Generate clean, renewable electricity from on-board waste heat with Climeon’s award-winning HeatPower technology.

HeatPower 300 Marine unit

Generate up to 1MW of clean, on-board electricity
with Climeon HeatPower 300 Marine systems

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Decrease fuel consumption

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Improve energy efficiency

Built to deliver optimal performance amidst challenging at-sea conditions, HeatPower 300 Marine improves on-board energy efficiency and transforms a underutilized byproduct into clean, renewable electricity.

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Reduce CO2 emissions

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Enhance EEDI, EEXI
and CII ratings


Find out more about HeatPower 300 Marine in our latest brochures, White Papers and articles.


Increased Thermal Energy Utilization and Maximum Clean Energy Outputs

Designed by maritime engineers, HeatPower 300 Marine is our award-winning, sector-specific technology for the shipping industry.

HeatPower 300 Marine offers enhanced performance at sea via a range of features, such as:


Robust construction for optimal seaworthiness


Non-toxic, non-flammable, SOLAS compliant working media


Corrosion-resistant, titanium heat exchanger


Automated energy production


Minimal on-board maintenance requirements


ON-BOARD Waste heat

A ship’s engine loses more than 50% of its energy as waste heat and at least half of this is low temperature waste heat. Despite this, the majority of waste heat consumers require high temperature heat, which leaves low-temp waste heat underutilized.

Climeon’s HeatPower technology converts waste heat at temperatures as low as 80° C to ensure an increased amount of thermal energy can be repurposed and used to generate carbon-free electricity.

The result? More waste heat is reused and more clean energy is produced!

Want to learn more? Explore our free White Paper and take a find out how HeatPower takes you a step closer to sustainable shipping.

Trusted by industry leaders

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Based on the Organic Rankine Cycle (ORC) thermodynamic principle, Climeon’s HeatPower technology exploits the temperature difference between a hot and cold source and uses an environmentally friendly, non-toxic, non-flammable working media to enable energy production at lower temperatures.

HeatPower’s ability to convert low-temp waste heat into clean electricity enables single waste streams, such as jacket cooling water, to generate carbon-free power, thus streamlining the installation process and reducing payback times.


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Climon’s HeatPower modules can be integrated into a ship’s management system and use smart automation to maximize energy outputs and optimize performance.

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Climeon’s HeatPower Control system streamlines on-board management and enhances performance for optimal outputs. Smart automation ensures HeatPower produces clean electricity whenever thermal energy is available with minimal on-board maintenance required.

Additionally, our optional cloud-based platform, Climeon Live. provides ship-to-shore data collection, performance monitoring and fault diagnostics for seamless functionality.

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Fully integrated with ship’s management sustem.

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Automated energy production.

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In-built performance optimization.

Marine Waste Heat Recovery FAQ

More than 50% of the energy consumed by engines is lost as waste heat. Instead of releasing this into the environment, waste heat recovery converts the waste heat into clean, carbon-free electricity.

Climeon’s HeatPower closed-loop technology is based on the thermodynamic principle of an Organic Rankine Cycle (ORC), which enables low-temperature waste heat to be repurposed into renewable electricity. To learn more about how HeatPower generates clean energy on board ships, download our free White Paper now.

Maritime waste heat recovery uses the waste heat produced by the ship’s engine to generate clean electricity. Sources of low-temperature waste heat, like jacket cooling water, and cold water, such as seawater, are routed to an onboard HeatPower unit. Here, our closed loop ORC technology converts the waste heat into carbon-free electricity using an environmentally friendly, non-toxic, non-flammable working media.

The clean electricity can then be used to meet onboard power demands, thus reducing reliance on the ship’s fuel-powered generators. As a result, ships with onboard waste heat recovery technology can reduce their fuel consumption, lower operating costs and cut CO2 emissions.

You can learn more about maritime waste heat recovery in our free White Paper.

Our HeatPower systems are modular and scalable, so you can scale up to utilize all of the excess thermal energy that’s available on board. A single HeatPower unit is capable of generating up to 355kW, although the exact output will depend on various factors, including a ship’s engine size, available thermal energy, and operational profile.

On larger ships, enough thermal energy is typically available to power three units, meaning you can generate up to 1 MW of clean, carbon-free energy. To find out how much electricity HeatPower can generate on board your fleet, contact our maritime team now.

HeatPower takes a largely unused byproduct (waste heat) and transforms it into a valuable asset. By generating renewable electricity on board, you can reduce fuel consumption which leads to both financial and environmental savings. With fewer CO2 emissions, vessels can enhance their EEDI/EEXI and CII ratings and shipowners can enhance their sustainable profile.

As the industry strives to meet increasingly stringent environmental regulations, HeatPower empowers shipowners to reduce OPEX while improving onboard energy efficiency, increasing sustainability and futureproofing fleets.

HeatPower 300 Marine is designed to deliver optimal performance on larger vessels (>15 MW engine size), such as cruise ships, container ships, tankers, RoRo ferries etc. However, the design, engine size and operational profile will impact energy outputs. To find out if HeatPower is suitable for your vessels, contact our maritime team now.




Find out how our maritime ORC systems can transform
the energy efficiency of your vessels.