electric catamaran powered by sun


6.20 m / 21 ft


2.25 m


3kW – 6kW

Electric boat Solliner 21

The Solliner 21electric boat fully powered by sun offers more than just freedom from power sources. When you step on board and take control, driving becomes intuitive and in many countries, no special permits are required.


With a full 360° view, navigation becomes easier and you can enjoy the surroundings regardless of the weather. The Solliner 21 is an environmentally friendly boat that glides through the water effortlessly, offering tranquility, ease, and swiftness with speeds of up to 12 km/h. These boats emit no harmful fumes, only the refreshing scent of nature.


Powered by top-of-the-line marine electric engines fueled by four high-quality AGM batteries, each with a capacity of 210-Ah, these boats have exceptional longevity and a 3X longer lifespan compared to other models. Additionally, the state-of-the-art 1120-W solar panels on the boats allow for continuous power, enabling them to essentially travel indefinitely on their journeys.

Estimated date of the delivery of the boat ordered today

Truly solar-powered boat

The Solliner 21 is a truly solar-powered electric boat. Its Bimini hardtop is equipped with four solar panels, each with a potency of 285-W, allowing the boat to navigate without the need for any external energy source. On sunny days, the boat can rely on 100% solar energy for its operations. Even on gloomier days, the boat is equipped with two marine-rated, state-of-the-art AGM 210-Ah batteries that can last up to 10 hours without requiring a recharge.

Solar panels

1140 W




4 x AGM 210-Ah


The Solliner 21 comes with a range of standard equipment, including a 3-kW engine with appropriate batteries and charger, an electric engine lift system, an electric horn, a blue metallic iridescent hull color, extra LED lighting in the cockpit and engine compartment, as well as between the hull in the front. It also features a marine-grade radio with Bluetooth and two waterproofed speakers, a folding radar reflector, two fishing pole holders, a folding stainless steel swim ladder, a boat cover, a forward LED reflector, and an extra table for the fishing rod holder.

Solliner 21: Utrecht’s Solar Boat Revolution


0.45 m


1100 kg


12 km/h



Extra equipment

The Solliner 21 boats offer a range of extra equipment options.


These include different hull colors such as white, white and grey, or all white with a black deck and roof.


The boats come with an included 3kW electric engine, along with the necessary installation and an additional battery bank for electric drive. There are options for a manual lifting system or an electric lifting system for the engine.


Stainless steel retractable cleats can be added to the deck, as well as additional LED lights in various locations. Lifebuoy holders, an anti-cavitation plate, and anti-fouling algae paint are also available. Stem fenders and boat fenders in different colors can be added for protection.


Decorative cushions, a teak table, and various decking options such as teak, Flexiteak, synthetic teak, or PVC vinyl are offered for the cockpit. A laminated foldable table is available for easy storage, and a foldable deck mattress with three positions can be added for a sundeck. High-quality upholstery from SERGE FERRARI and a choice of leather steering wheel colors are also options.


For added comfort, a bed can be installed inside the cockpit with the C.1 option required. Other features include a toilet, a lighter socket, and a USB socket for recharging devices.


The Solliner 21 boats come with a range of extra equipment and electronics on board.


This includes a waterproof Bluetooth radio, specifically the FUSION RA55 BT radio with speakers (2x120W) and the FUSION RA205 radio with speakers (4x200W).


For navigation purposes, there is the Raymarine i40 Sonar (Depth Gauge) and the Raymarine AXIOM 7 multifunction navigation system with built-in RealVision 3D™.


Other additional equipment includes a foldable radar reflector, fishing rod handles, a foldable 4-step ladder made of inox, LED stairs lighting, an economic FULLHD camera with IR, WDR, and IP66 features (without 3G modem), a suspended sack in the compartments sides (available for left or right side), a boat cover, curtains, a marina docking set with a lifebuoy (including a rope of 30m, hawser of 4x10m, and a SOLAS certified lifebuoy), a telescopic boat hook, a searchlight with LED reflector, an additional cup holder for the helmsman, a grid with pockets for the lifebuoy in front of the catamaran (between beaks), an extra table in place of fishing rod holders (fishing rod handles are necessary), an analog watch in the desktop (choice of white or black face), an external thermometer in the desktop (choice of white or black face), a trailer for the catamaran with 13” wheels and a 1500 DMC (professional), and a specialized trolley for the catamaran.