Marine motors and drives for every sea challenge

Marine propulsion and shore power for commercial and offshore

Marine industry's key challenges

Marine propulsion systems, shore power infrastructure, and onboard operations are all under pressure. Stricter emissions rules, tighter vessel spaces, and decades-long service expectations are reshaping what marine-grade electrical technology has to deliver, and the bar keeps rising.

Emissions reduction, shore power and regulatory progress

Tightening regulations and IMO decarbonisation targets are accelerating the shift to shore power and lower-emission operations. Ports and vessel operators can't afford to wait, the compliance window is narrowing, and every voyage counts.

Optimised space, weight and power density

New builds and retrofits are pushing marine electric propulsion into tighter hulls with higher output demands. Every kilogram and every cubic metre matters, compact, lightweight drive and motor systems aren't a preference anymore, they're a specification requirement.

Reliability, durability and lifecycle performance

Marine motors and generators don't get second chances at sea. Salt spray, constant vibration, and remote operations demand components that hold their performance across decades, not just on commissioning day. Lifecycle cost isn't a finance conversation; it's an engineering decision made at specification.

Why Innomotics for Marine operations

Making low-emission operation possible

Innomotics enables low-emission vessel operation through onshore power integration, high-efficiency generators, and optimised auxiliary systems that reduce fuel consumption and CO₂ emissions. Modular generator solutions and integrated motor-drive packages are engineered for high partial-load efficiency and seamless shore-power integration, supporting compliance with evolving maritime regulations.

Compact power, engineered to fit

Innomotics delivers compact and modular high-voltage motors, scalable generator units, and advanced drive topologies with flexible cooling concepts. These solutions provide exceptional power-to-footprint performance, enabling efficient integration for shipyards, retrofit projects, and naval architects without compromising performance or reliability.

Built for harsh Marine environments

Innomotics combines fault-tolerant drive technology, cell redundancy, motor-friendly output performance, and proven severe-duty motors to maximise uptime in demanding marine applications. Supported by a global service network and smart maintenance solutions, our systems enhance operational availability while reducing total cost of ownership across the entire lifecycle

Certified Marine quality

We design, test, and certify our portfolio according to leading marine standards such as DNV, ABS, RINA, and CCS to ensure compliance and safety.

Marine application areas we power

Our solutions power the systems that keep your vessel operating safely and efficiently.

Propulsion systems

High-efficiency motor and drive solutions for diesel-electric and hybrid marine propulsion.

Thrusters and compressors

Precise torque and variable speed control through medium-voltage drives and compact motors.

Power generation

Robust synchronous generators for emergency, shaft, and waste-heat recovery operations.

Onshore power supply

Modern frequency converter solutions support shore power connections and port infrastructure modernisation.

Marine industrial container cargo vessel

Marine-certified for global compliance

Our products are designed and certified for marine applications in accordance with major international classification societies, ensuring compliance, safety, and reliability across global fleets.

LR – Lloyd's Register (UK)
DNV – Det Norske Veritas (Norway)
BV – Bureau Veritas (France)
RINA – Registro Italiano Navale (Italy)
ABS – American Bureau of Shipping (USA)
KR – Korean Register of Shipping (South Korea)
CCS – China Classification Society (China)

Additional certifications available on request.

Marine products, systems and services

Our portfolio delivers reliable motion and intelligent electrification for marine operations. Modern vessels and retrofits demand high power density and flexible integration.

Industrial Generators

GEN M modular synchronous generators for shaft generation, propulsion, auxiliary and emergency power, with flexible cooling concepts.

Medium Voltage Drives

Modular MV drives for marine propulsion – GM150 and Perfect Harmony GH150/SH150. Near-sinusoidal output, flexible quadrants, air or water cooling.

Innomotics HV motors: HV C waterjacked-cooled, HV C flameproof, HV C air-cooled

Compact Motors

HV C motors for marine. Modular cooling, marine-approved protection, and robust performance for propulsion, pumps, fans, and thrusters. Up to 29 MW.

Modular Motors

Customisable performance up to 29 MW – common platform, always the right motor for your specific marine challenge.

Special Motors

Individually engineered for complex marine applications – built on proven technology, designed to adapt to your specific requirements.

Severe Duty Motors

SD Motors up to 1,000 kW. Cast-iron enclosures, IE3/IE4 efficiency, Ex protection for pumps, fans, compressors, and conveyors. 

Test Applications

Comprehensive test applications for marine systems, components, and drives. Designed to support commissioning, performance verification, and reliable operation under demanding conditions.

Customer Services

2,000+ global service experts. OEM-backed commissioning, maintenance, modernisation, and spare parts to maximise vessel uptime.

Marine reference projects

LNG powered cruise ship with high power demand

Six generators supply almost 30 MVA of onboard power.
First Japanese-flagged passenger ship built in 30 years.
LNG-based propulsion supports significantly lower emissions.

Dredger built for extreme ambient conditions

First custom-built dredger of its kind in the region.
Designed for reliable operation in very high ambient temperatures.
Four generator sets powering the full dredging process.

Fleet ready for emission-free offshore work

Six vessels designed for global offshore wind farm support.
Prepared for hydrogen-based propulsion.
Eighteen generator sets installed across the full fleet.

Electric drive for wind installation vessel

Six high-voltage motors for thruster and propulsion duties.
Fully integrated generator and drive system.
Certified electric package built for offshore performance.

Shore power saving 8,000 tons of CO₂

Medium-voltage converter system with 16 MVA capacity.
Two ships can be supplied simultaneously.
More than 8,000 tons of CO₂ saved annually.

Your partner for Marine electrification

Join forces with Innomotics, trusted for reliable motion, electrification and sustainable maritime solutions. Our proven technology reduces emissions, increases efficiency, and empowers today's fleet to meet tomorrow's environmental and operational challenges.

Frequently asked Marine questions

Find reliable insights and practical guidance for marine, offshore, and shipbuilding projects.

EN, IEC, CE, CSA, ANSI, NEMA, with marine approvals by DNV, ABS, RINA, CCS, BV, LR, KR, NK (others on request).

We offer a wide portfolio of marine motors and drives for propulsion applications. You can rely on our solutions for diesel-electric propulsion, azimuth, tunnel and bow thrusters, shaft generator systems, and auxiliary or emergency generators. Our low voltage & medium voltage motors, and medium voltage drives deliver reliable performance in demanding marine environments.

Our marine portfolio includes motors up to 29 MW, medium voltage drives up to 47 MVA, generator solutions up to 32 MVA, and voltage ranges from 400 V to 13.8 kV. This flexibility supports commercial vessels, offshore platforms, and port electrification projects.

Energy efficiency shapes every design. Our systems offer efficiencies up to 98.5%, motors with optimised starting current for network-friendly operation, and variable speed drives even without output filters. Optimised system design reduces CO₂ emissions and boosts long-term operational savings.

Yes. We design our systems for demanding marine and offshore environments, including high ambient temperatures, continuous vibration, limited installation space, and corrosive salt exposure. Our solutions feature marine-grade coatings up to NORSOK standards and protection classes up to IP56, with optional air- or water-cooled concepts to ensure reliable performance and efficiency at sea.

Our medium voltage solutions use modular multilevel converter technology with power ranges from 1 MVA to 47 MVA. You can work with two or four quadrant operation, integrated or separate transformers, air- or water-cooled concepts, and modular topologies with cell redundancy. These solutions fit propulsion systems, compressors, pumps, and LNG-related applications.

Yes. Our portfolio supports Onshore Power Supply for port electrification with medium-voltage converter systems up to 90 MVA and the capability to supply multiple vessels simultaneously. This enables significant CO₂ reduction and more sustainable port operations. The solutions are designed to be future-proof and compliant with evolving EU and international regulations, ensuring long-term operational and environmental alignment.

Modularity speeds up maintenance, simplifies spare parts planning, and reduces downtime. You gain upgrade options that extend system longevity. Modular topologies and robust motor construction secure long-term availability.

Our lifecycle services include Commissioning, Inspection and Health Check, Technical Support and Diagnostics, Repair Services, Spare Parts on Demand, Lifecycle Service Agreements, and Digital Services. We focus on maximising availability and lifecycle value.