions slip of NOx, N2O, SOx, methane, ammonia and CO2.

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Dealfeng New Energy Technology

Rotor sail technology based on the Magnus effect to create additional thrust for vessels.

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Demaco

Cryogenic piping and bunkering systems for maritime.

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Doosan

PureCell® systems operate 24/7 with high efficiency and ultra-low emissions.

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e1 Marine

Methanol-to-hydrogen generator technology.

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E22

Flow batteries with a recyclable, non-flammable Vanadium-based electrolyte. Track record of > 12k cycles at marginal maintenance cost.

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EAS Batteries

Solutions for hybrid electric and electric applications for ships, underwater vehicles and harbour equipment.

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Eco Marine Power

Offer eco-friendly hybrid marine power, efficiency and propulsion solutions.

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Econowind

Foldable, autonomous and containerised VentiFoil systems for wind-assisted propulsion.

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Ecospray

Fuel cells that can operate on H2 as well as methane; and CO2 capture technology based on calcium salts.

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EH Group

Fuel cells designed for reliability in challenging environments, with a cell pitch of <0.9mm and advanced water/thermal management.

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EKPO Fuel Cell Technologies

A JV between ElringKlinger and OPmobility, supplying fuel cell modules and components to meet the highest of demands.

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Elcogen

Solid oxide cell and stack technology.

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Electriq Global

Potassium borohydride-based technology for hydrogen storage and transportation.

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Energys

90kW to Multi-MW PEM fuel cell systems for marine applications.

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EODev

Result of the pioneering work done on the Energy Observer. H2 generator, H2 range extender and on-site hydrogen production.

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EPRO Advance Technology (EAT)

Solid state, porous silicon (Si+) that can be reacted with water to produce H2.

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EST Floattech

Safe and modular batteries for zero-emission shipping.

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Evolve Hydrogen

Polymer-based electrolyser that can extract hydrogen from natural water sources.

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Expleo

Developer of SOFC + carbon capture solution to enable the use of e-methanol as a maritime fuel.

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Flying Fish

Working on a concept design for a new hydrofoil solar boat class

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Fraunhofer IMM

Catalytic converter to convert residual ammonia and hydrogen into nitrogen and water.

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Freudenberg Group

Developer of battery and fuel cell systems for heavy-duty applications, as well as a methanol/LNG reformer.

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Furukawa Battery

Magnesium-air battery (activated by fresh/salt water) to power small devices on board.

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Gardner Cryogenics

Developer, designer and manufacturer of high-performance tanks and trailers for liquid H2.

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Gas and Heat

Design, construction, supply and installation of cargo systems for gas carriers for shipping liquefied gases.

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Genevos

Clean energy systems integrator specialising in hydrogen and fuel cell applications for the maritime sector.

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Gennal Engineering

Developers of Blue G, a vanadium redox flow battery system with a water-based electrolyte, storage tank, stack cell and regulating pump.

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GILLS Pte

Gas Injected Liquid Lubrication System for vessels.

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Grafmarine Ltd.

Creator and supplier of NanoDeck ’tiles’ which integrate solar panels, batteries and a power management system.

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GT Wings

Developer of AirWing, a patent-pending rigid sail system to reduce fuel consumption.

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GTT

Expert in containment systems with cryogenic membranes to transport and store liquefied gas. Developing LH2 storage and CO2 capture.

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H2 Fuel

Patented sodium borohydride-based technology for the production, storage and release of hydrogen.

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H2 Industries

Solutions for storing, transport and decentralized release of renewable energy using LOHC technology.

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H2Boat

‘Energy Pack’ solution for leisure-vessels comprising a PEM electrolyser, metal hydride storage and a PEMFC.

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H2Site

Membrane reactor technology for on-site production of H2 from different feedstocks.

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H2Storage

Type 4 tanks for hydrogen storage.

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Hanwha

Composite storage tanks for hydrogen.

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Helion

Designer and manufacturer fuel cell stacks and fully-integrated hydrogen systems ranging from a hundred kW to MW+.

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Hexagon Purus

Provider of Type 4 high-pressure cylinders for containers.

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Horizon Fuel Cell Technologies

Lightweight PEM fuel cells at varying degrees of complexity and performance.

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Howden

Air lubrication system developed in collaboration with Foreship, waste heat recovery systems.

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Hydrogenious

Hydrogen storage and transport – based on proprietary and patented Liquid Organic Hydrogen Carrier technology.

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HyFuel

HyFuel will develop, own, and operate a plant for producing hydrogen and hydrogenation of LOHC.

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Hyon

Fast and safe delivery of hydrogen fuels to ships.

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Hyundai HTWO

Development of a next-generation hydrogen fuel cell system for various mobility applications.

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IC Technology

Cryogenic containment systems with new membrane technology to lower evaporation rates.

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Ionada

Compact, membrane contactor carbon capture system for carbon emitters under 200K tons per year.

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Kawasaki

Hydrogen storage and transportation solutions.

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Kriesel Electric

Batteries with patented immersion cooling and heating technology to maintain cell temperature.

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Leclanché

Modular and scalable li-ion battery system for marine applications.

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LG Chem

Advanced, innovative and sustainable solutions for our environment and society.

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Lift Ocean

Hydrofoil systems for high-speed boats.

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Linde

Global leader in the production, processing, storage and distribution of hydrogen.

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Logan Energy

Integrated engineering solutions incorporating hydrogen technologies.

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Luxfer Gas Cylinders

Composite and aluminium gas cylinders for a range of applications across industries.

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Magnuss

Each Vertically-variable Ocean Sail System is a rotating, retractable cylinder that harnesses the wind to propel a ship by means of the Magnus Effect.

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MAN Energy Solutions

Large portfolio of technologies for maritime, including NH3 storage and two-stroke NH3 combustion engines.

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Maxeon

Spinoff of SunPower. Maxeon cells feature a unique tin-plated copper foundation that limits breakage and sensitivity to humidity and corrosion.

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Mitsubishi Heavy Industries

Japanese multinational engineering, electrical equipment and electronics corporation.

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Nakashima

Energy saving devices for ships including the’ ZERO’ Air Lubrication System.

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Nayam Wings

Novel wind propulsion system for maritime vessels based on a rigid wing sail.

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Nedstack

PEM fuel cells supplier with a strategic focus and unique track record in the high-power / high-use domain.

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Noble Gas Systems

High-pressure, lightweight conformable compressed gas storage and delivery for all compressed gases.

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Norse Power

Norsepower Rotor Sails provide a reliable and easy-to-operate auxiliary wind propulsion system with a proven savings record.

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North Sail / SHI-ME

Wing-shaped soft sail to assist ship propulsion.

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NPROXX

Composite pressure vessels (Type 4) for hydrogen storage.

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Nuvera

PEM fuel cell systems developer for heavy-duty applications.

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Oceanbird

Rigid sail with a flap for different ship types. The company is a joint venture between Alfa Laval and Wallenius.

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OceanWings

Rigid and semi-rigid wingsail technology for commercial vessels.

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Orcan Energy

Efficiency PACKs to generate electricity from the unused energy produced by combustion engines. Up to 100 kW net electric maximum rated output.

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OXGRIN

Low-temperature NH3 reformer with an absorbent developed in-house and a patented catalyst solution.

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Panasia

Developing an on-board carbon capture and storage system in collaboration with Samsung Heavy Industries.

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pascal technologies

Specialist in control systems to improve the performance of Air Lubrication Systems for ships.
AirHull technology for boats.

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Pherousa

Technology to crack ammonia to hydrogen of fuel cell quality, based on reactor technology from Helbio S.A.

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Phinergy Marine

Aluminium-air and zinc-air batteries for marine applications.

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PowerCell

PEM fuel cells supplier

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Proton Motor

Manufacturer of hydrogen fuel cells and fuel cell hybrid systems for mobility as well as stationary applications.

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REEL International

Suction Wing SW270 is a solid thick wing, fitted with a rear flap, based on the principle of boundary layer suction.

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RenCat

Commercializing a patent-pending technology to process ammonia to PEMFC-grade hydrogen.

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RIX Industries

RIX hydrogen generator systems enable the integration of advanced fuel reforming and hydrogen purification technologies directly on-board.

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Rolls Royce

The company’s Power Systems business unit is developing mtu engines to operate on methanol.

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Saft

Specialist in advanced technology battery solutions

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Samsung Heavy Industries

Maker of marine battery systems, and Saver Wind, a proprietary system with wing sails to reduce wind resistance.

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Seaborg Technologies

Advanced nuclear (molten salt reactor) technology.

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Seabound

Technology to capture CO2 from the ships’ exhaust using lime (CaO).

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SeaVar

Modular, scalable, direct air capture system for CO2 capture.

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Shift Clean Energy

Unlocking the potential of clean energy through leading-edge energy storage systems.

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ShipGlide

Air lubrication systems are tailor-made and optimised for specific vessels using results of measurements from an in-house lab.

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sHYp

Electrolyser technology that can use sea water to produce hydrogen.

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SideWind

Plug-and-play, recyclable, practical, and cost-effective vertical axis wind turbine (VAWT) for maritime.

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Siemens

BlueVault lithium-ion battery modules for the electrification of the seas.

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Silverstream Technologies

Air lubrication system (ALS) that can be fitted to new and existing vessels.

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SkySails

The system con­sists of 3 main com­po­nents: a tow­ing kite with rope, a launch and re­covery system, and a control system for automated operation.

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Smart Green Shipping

Retractable FastRig (Fully Automated Sail Technology) for tankers and dry bulk vessels.

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Sodaflexx

Dry Powder Exhaust Gas cleaning system for the maritime industry based on Solvay’s sodium bicarbonate.

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Solbian

Flexible and lightweight photovoltaic panels.

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SolidSail

Automated full rig sails, with a jib mounted on a symmetric boom; can be designed for vessels between 70m – 400m.

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SoundEnergy

The THEAC-25 converts heat into cold via thermoacoustic technology.

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Spear

Environmentally-friendly battery solutions for ferries, ships, and water-based vehicles of all sizes.

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TECO 2030

Developing and manufacturing green technology to reduce the marine environmental footprint, with AVL.

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Ulmatec

Products that enable the use of surplus heat from exhaust gas, while simultaneously delivering full-spectrum noise attenuation.

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UMOE Advanced Composites

Transport modules for gaseous hydrogen.

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Unitrove

Liquid hydrogen bunkering for vessels.

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Value Maritime

The Filtree System developed for small and medium-sized ships, filters sulphur, ultra-fine particulate matter and CO₂ from the air.

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Voyex

Offer ‘Hydrogen Oil’, part of a technology family that we call ‘Liquid Organic Hydrogen Carriers’ (LOHC).

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Wärtsilä

Power sources and other equipment in the marine and energy markets.

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WATTLAB

Solar energy systems for multiple applications.

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Wavefoil

Retractable bow foils that reduce fuel consumption and ship motions during sailing.

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Weichai Power

Working with Geely to co-develop methanol engines for different applications.

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Win & Wav Enterprise

Motion assisted, self sustaining, built-in battery charger module for vessels. (Prototype stage)

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Wind + Wing Technologies

WingDriveTM technology for passenger vessels.

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Wind Challenger

Automated hard sail made of glass fibre reinforced plastic, developed by MOL.

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Windship Technologies

The Auxiliary Sail Propulsion System (ASPS), uses fixed wing sail technology, whereby two 35-metre high masts installed on the deck of a vessel.

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WinGD

Mono and duel fuel engines capable of running on ammonia and methanol.

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Wisamo

Inflatable, retractable, automated wing sail being developed by Michelin.

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Xalt Energy

Lithium-ion cell, pack and system developer. Freudenberg is the majority shareholder of XALT Energy.

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Yanmar

Fuel cell for marine applications with components from the Toyota Mirai. Expert in high-pressure ship refuelling with hydrogen.

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Z Ships

Technology to convert energy from waves into electricity.

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ZEM

Knowledge driven approach to offering battery solutions to the maritime sector.

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Zenoro

A brand of NPS Driven, focused on custom-built power solutions for niche marine applications

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zepp.solutions

Semi-custom hydrogen fuel cell modules for different applications.

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Zero Emission Industries

Productized turnkey hydrogen fuel cell, refuelling and safety systems for sea, air and land.

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Zero Emission Services

Exchangeable battery containers and charging infrastructure for inland shipping.

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Ziero

Hydrogen combustion engines for several applications.

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