In 2021, a 20-seater passenger boat built by Samudra Shipyard entered service for Cochin International Airport Limited (CIAL). A well-crafted vessel, designed with purpose and deployed in real operating conditions.
As operational requirements evolved, CIAL planned to deploy the vessel in a new operating location and for a refreshed purpose—with different duty cycles, performance expectations, and reliability demands. Preparing the vessel for this next phase meant ensuring that its electric propulsion and onboard electrical systems were fully aligned with the realities of continuous, mission-critical operations.
That is when Navalt was brought in.
The Heart of the Upgrade
Under GreenShip by Navalt, we executed a comprehensive upgrade of the vessel’s electric propulsion, energy storage, and auxiliary systems. This was approached not as a component replacement exercise, but as a full systems integration and operational readiness program. The boat is now enroute to Thiruvanthapuram, where it will be operate in Parvathi Puthannar canal.
At the core of the upgrade was the installation of a 80 kWh, 96V LFP battery system, supported by:
- An upgraded 7.5 kVA Solar PCU
- A new 96V, 90A battery charger
- A redesigned main DC panel
In parallel, critical navigation, safety, lighting, HVAC, mechanical, plumbing, and auxiliary systems were upgraded and recommissioned to function as a single, coherent system. Every choice—from sensors to fire-fighting equipment—was made with one objective: The vessel must perform reliably, day after day, in real operating conditions.
What This Means for Shipyards
For shipyards building electric and solar-electric vessels, reliability is no longer optional—it defines whether a project succeeds in operation.
GreenShip by Navalt exists precisely for this reason.
We partner with shipyards to take ownership of the electric propulsion and energy systems—reducing technical risk, simplifying integration, and ensuring predictable performance on water. Whether the vessel is:
- Newly built or already in service
- Class-approved or non-class approved
- Passenger, utility, or special-purpose
the approach remains the same: systems that work as intended, without compromise.
This is why shipyards across India collaborate with GreenShip. Our work with organizations such as LRAJ Goa, Ocean Blue, and others reflects a shared understanding that electric vessels demand deep system-level engineering—not just component supply.
If you are a shipyard building electric vessels, GreenShip can be your propulsion and energy systems partner—focused on reliability, serviceability, and long-term performance.
A Note of Gratitude
We sincerely thank Cochin International Airport Limited (CIAL) for placing their trust in Navalt for this system upgrade program.
Trust is earned through performance over time. Working with institutions that value sustainability alongside operational reliability is what moves the marine industry forward.
GreenShip by Navalt
Electric propulsion systems shipyards can rely on—today and over the life of the vessel.
Vessel Specifications:
- Length x Breadth: 15 x 3 m
- Capacity: 24 passengers + 3 crew
- Solar Plant: 4.2 kW
- Propulsion Battery: 80 kWh Ray RAY (LFP batteries)
- Motors: 2 x 20 kW
Sandith Thandasherry 