Tonbo Solar Hybrid Ferry

The Tonbo is a solar-electric hybrid passenger ferry or solar ship being developed by Eco Marine Power and it's partners. The vessel will incorporate the latest eco-friendly marine technology which will reduce fuel consumption and noxious gas emissions.


Tonbo Solar HMP Ferry - Main View

The Tonbo can be configured as a passenger ferry and used on rivers, lakes and bays. The solar panels are used to charge a bank of Lithium batteries which allow the vessel to cruise at low speed in all-electric mode.

The all-electric mode can also be used when the ferry is berthing or manoeuvring at low speed. This also allows for the vessel to operate very quietly which is ideal for noise sensitive areas or for evening cocktail cruises. When operating in this mode there are no airborne emissions or exhaust fumes from the vessel.

This gives the Tonbo the 'green' edge over conventional ferries and ships. The Tonbo solar ferry is therefore particularly suited to helping reduce pollution in crowded cities where water transport is used.



Tonbo Solar HMP Ferry - Rear View

The solar panels on the Tonbo have been specially designed to operate in a marine environment and can be lowered if required to allow the vessel to pass under low bridges. The solar panels are also lowered and secured in that position during storms or high wind conditions.

The solar panel array can also be positioned to best tap into the available energy from the sun. A variation of the design which includes fixed solar panels is also possible. A study into the feasibility of installing additional solar panels is also under way and it may also be possible to utilize wind power to some extent.

A data management & performance monitoring system will also be fitted to the Aquarius.



Tonbo Solar HMP Ferry - Loading Passengers

This view shows the solar panels in the upright position and the front cockpit area which can be used for the crew cabin and front observation area. The front cockpit area can also be re-configured to allow for a small cafe or bar area to located at the front of the vessel.

In addition to being able to recharge batteries from the solar panels, the Tonbo will also be able to quickly recharge the onboard batteries via a quick charging power management system using mains/shore power when alongside.

The aerodynamic design also means that the Tonbo offers little wind resistance which helps improve fuel efficiency. Eco Marine Power is also researching a range of other fuel saving design options.

For more information about this amazing vessel please see our Tonbo webpage.

Concept by Greg Atkinson. Eco Marine Power. All rights reserved.


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Hybrid marine power solutions including solar power save fuel, reduce pollution and are cost effective. Eco Marine Power is at the forefront of developing low emission & fuel saving solutions for ships, Our computer systems also provide a control interface between renewable energy & other systems on-board ships.
Eco Marine Power is at the forefront of providing innovative marine renewable energy technologies for shipping that harness the power of the sun & wind. These solutions include Aquarius MRE, EnergySail & Aquarius Marine Solar Power. These reduce fuel consumption, lower noxious gas emissions and deliver cost benefits.
Aquarius Management & Automation System or Aquarius MAS is a cost effective alarm handling, monitoring & data logging platform suitable for a wide range of ships. The system is based upon the reliable KEI 3240 Data Logger and is class approved. Aquarius MAS can also monitor fuel use & calculate vessel emissions.
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