
Retrofits and upgrades
Switch ON smarter upgradesRetrofits
Modular retrofit solutions that cut emissions, unlock ROI, and extend vessel life - without starting from scratch. Kongsberg Maritime delivers proven upgrade packages that enable fast compliance, measurable fuel savings, and future-ready performance.
Why retrofits matter
In a fast-evolving regulatory and fuel landscape, retrofitting offers a low-risk, high-impact path to decarbonisation. Our modular solutions are designed to integrate seamlessly with existing systems - minimising downtime and maximising return.
Why Kongsberg Maritime
- 200+ years of maritime innovation
- Integrated systems expertise
- Global support and lifecycle service
- Trusted by leading operators across vessel classes
What this means for you
- Verified fuel and emissions savings
- Shore power readiness and hybrid capability
- Compliance with CII, EEXI, and FuelEU Maritime
- Scalable architecture for future fuels
- Fast installation and minimal disruption
Modular technologies design to evolve with changing needs
Martin Kjøraas, Kongsberg Maritime, Head of Aftermarket Sales Seaborne, Integration and EnergyWe are proud to lead the electrification of the MF Hamlet. The continuous collaboration between Øresundslinjen, the yard and all sub-suppliers has been exceptional in the project preparation phase, and we look forward to seeing the positive impact this conversion will have on the environment.
Upgrade opportunities
All solutions are modular, certified, and supported globally.
| Hybrid & electric propulsion systems retrofits | Shore power and cold ironing | Continuous Emissions Monitoring Systems (CEMS) | K-Chief automation and energy management | Vessel Insight retrofit digital integration |
Real-world impact - News and stories
Let’s upgrade your fleet with confidence
Switch ON smarter operations. Explore retrofit solutions that deliver fast ROI, verified emissions cuts, and future-ready compliance.
Frequently Asked Questions
Got questions about maritime decarbonisation, hybrid systems, or digital ship solutions? Our FAQs cover key topics to help you make informed, future-ready decisions.
Our modular retrofit packages are designed for a wide range of vessel types—from ferries and offshore vessels to accommodation ships and car carriers. We tailor each solution to your operational profile.
We offer 10-day installation programmes aligned with dry dock schedules, minimising disruption and downtime.
Savings vary by vessel and upgrade type. For example, Promas Lite propulsion upgrades have delivered over 6.5% fuel savings, while hybrid retrofits have cut CO₂ emissions by up to 23%.
Yes. Our solutions support compliance with CII, EEXI, and FuelEU Maritime regulations. We also offer Continuous Emissions Monitoring Systems (CEMS) for audit-ready reporting.
Yes. Our hybrid systems are fuel-flexible and designed to support future retrofits for methanol, hydrogen, and fuel cells.
We offer retrofit integration of K-Chief automation, energy management, and Vessel Insight 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.


