Solar Power Propelled Electric Boat

This Solar Power Propelled Electric Boat is an ideal Eco Tourism product for boating in
calm waters.

- Zero Emission – Saves CO2 Emission
- Silent Running – Eliminates Noise Pollution
- High Stability
- Advanced Safety Features
- Aerodynamic Design
- Designed for rugged use and commercial applications

Solar Power Propelled Electric Boat

This Solar Power Propelled Electric Boat is an ideal Eco Tourism product for boating in
calm waters.

- Zero Emission – Saves CO2 Emission
- Silent Running – Eliminates Noise Pollution
- High Stability
- Advanced Safety Features
- Aerodynamic Design
- Designed for rugged use and commercial applications

25 kW Solar Power Plant at Malankara Plantations Ltd

India’s first net zero office complex which meets all the Energy requirements of the Office Complex, which includes 18 tons of Air Conditioning, Computers, Lighting, Ventilation, office equipment, water pumps and a packing machine. With the installation of the Solar Power Plant, the Office Complex is now disconnected from the Gird and is functioning wholly on its self-generated Solar Power.

2.1 KW SPV Mono Crystalline Panel System for Residence

2.1 kW Solar PV Mono Crystalline Panel system, supplying 10 to 12 units (kWhr) of power for the major electrical loads  of the house which includes,  2 Laptops, 2 LCD Televisions, security system, 2 Refrigerators, 2 Mixer/Blenders, Fans, Iron box and all Lighting

15.6 KW battery less solar PV System at BPCL, Cochin

Designed, Installed and Commissioned our First Grid Feed Solar PV System at BPCL with 15.6 kW Solar PV Array capacity and 15 kW Grid feed capacity.

65 KW at Spice Village, Kumali-World first Net Zero Resort

The system not only helps to reduce the energy consumption from 306 KW to 65 KW, but also saved the noise and expense of Diesel Generators. The system supports the full load of the 56 cottages of the resort. It can generate its own electricity to meet its 100% power needs and is completely off the grid.


The Grid-Tie SPV System at RDS, Kadavanthra effectively reduces power consumption from the grid.. Erected as a fixed type structure, it also functions as the roof for the Cafeteria. The system is designed with 10.08 kWp SPV array capacity and 10 kW inverter capacity. The system is also capable of selling the power to the state grid.


The 20.4 kWp SPV system at Wonderla Holidays Pvt Ltd is uniquely designed utilizing the roof of the car parking shed for mounting the solar panels. The main benefits of the system includes reduced power consumption from grid, uninterrupted power supply for the regular connected loads, Total CO2 emission saving of 21.9 Tons/ year, Tax benefits in terms of accelerated depreciation of 80% of the total project cost in the first year itself resulting in tax saving of 23% on the project cost.


The system is designed with 34.4 kWp SPV array capacity and 34 kW inverter capacity which helps to partially cater to the energy demand of the administrative office including both power (AC, computers, motors etc) and lighting loads.  Since the 95% of the load is during the day time, a battery less grid tied system is the perfect choice.


The 21.6 kWp Grid-Tie SPV system at payyannur college, erected as a fixed type of structure, utilizes the vacant area of 324 sq. mtr. available over the roof of the college building. The system has 21.6 kWp of Thin-Film panels from GetWatt-Korea and 21 kVA inverter from SMA-Germany. Total carbon emission saving expected by setting up the proposed plant is 24.38 tons / year. 

SUNRIDER - Solar Powered Passenger Boat

An eco tourism product designed and developed by TeamSustain - SUNRIDER (A Boat Operated using Solar Power)

There are number of tourist destinations all over the world including India that offer boat riding in calm waters such as lakes, back waters, bird sanctuaries, etc. Most of these boating programs use conventional boats that operate using diesel engines, which are fuel guzzlers causing air and noise pollution and disturbance to the local habitat endangering the ecological balance of the surrounding areas. 

Tourism Industry is already over utilizing the natural resources for their own benefit without much of consideration of preserving them. Considering a great demand of Eco Tourism solutions in Asia especially in India, TeamSustain has designed and developed a solar powered passenger boat that is launched as production series.

This is a first of its kind in India till date. 

A beta version of this boat by name of Surya was launched in May 2008 which has been successfully operating in Backwater of Kerala for ferrying the passengers. 

To improve upon the beta version and launch a more rugged and commercially usable version TeamSustain included team of Naval Architects from Navgathi Marine Design & Constructions Pvt. Ltd. Cochin to design the hull and ensured the safety standards and design efficiency and launched the commercial product in year 2009.

The Solar Photovoltaic Design to generate the required electrical energy for operating the boat, other fittings and interiors were done by TeamSustain. The ownership of the product belongs to TeamSustain.

The first model named SURYA – (25 Passenger seating capacity) has been included in year 2010 in Limca book of Records as Asia’s largest solar Powered passenger boat.

The Boat is fitted with world most efficient electric Outboard engine from Torqeedo GmbH

Solar Boat SURYA – included in year 2010 in Limca book of Records as Asia’s largest solar Powered passenger boat





Technical features of SUNRIDER are mentioned in the table below -


Speed  Up to    
6.5 knots
Time taken to charge batteries fully from zero    
7.5 hours@STC
Continuous running at 6.5 knots    
3 hours (batteries full to 20%)
Continuous running at 3-3.5 knots     
9 hours (batteries full to 20%)
Maintenance of solar panels     
Wiping with water daily
Life of solar panels     
25 years (10 yrs warranty)
Life of Batteries   
5 years (1.6 yrs Warranty)
Warranty on electric Torqeedo motors       
2 years (10 yrs Life)
Warranty For Solar Charge Controllers  
5 Years
Optional Power Supply      
Shore Charging
Onsite Warranty      
2 yrs

Engineering Challenges

•    Design of the pontoons / vessel boat to achieve the maximum efficiency and safety
•    Design of the boat to be able to carry weight of the panels and passengers
•    Generation of sufficient solar power to operate and also charge battery bank
•    Selection of most suitable high efficiency electric outboards

Exclusive Safety Features

•    Provides Reserved Buoyancy
•    Reduces Pitching motion in rough waters
•    Filled with foam to prevent dangerous intake of water in case of damage
•    Increased water clearance (Freeboard) to improve stability

Water Tight Compartments

•    Each hull is divided into three water-tight compartments
•    Hulls filled with foam to prevent dangerous intake of water in case of damage

Safety Equipments

•    Life Jackets for Adults and Children
•    Life preservers
•    First aid Kits
•    Fire extinguishers

List of accessories provided
•    Depth Sounder -1
•    Side Pontoons Guards – 4
•    Integrated GPS to give accurate speed and range readings
•    Safety equipments
•    LED navigation and cabin lighting

Tangible benefits to the environment

Replacing conventional diesel operated boats with Solar Powered boat will bring in huge tangible and intangible benefits


Outboard Electric  
Outboard Diese
Energy SourceSolar  
Average boat running time  / Day (Hours)6.006.00
Total HSD required in an hour (Liters)0.006.00
HSD consumption by one boat in a day (Liters)0.0036.00
Average days of operation in a year (Days)0.00300.00
Total HSD consumption in a year  (Liters)0.00   
CO2 Emission (Tons / Year)*No Emission     

* 1 Liter of HSD emits 2.7 Kg of CO2

It is evident from data presented in table 1 that replacing a conventional boat with solar boat will save around 30 Tons of CO2 from emitting into the atmosphere. Replicating the product for multiple boats will bring in huge environmental benefits.

Intangible benefits to the environment

•  The solar boat helps reducing the water, air pollution by eliminating the usage of HSD. 

• Running solar boats helps to maintain un-spoilt natural habitats, as they produce no emissions, are quiet and travel efficiently, with little water disturbance or wash.

•  The boat is an ideal product for “Responsible & Sustainable Tourism” at wild life & Bird sanctuaries; where sound of motor boats are serious threats to the ecology.

 When compared with conventional boats used for similar purposes we can see that other than environmental benefits this product offers a quick payback as well.

# Cost of HSD is considered Rs. 42.00 per Liter

With the above tables it is very evident that using solar boat can be extremely economical when compared to conventional boat operated using diesel engines.

SUNRIDER solar powered boat is in compliance with US Coast guard standard for inland boats.

Replication potential of Solar Boats in India

Hospitality sector is one of the most energy intensive sectors and is in great need for eco tourism solution to reduce their total emissions and energy consumption. There are almost 30 major lakes in India where boating based tourism programs are offered at present.  Some of these are Ashtamudi Lake, Vembanad Lake in Kerala, Chilka lake in Orissa, Hussain Sagar Lake is situated in Andhra Pradesh etc.

All these lakes are dealing with pollutions related issues and boating is one of the major contributors to these issues. Replacing Solar Power boat is an immediate solution to some of these issues.

Not only in India but it has potential of replication all over the world as anything of similar capacity and featured available outside India in 200% more costly than the price at which it is offered by TeamSustain.

Our Achievements

  • India's first fully net zero commercial office building
   with air conditioning and all heavy
   equipments fully supported by 25 KW solar
   PV,located in a 80 year old heritage building
  • Asia’s largest Solar Power Propelled Electric Boat

designed and developed Solar Power Propelled Electric Boat, which is included in Limca book of records as largest solar boat in Asia

  • International Boating Award (IBA)

for intiative in responsible tourism in the year 2009

  • First to introduce Solar Power Packs in House boats

Solar Power Packs in House boats in Kerala in the year 1995-96. Till date more that 160 house boats have been installed with Solar Power Packs. About 100 numbers of Solar Water Purifier have been installed in Lakshadweep Islands.

  • Preferred Supplier for Waste to Energy Gasification systems

for W2E Ventures Inc., USA. installed at State University of New York, Cobleskill, New York, USA

  • More than 14,000 Solar Hot Water Systems

More than 14,000 Solar Hot Water Systems with about 200 numbers in the capacity range of 3000 LPD -20000 LPD have been installed in India

  • 17 years of experience in SPV Industry

Have to its credit more than 25,000 Solar PV installations from capacities ranging from 35 Watts to 20 KW

Green Tips

  • Energy Saving

- Replace conventional regulators with electronic regulators for ceiling fans 

- Take advantage of daylight by using light-coloured, loose-weave curtains on your windows to allow daylight to penetrate the room. Also, decorate with lighter colours that reflect daylight

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