Everllence super sign as an island

The challenge 

Ships and plants are long-term investments. Make the most of what you already have. 

Vessels, power plants, and industrial assets are built to last for decades. They represent enormous capital commitments, designed for reliability and longevity, not for rapid replacement.

Our retrofits and revamps work differently. We upgrade what you already own: converting engines to run on cleaner fuels, raising efficiency, and extending the operational life of existing assets. It is the fastest, most cost-effective path to lower emissions and higher efficiency.

20
%

Our retrofit solutions reduce GHG emissions by up to 20 percent

Up to
86
mio. t

Potential CO2 savings across the installed base

Up to
3,700
%

Engines with potential for a future-fuel retrofit

Benefits 

Why retrofit with us

Reduced Emissions

Our fuel-conversion packages enable engines to run on LNG, methanol, ammonia, and other alternative fuels. For turbomachinery, our revamps cut emissions through aerodynamic redesign and updated internals, across marine, energy, and industrial assets.

Increased Efficiency

Performance-optimization packages for engines and revamps for compressors, steam turbines, and expanders lower fuel and energy consumption and improve operating parameters. The result: measurable cost savings alongside lower emissions.

Future-ready assets

Once upgraded, your fleet, power plant, or industrial facility adapts as fuel availability and regulations evolve. That protects the value of your investment for the long term.

Industries

Retrofit and upgrade options for every sector, from open water to the factory floor

FAQ

Frequently asked questions

Depending on the scope, a retrofit can be completed within a scheduled dry dock period, typically two to four weeks for marine engines. Turbomachinery upgrades are planned around scheduled turnarounds to minimize downtime. We plan every step to minimize impact on your schedule.

Our retrofit packages support a range of future fuels, including LNG, methanol, and preparations for ammonia and hydrogen. The exact fuel options depend on the engine type and your operational requirements.

No. Our retrofits and upgrades are engineered to maintain or improve performance. We test every conversion thoroughly and provide full technical support, including updated service agreements through Everllence PrimeServ.

Our retrofit and upgrade programs are designed primarily for the Everllence installed base, the largest fleet of two-stroke and four-stroke engines in the world. For specific inquiries about third-party equipment, contact our engineering team.

Lower fuel and energy costs plus extended asset life mean a fast payback, for engines and turbomachines alike. Operators also avoid the significantly higher capital costs of a full replacement, making retrofits and upgrades the economically sound choice. We provide detailed business case calculations before every project.

Yes. Together with partners like MEYER RE, we handle the full retrofit and upgrade scope, from engineering and regulatory approval to installation, safety systems, crew training, and commissioning.

Lighthouse Projects

Real results. Real customers. Real impact.

Discover more Projects

Quote
We have the opportunity to decarbonize industries that are crucial for the world economy. That’s why we get out of bed every morning.  

Dr Uwe Lauber, CEO Everllence

Discover Stories

Gain deep insights into our projects

The blueprint for converting VLCVs to methanol

Maersk Halifax became the world's first methanol retrofit of a Very Large Container Vessel, opening the door for green fuels at the largest scale in shipping.

Read story

A methanol retrofit for passenger ships 

Engineers are testing a four-stroke retrofit that lets ferry and cruise operators meet tightening emission rules with green methanol.

Read story

Contact our retrofit experts

Let our expertise work for your business

Whether you want to convert engines to cleaner fuels, raise efficiency, or extend the life of your assets, our experts help you build the right retrofit business case. Get in touch today, and we will set you up for a successful tomorrow.

Talk to our experts