Retrofits, refits and conversions
Switch ON smarter upgrades
Retrofit, refit and conversion solutions that reduce fuel consumption, lower emissions, and extend vessel service life – without starting from scratch. These upgrades help operators meet regulations and achieve measurable fuel savings to reduce operating costs.
Why it matters
In a fast-evolving regulatory and fuel landscape, retrofits and conversions offer a low-risk, high-impact path to decarbonisation. Our aftermarket solutions are designed to integrate seamlessly with existing systems and ship designs – minimising downtime and maximising return.
Why Kongsberg Maritime
- 160+ years of maritime innovation
- Integrated systems expertise
- Global support and lifecycle services
- Trusted by leading operators across vessel classes
What this means for you
- Measurable fuel and emissions savings
- Shore power integration and hybrid capability
- Data integrity from sensor to cloud for informed decisions
- Compliance with CII, EEXI, and FuelEU Maritime
- Future-ready architecture regardless of fuel choice
- Optimised installation and minimal disruption
Technologies that evolve with your needs
Reblading propellers: a quick way to cut emissions
Reblading an older vessel with a new propeller or re-engineered propeller blades lets vessel owners enjoy fuel savings, improve Carbon Intensity Indicator ratings, or even repurpose their vessels quickly
Martin Kjøraas, Kongsberg Maritime, Head of Aftermarket Sales Seaborne, Integration and EnergyWe work closely with clients and end-users to make bespoke and optimised retrofit solutions based on the vessel's operational profile using standardised building blocks.
Real-world project outcomes – News and stories
Upgrade your fleet with confidence
Switch ON smarter operations. Explore aftermarket solutions that deliver verified emissions cuts and future-ready compliance.
Frequently Asked Questions
Got questions about maritime decarbonisation, hybrid systems, or ship digitisation? Our FAQs provide additional context and address common follow-up questions to give you clearer insight as you explore solutions for your fleet.
Our aftermarket solutions can enhance a wide range of vessel types – from ferries and offshore vessels to accommodation ships and car carriers. We tailor each solution to the ship’s actual operational profile.
Savings vary by vessel and upgrade project. For example, our Promas Lite propulsion upgrades have typically delivered between 5 and 20% fuel savings, while hybrid conversions have cut CO₂ emissions by up to 25%.
Yes. Our solutions support compliance with CII, EEXI, and FuelEU Maritime regulations. We include compliance benefits calculations in our pre-upgrade analysis to support your decisions. We also offer Continuous Emissions Monitoring Systems (CEMS) for audit-ready reporting.
Yes. Our hybrid systems and electrification solutions are designed to operate efficiently and integrate seamlessly regardless of fuel systems.
We offer integration of K-Chief automation, energy management, and Kongsberg Maritime’s digital suite of solutions for real-time data and operational intelligence.
We provide global lifecycle support, including remote diagnostics, predictive maintenance, and expert advisory services to ensure long-term performance.