silent yachts vs sunreef

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The All-Electric Yacht Evolution

• By David Schmidt
• January 13, 2022

The powerboat drivers idle near their starting lines off Monaco, waiting for the signal to punch the throttles. But they’re different from those who have raced here since 1904: These nine boats are competing in the Solar Class at the 2021 Monaco Energy Boat Challenge.

Every July, the Monaco Yacht Club organizes this race, which features next-generation technologies. This year, after five days of competition—including a 16-nautical-mile-lap race, slalom racing and a championship race—the Dutch-flagged Sunflare solar team claimed top honors in the sun-powered class.

Is their boat’s top speed of about 29 knots going to break any world speed records? No. But the Monaco Energy Boat Challenge is a harbinger of recreational boating’s not-so-distant future.

That future, of being carbon-free, has been a long time coming. German inventor Moritz von Jacobi created an early electric boat in 1839, a 24-footer that could carry 14 passengers at roughly 2.6 knots. In 1882, Anthony Reckenzaun, an Austria-born electrical engineer, built Electricity , a steel-hulled launch with onboard batteries that was considered one of the first “practical” electric vessels. Other innovations continued until circa 1910, when Ole Evinrude’s gasoline-fired outboards began their own revolution.

Now, a century later, electric yachts harness technologies such as solar panels, electric drivetrains, lightweight construction in carbon fiber, lithium-based batteries and, in some cases, hydrofoils. These boats’ performance, comfort and range can rival some traditionally powered yachts—and they are clean and quiet. Much like Teslas, they sometimes also come with memorable acceleration curves.

Contemporary electric boats range in size and complexity. There are displacement monohulls such as Zin Boat’s 20-foot Z2T and Z2R and X Shore’s 26-foot Eelex 8000. There are hydrofoilers such as the upcoming Navier 27 (see sidebar). There are also boats like those contesting the Monaco Energy Boat Challenge, as well as bluewater cruisers with multiple hulls.

“The first advantage is space,” says Michael Köhler, CEO of Silent-Yachts . “Catamarans have more surface area, which benefits the number of solar panels that can be installed.”

Other advantages of multiple hulls in electric-boat design include increased form stability (no ballasted keels) and reduced drag. “This low resistance means they’re better suited for electric motoring, as they need a lot less energy to move than monohulls,” says Nicolas Lapp, Sunreef Yachts’ strategy consultant for research and development.

One key to reducing a yacht’s energy requirements involves reducing its displacement. “The lighter the yacht, the less energy is needed to move it,” Köhler says. “For this reason, our yachts are made of lightweight carbon fiber.”

While all of the yachts discussed in this article can be charged via shore-supplied AC power, cruisers typically want greater autonomy. To that end, Silent-Yachts and Sunreef Yachts use solar panels. The team at Silent-Yachts specs its panels from California-based SunPower, while Sunreef Yachts created the marine industry’s first flexible solar panels, which are flush-mounted on hulls, masts and superstructures.

Aesthetics matter in yachting, and not everyone wants to cruise aboard a solar farm. Here, Lapp sees an opportunity. “If you want sustainability to be cool and attract the attention of new generations, the appeal of the product is something you cannot neglect,” he says. “Seamless integration of the solar panels was a way for us to prove that sustainability [can] generate green power [and] cool looks.” (After all, no one buys a Tesla because it looks like a Chevy.)

While the Caribbean and Mediterranean are blessed with abundant lumens, other world-class cruising grounds—say, the Pacific Northwest—aren’t equally illuminated. Because of this, electric cruising yachts typically also include redundant systems to ensure that the navigation lights stay on without heading to a marina.

“Every Silent yacht is equipped with a backup generator,” Köhler says. “This makes sure you never run out of energy, even when facing longer periods of unfavorable weather conditions.”

Rainy-day alternatives can include other green-power solutions. Sunreef Yachts typically specs dual wind generators atop its yachts’ rooftops. However, Lapp is realistic about their capabilities.

“Wind turbines can only supply a small fraction of the energy that our solar panels can,” he says, explaining that, in the right conditions, Sunreef’s panels typically generate 40 times more juice than the turbines. “What’s nice about working with wind is that your generators work all the time.” That includes under navigation, at the dock and throughout the night.

Energy sources aside, these experts say that high-quality batteries offering high performance are critical. Larger-capacity battery banks ensure more power reserves, but adding them can affect a yacht’s performance.

“The weight of the battery banks is also an important factor, as it can reduce or increase the overall efficiency,” Köhler says.

Battery performance is also critical for electric-powered coastal craft. One example is X Shore’s Eelex 8000, which has a high-performance 225 kW electric motor and dual 63 kWh lithium-ion batteries that can be charged anywhere there’s a power socket, or supercharged using the same technology as electric cars.

“The batteries can be charged in five to eight hours with three-phase power plugs and one to two hours with superchargers,” says Elias Wästberg, X Shore’s project manager.

While superchargers don’t exist in the middle of oceans, builders of electric-powered bluewater boats have already done this math. Silent-Yachts says its power catamarans are built to offer transatlantic autonomy, but a lot depends on how the owner uses the boat to minimize energy consumption.

“During sunny conditions, a general rule of thumb is that cruising at 6 knots maintains a balance between consumption and production,” Köhler says. “This basically means unlimited range. …The main thing that owners can do to increase range is reduce speed and turn off any appliances.”

This begs the question: Do owners need to downshift their expectations for onboard comfort when going electric?

“There’s no need to make any sacrifices or closely monitor energy levels,” Lapp says. “A lot of energy saving is done automatically. For example, at night, the air-conditioning system focuses solely on selected areas and cabins. … It consumes 70 percent less energy than most systems.”

And should the battery banks get thirsty, there’s always the generator.

Cruising with zero emissions might be a selling point for some customers, but one need not squeeze trees to embrace yachting’s future. “Running costs and maintenance levels are much lower compared to regular-motor catamarans,” Köhler says.

Then, there are unquantifiable returns. “You get to enjoy the absolute luxury of cruising in total silence and without disturbing the marine life around you,” Lapp says, adding that this experience helps owners create “better connections with the environment.”

Finally, there can also be the grin factor. “The Eelex 8000 can accelerate from 0 to 20 knots in 4.2 seconds,” Wästberg says. “The software captures 150 data points every second, allowing for real-time analytics of battery and engine performance, including temperature, humidity, pressure, location and the craft’s system status.”

While electric yachts boast some impressive capabilities, free lunches are unicorns. Electric yachts don’t emit carbon dioxide, but their carbon footprint likely deepens with stem-to-stern life-cycle assessments of their photovoltaic panels, carbon-fiber hulls and lithium-based batteries. Then there’s the inconvenient financial truth that all batteries have a finite number of charge cycles and eventually need refitting. Also, for now, diesel mechanics greatly outnumber certified electric-boat technicians, especially in remote locales.

Still, few people gifted with foresight would have bet against Evinrude’s outboards in the early 20th century. The same holds true for today’s electric boats. One only has to look at the Monaco Energy Boat Challenge to realize that some of the brightest minds in the marine and technology fields are committed to a carbon-free future.

Couple this trend with the fact that electric yachts are already providing better performance and compromise-free cruising, and yachting’s future is looking bright (green).  

Navier Boats teamed up with Paul Bieker, an America’s Cup-winning naval architect and hydrofoil expert, to create the Navier 27. It delivers 30-plus-knot top speeds or a 75-nautical-mile range at slower speeds. While impressive, hydrofoils require active control, which is a crux that Navier solved by creating an autonomous foil-control system.

Sunreef 100 Eco

It’s one thing to build a solar-powered vessel for the Monaco Energy Boat Challenge; it’s a different challenge to build an electric 100-footer that can accommodate 12 guests and five crewmembers. The Sunreef 100 Eco’s flexible solar panels mean this cat can accommodate 2,610 square feet of solar-farm space and generate up to 46 kilowatts per hour of DC power, which should keep its high-performance lithium-ion batteries topped off. 

Hands on the Helm

While the Navier 27 will initially require human hands on its helm, down-the-road software releases are expected to enable autonomous driving.

Panel Planners

While photovoltaic panels can be fitted to any yacht, catamarans present themselves as an ideal platform, given their beam and broader coach-roof space.

• More: Electric , Electric Boats , Electric Motors , Electric Yachts , Silent-Yachts , Sunreef Yachts , Yachts , Zin Boats
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Electric yacht comparison - Which electric yacht fits you?

• updated: 14. October 2022

Alva Yachts Ocean Eco 60ex – Image: Alva Yachts

Electric yachts are becoming increasingly popular as a result of people’s increased environmental consciousness and limitations caused by climate change. However, with more and more models and manufacturers on the market, it can be difficult to decide which one is right for you. In this electric yacht comparison, you will get an overview of the different models available and learn about the factors that you should consider when making your decision. So read on to find out more!

In this comparison are only electric yachts of over 10 meters in length, if you are looking for a smaller boat, check out our electric boat comparison .

Table of Contents

Electric yacht comparison.

*Base Price excluding VAT, Customs Fees, etc. This is only a reference, the actual price in your country may vary greatly. Therefore, the euro and the dollar were also considered equivalent here.

Alva Yachts - ECO Cruise 50

The ECO CRUISE 50 is a monohull yacht that has less space for solar panels than the catamarans of this size. But the ECO CRUISE 50 has the advantage of taking less room and is simpler to handle in port. The rooms are also closer together because you don’t have to go from one hull to the other. With a unique design that includes a huge beach club area with ample area to park the yachts tender and a jet ski while traveling, it’s suitable for both families and groups of friends. Alva Yachts’ designs are forward-thinking and contemporary, reflecting a creative vision. Natural materials and lighting are emphasized. The Owner version has room for 6 passengers and 2 crew berths, whereas the Charter version has space for 8 passengers and 2 crew berths. The performance version has a maximum speed of 20 knots.

Alva Yachts - Ocean ECO 60

The OCEAN ECO 60 is a solar-powered electric long-range cruiser catamaran. The electric yacht’s cutting-edge technology-focused design allows you to cruise indefinitely at a comfortable speed of 5 knots without relying on shore power, as the solar panels provide enough electricity for the electric motor. However, you can add a hydrogen or diesel generator in case the clouds are ever not in your favor or if you prefer to travel at higher speeds. To complement the luxurious and pleasant design of this solar electric catamaran, you may also add a jacuzzi and a sauna to fully unwind on your yacht.

Alva Yachts - OCEAN ECO 60 EX

The only distinction between the OCEAN ECO 60 EX and the regular model is the fully enclosed flybridge.

Alva Yachts - OCEAN ECO 90

The OCEAN ECO 90 is a luxury solar electric motor superyacht that offers superbly comfortable and spacious accommodation, with an exterior and interior design that is uniquely appealing. Superyachts with electric propulsion can also feel like the next generation, as the OCEAN ECO 90 shows. With cutting-edge forms, futuristic and minimal architecture, this vessel is suited to forward-thinking clients. While the electric yacht is at anchor or quietly cruising the seas, you may leisurely sunbathe outdoors or enjoy your espresso. Alternatively, there’s plenty of room for family gatherings and parties. You may also embrace the visitors inside of the spacious, well-lit saloon.

There is plenty of room for tenders, jet skis, and other watercraft and water toys, as well as additional features, to suit your taste.

Alva Yachts - OCEAN ECO 90 EX

As for the Ocean Eco 60, the only distinction between the OCEAN ECO 90 EX and the regular model is the fully enclosed flybridge.

AQUON - AQUON One

The Aquon One is a hydrogen yacht, where the energy is generated through water electrolysis. This means that hydrogen is produced with the help of the energy generated by the solar cells. The hydrogen generated is stored in hydrogen tanks and used to charge the battery bank, which powers the electric motors. The combination of hydrogen and oxygen will not only lead to impressive performance but also charge the batteries. The AQUON One can achieve a speed of 20 knots and it may travel an unlimited distance at 4 to 6 knots.

AQUON uses sustainable materials in production: Wall paneling is constructed from bamboo, some walls are constructed of a combination of flax and carbon fibers, furniture is crafted from veneer, recycled leather from shoe production is used on the main floor, sustainable Portuguese cork is used in wet areas for floor and wall coverings.

The smart yacht is outfitted with innovative communication technology and high-speed internet that enables IoT devices. Even the window shading is intelligent and adjusts to the position of the sun and ambient conditions, making it very energy efficient as less energy is needed to air-condition the vessel.

To estimate the AQUON One Price , consider the cost of similar size electric yachts in this comparison and add a good premium for electrolysis and hydrogen propulsion. Remember that with this technology you can save a lot of money.

Greenline Yachts - Greenline 39

Greenline 39 is a small electric yacht with a good space layout. The abundance of natural light inside due to the 360˚ panoramic view gives a spacious feeling on deck.

The cockpit and galley may be readily integrated into a single large social area so that you may do what you love best with the people who matter most to you. Whether you want to catch up with friends at a local island or head out for a day on the water, the Greenline 39 will get you there. With an 8 kWp solar panel output, you can go up to two days on anchor without requiring any shore energy.

Greenline Yachts - Greenline 40

The main differences between the Greenline 39 and the Greenline 40 are the shape and the roof. The Greenline 39 has a sportier build than the Greenline 40, but the Greenline 40 has a larger roof. The larger roof provides more space for the solar cells that generate energy for the electric motors. The roof of the Greenline 40 may be opened to a larger extent than on the Greenline 39.

Greenline Yachts - Greenline 45

The Greenline 45 is available in two versions the Greenline 45 Coupe with a large roof and the Greenline 45 Fly with a flybridge. The Greenline 45 Coupe has a bigger roof area than the Greenline 45 Fly, allowing it to accommodate more solar panels that may power the electric propulsion with 13 kWp rather than 8 kWp. Both models have the same interior layout, giving you plenty of area for your family, guests, and a full-beam master cabin.

The Greenline 45 can travel 30 nautical miles fully electric on a single charge. It is capable of speeds of up to 13 knots and has all the facilities required for overnight cruising with up to 8 berths and 2 toilets/ bathrooms.

Greenline Yachts - Greenline 48

The Greenline 48 is also available in two styles: the Greenline 48 Coupe with a big roof and the Greenline 48 Fly with a flybridge. The Coupe version features 13 kWp of solar panels, compared to 8 kWp on the Flybridge model. The battery banks on both models may be charged either by shore power or from the sun. The Greenline 48 has a fully electric range of 30 nautical miles at a speed of 7 knots. The top speed of the electric version is 13 knots.

The spacious bow deck provides a great place to sunbathe with a large bathing platform at the stern. The interior is very open and provides an abundance of natural light from panoramic windows all around. The interior comes with a stunning full-beam master cabin, a walk-in closet, and a full-size freezer.

Greenline Yachts - Greenline 68

The Greenline 68 has an impressive flybridge design. This makes access to the sun deck for sunbathing or relaxation easy and provides plenty of space on the roof for solar panels that power its 12 kWp electric propulsion system. The electric version of the Greenline 68 is capable of speeds up to 10 knots and can travel 15 nautical miles on a single charge. The Greenline 68 has a range of 30 nautical miles in both its electric and fuel-powered variants. On the inside, it provides all the luxuries expected from a large yacht including two staterooms with queen size beds, two full-size bathrooms, and an open main deck plan.

Silent Yachts - Silent 60

Silent Yachts is the best known electric yacht manufacturer. The founding couple has achieved this primarily by building an outstanding team, parts of which are former Tesla employees, and clever marketing. Of course, they also have an advantage due to their early involvement in the field.

The Silent 60 is the next step in the evolution of the legendary Silent 64 and won “Best of Boats” awards in the category “Best for Travel”. The Silent 60 combines all of the previous model’s finest features with improved performance, a sleek design, and lower environmental impact. It can be driven by two people comfortably and has up to 4 cabins onboard based on the version (Front Master or Front Exit). The Silent 60 has an unlimited range at low speeds. If you want it faster, you can combine the solar panels’ 17 kWp output with an automatic kite.

Silent Yachts - Silent 62 3-Deck

The Silent 3-Deck is the three-deck version of the Silent 60, which has two additional feet as a result of adding the deck. The Open and Closed versions of the Silent 3-Deck are two separate options. The closed-deck version has also two different variants: one with a closed sky lounge and one with an owner’s suite on the third deck. If you like the Silent 60, finding a Silent 60 or 62 that is not suitable for your needs is nearly impossible.

Silent Yachts - Silent 80

The Silent 80 offers all the benefits of the Silent 60 with even more room, so if you want to spend some quality time with even more family and friends, you might want to look deeper at the specifications of this electric yacht. It boasts an impressive top speed of 20 knots, promising a smooth ride in most conditions. The Silent 80 has all the perks of being fully electric including being silent, ecologically friendly, and with no gasoline smell or noise. The unlimited range is also impressive. The Silent 80’s open layout makes it feel roomy and our favorite spot is the flybridge with the retractable roof.

Silent Yachts - Silent 80 3-Deck

The Silent 80 3-Deck is the three-story version of the Silent 80, hence the name. It has a similar relationship as the Silent 62 3-Deck to the Silent 60, but without gaining two additional feet in length. The top deck of the solar electric yacht can be either an open sky lounge or if you choose the closed version, it can be a closed sky lounge or an owner’s lounge with a 360 view of the ocean. The 45m² sky lounge is definitely a great place to party with a huge bar and dining area.

Silent Yachts - Silent 100

The Silent 100 is the newest flagship from Silent Yachts. It’s the biggest yacht with electric propulsion systems and a lot of cleverly placed design accents. Marco Casali, who also designed the majority of other electric yachts in the range, created this solar electric yacht. He used curves to create a timeless design with the most optimal performance possible for this size. All of the measurements are carefully placed to enhance stability even at high speeds of up to 16 knots, but also make it extremely comfortable. The Silent 100 has four decks, with the fourth one hidden beneath the retractable part of the solar roof, and on this floor is also a landing pad. The entire solar roof generates an impressive output of up to 40 kW per hour, which supplies both the onboard power and the two 340 kW electric motors.

For water toys and tenders there are also two tender garages. One between the two hulls, where can store a tender of up to 7,50m, and one smaller garage in the side-loading garage in the portside hull.

Soel Yachts - Soel Senses 48

The Soel Senses 48 has enough room for up to 12 people in a comparable small, yet spacious, size of 14.50m. Each of the two cabins, one in each hull, is paired with a bathroom. A versatile sleeping area in the salon can further accommodate up to four people. The optimum cruising speed for this electric yacht is 10 knots, but you can reach a top speed of 18 knots. At 10 knots, the largest battery package can travel a distance of 56 nm. The electric propulsion system is from Naval DC (both motor and battery). With shore power, the battery pack may be charged at up to 18 kW when the 2.7 kWp output of the solar roof isn’t enough.

Soel Yachts - Soel Senses 62

Soel Yachts’ Soel Senses 62 is designed in a timeless style that will most likely never go out of style, like sustainability. This solar electric yacht has a dynamic elegance with refined interior design and a beautiful exterior silhouette. The salon extends almost the whole width of the vessel, allowing for lots of natural light inside. The rooms combine to form a well-integrated design that provides enough seclusion in the private cabins. A spacious master suite, two guest cabins, and a kids cabin offer plenty of space for a memorable holiday with family and friends. There’s also a separate crew cabin with its own entry. There are also optional diesel generators for longer trips, such as a trans-ocean journey, to ensure that you have enough electricity. When the conditions aren’t optimal to reach the full 17.6 kWp output of the solar panels.

Solarimpact Yacht - The SWATH Yacht

The SWATH Yacht from Solarimpact Yacht surprises with its unique shape. Not only the S.W.A.T.H hull shape, but the whole design of the yacht looks very futuristic and it is easy to see here that this is a vision. A vision that may not make it onto the water in this form, as it is, unfortunately, the case with many concept vehicles. Unfortunately, because we would like to see the vision become a reality as it brings creative design to the 80-foot electric yacht sector since most of them are just larger versions of smaller yachts.

Solarimpact Yacht - CAT 80

Compared to the SWATH yacht, the CAT 80 is a more set variant with the same length. Externally a very simple catamaran design is used, in the interior similar options are available as in the SWATH yacht. This creates elegance on a completely different basis.

Sunreef Yachts - 60 Sunreef Power Eco

Sunreef Yachts has a special approach to the placement of solar panels. This is because not only the roof is covered with solar panels, but also the outside of the hulls of the catamaran and all other non-walkable surfaces are covered. In addition, there is the possibility of equipping the yacht with wind turbines to use the energy for the electric motors. The energy is then temporarily stored in the ultra-light battery bank. They use recyclable and ethical materials (such as linen, basalt, reclaimed teak flooring or antifouling with silicon)for their ECO Line. Sunreef Yachts’ Eco line is based on the yachts with combustion engine. This not only allows Sunreef to save costs in development, but also benefits through targeted selection of Brand Ambassadors. For example, Rafael Nadal’s yacht the Great White is a 80 Sunreef Power, so not an ECO yacht like the one Nico Rosberg is getting.

See more in this video:

The 60 Sunreef Power Eco Yacht offers a solar output of 14 kWp due to the placement of the solar panels, has two 180 kW electric motors on board with a battery bank of up to 320 kW. The electric catamaran can accommodate up to 12 people and 4 crew members.

Sunreef Yachts - 70 Sunreef Power Eco

The 70 Sunreef Power Eco Yacht is the bigger version of the 60. Therefore is a lot more room in this model.

Sunreef Yachts - 80 Sunreef Power Eco

The 80 Sunreef Power Eco Yacht is the larger brother of the 70. With more length and a wider beam.

Electric Yacht FAQs

The cheapest yacht in this comparison is the Silent Yachts Silent 60 with a base price of 2.770.000,00 €. However, there are cheaper electric yachts in this comparison, but the price is not publicly communicated. Especially the smaller yachts from Greenline Yachts should be significantly cheaper. If you inquire with Greenline Yachts and the price does not match your budget, we recommend you to take a look at our electric boat comparison . Especially the boats with cabin might fit your needs and budget.

There are 8 solar powered electric yacht companies in this comparison.

Solar powered electric yachts: a great step into the future of yachting

Take a step and enjoy the advantage of solar electric yachts with zero emissions. Neither noise nor CO2 is emitted with solar powered electric yachts. A great step into the future.

If you’ve made it this far, congratulations! You have a lot of information about electric yachts and the features that are important to them. Hopefully we were able to help point out some key things for your next purchase so you can get exactly what you need. But don’t forget – if there’s anything else not mentioned in our blog post that you’re wondering about or want more information on, feel free reach out with any questions at all! We’ll be happy to answer them as best we can.

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The Best Solar Powered Catamarans (2023 UPDATE)

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Catamarans are incredible boats, and making one solar-powered really makes my little engineering brain go wild. In this article, I discuss some of the coolest solar-powered catamarans out there!

Here are three of the best solar-powered catamarans:

• Sunreef’s 80 Sunreef Power Eco Yacht
• Silent Yachts’ Silent 80
• Soel’s Senses 48

There are soo many variables that it’s tough to say one is better than the others. No matter which you board, you’re going to have a luxury experience. The benefit of these solar cats is that the experience can be had while maintaining a sustainable lifestyle and contributing to the betterment of the environment.

The diesel engine is dead, Long live electric power. Sort of…

Table of Contents

Solar Catamarans: Luxury Yachts

Before we look at each of these, let’s take a few paragraphs to talk about catamarans in general. First of all, when many people think of cats, they think of a relatively small craft barrelling across the water, one of its hulls in the air with a swashbuckling daredevil hanging off the side of it high above the water.

That’s not the kind of catamaran we’re talking about here. We are, instead, looking at yachts or cruising catamarans. These share one commonality with the other type of cat, and that’s the twin hulls. But that’s it. Cruising cats are slower, more stately boats. Also, on one of those little, quick ones, there’s not room for much of anything, and you won’t likely be doing any cooking or sleeping on it.

We’re also looking solely at solar-powered catamarans here, and although they have much in common with their diesel-drinking brethren, there are some key differences, which we’ll also address.

Perhaps the main difference (and one of the most significant selling points for a solar-powered catamaran) is the noise level. Gabo

Anyone who’s been on any boat with a combustion engine (diesel or petrol) on board has had to deal with the noise and smell.

But the drone (or roar, depending on the engine’s size and location) can be far from relaxing, which is one of the main reasons to get on a boat, off the mainland, and out to sea. Even if you’re marlin fishing—not the most peaceful undertaking man has ever attempted—you’re still out on the water and hope for some peace and quiet.

Eliminating that engine noise is a pretty big deal.

How Solar Catamarans Work

The biggest key to the success of the solar-powered yacht is not the solar panels – although those are great, as they look terrific and are well integrated into the ships. But the unsung hero here is the battery system.

Solar energy companies continue to perfect their industry. By making their solar batteries denser and denser, they create batteries that can store more solar power for more extended periods in smaller spaces.

And that brings us to an aspect you probably haven’t thought of:

Solar-powered yachts have more interior room because the battery system takes up less space than a conventional engine would.

Space customarily used by an engine room gets freed up for other uses.

Since most solar catamarans are nearly infinitely customizable, it’s hard to say what you might use that extra space for, but it’s available because of the solar power system.

The yachts have solar cells in all sorts of places, most notably on the roofs of the boats, but some companies build them in over large swaths of the hull, so they look as much like a design choice as a power source.

3 Best Solar-Powered Catamarans

Let’s be honest—if you’re dropping more than a couple of million dollars on a boat, two things are likely true: you have a lot of money, and you like nice things. All of the yachts listed here are lovely things, so it’s going to be hard to go wrong. 

As a result (and since these aren’t exactly accessible for test drives), it’s difficult to say which one of these is actually the best ; ergo, this list is in no particular order. They’re all glorious specimens.

Incidentally, where the price is listed, that number is an extremely general estimate. As these vessels are all entirely customizable and each choice below is available in different lengths and configurations, the cost can vary wildly.

To better understand what is a good price of a solar-powered cat, they should be compared to performance cruising catamarans or larger catamarans for families .

80 Sunreef Power Eco Yacht

This may be the most remarkable boat you’ll see for a long time. Sunreef has been in the yacht-building business since the turn of the millennium, winning awards along the way, and in the last few years, the company began work on its Eco line.

While there are shorter (and one longer) versions of this ship, the 80-footer (24.38 m) is pretty iconic. It offers electric motors to push it over the water and to do so with little noise, vibrations, and zero smell of fuel or exhaust.

As mentioned earlier, this is the yacht with solar cells pretty much all over it. They dot the sides of the hull and add to the overall look of the ship. With these cells and the panels on the roof, this yacht carries 200 square meters (2152 sq ft) of solar cells generating up to 40kWp (that’s 40 kilowatts peak, meaning under the best conditions, like on a bright, sunny day). Sunreef makes cats that run under sail, as well.

• Unlimited cruising
• No emissions
• Silent running
• Solar panels on the sides of the boat may not appeal to everyone
• Price: $8 million USD and up (new)

Silent Yachts has several versions of each of its catamarans. This eighty-footer (24m) is available in a loft or a classic version, but you get large spaces and incredible luxury no matter what you choose. The bathrooms alone on these things are pretty enough to live in.

Like Sunreef, Silent Yachts offers various lengths of these yachts, but they refer to the 80 as their flagship, and with good reason. Also with good reason, this yacht has been called “the Tesla of the seas.”

Three power options exist, each allowing higher maximum speeds for longer periods on the water than the last, but all three offer cruising speeds of up to 8 knots.

Its rooftop solar panels generate 26kWp of power . While that’s a significant step down from the comparable Sunreef vessel, the company claims unlimited range. Theoretically, it makes sense—solar power is even easier to come by on the open sea than on land, and with an endless supply, you ought to be able to cruise forever (as long as the sun shines).

All that power gets stored in batteries, and when it’s time to use it, the boat does so silently through its electric motors, on which Silent Yachts gives a lifetime warranty. While that warranty wouldn’t give you much peace of mind if you were on the float hoping for rescue, once you got it back home, whatever the problem was would get fixed, and you’d be ready to go out again.

Like any electric motor propulsion system, the Silent 80’s requires almost zero maintenance. Compare that to the ongoing work you do on your big, loud, smelly diesel engine. Not having to change the oil alone seems worth the investment.

• Recommended maintenance schedule happens after the end of most yachts’ lifespans, meaning you may not ever have to do any maintenance at all on this one.
• Kite available for additional propulsion (up to ten times more efficient than a sail)
• Its five-and-a-half-foot draft is pretty deep.
• Smaller kWp capacity than comparable makes.
• Price: $4.6 million and up (new).

Soel Senses 48

This is a smaller yacht (a little more than half the size) than the first two. However, Soel has built a beautiful boat that is entirely sustainably powered. The 12 solar panels on the roof generate 2.7 kWp of electricity stored in two batteries that can be configured to hold up to 142 kWh of stored solar power.

This, like the others, makes for a boat that glides over the water without rattles, without fumes, without noise. Unlike the others, its cruising speed tops out at 10 knots —faster due to its smaller size. Its top speed runs at 18 knots, but with significantly less kWp on board, the ship won’t run at that top speed for extended periods.

The company lists the ship’s range at between 30 and 56 nautical miles (55 – 103 km) , and the fluctuation will come from various options and choices available in operational modes.

• The boat’s 2.3-foot (70.10 cm) draft is shallower than the larger boats here.
• Orders of magnitude more affordable.
• This is a smaller boat and won’t comfortably sleep much more than 10.
• Limited range means this is a weekend cruiser, not a circumnavigator.
• Price: $600,000 and up (new).

Other Choices

These next couple of catamarans are newer and smaller, but they bear mentioning for various reasons, which we’ll be sure to point out with each one. Again, at a certain point, a yacht is a yacht, and if you can fit your friends and family on it for a fun trip, everything else is just gravy.

Smaller than Silent Yacht’s Silent 80, this one is a product not only of Silent Yacht but one made in conjunction with Volkwagen and Cupra, a Spanish car company.

Volkswagen has become a significant player in the electric motor game, so the company brings its Modular Electric Drive (MED) to this vessel, allowing for an even more efficient electric propulsion system than the one on the Silent 80. 

Cupra’s presence in the project seems to be solely on the design side of things. The Silent 50 is a vessel built with an eye toward a world in which water travel creates zero greenhouse gas emissions.

Aquanima 40

Azura Marine , based in Singapore, recently announced a solar-powered yacht whose biggest feature may have been its six-figure cost. According to Azura Marine, the ship can cruise indefinitely with a 10 kW solar power system and a 60 kWh battery pack. That is a smaller battery pack than the others, but it’s also a smaller craft.

This cat is a terrific combination of price and features.

Choosing the Best Solar Catamaran for You

This will be a personal choice and one you’ll want to do a lot of research on (which is presumably why you landed on this page in the first place). Since solar-powered catamarans sell for sums of money with at least seven digits in them, this will not be an impulse purchase for very many people.

Any of the choices listed here will be well-built, beautiful, luxurious places to lay your head or sip your mimosas while you’re on the water. It may come down to aesthetics, range, or speed, but all of these models offer incredible specimens that everyone—landlubber or old salt—will treasure.

The luxury yacht world is an exclusive one, but it doesn’t have to be wasteful or ecologically irresponsible. The yachts listed here are some of the best in the world in terms of combining luxury with solar power and providing emissions-free yachting that’s quiet and relaxing.

New yachts can be purchased from the manufacturers, allowing for customization, and various online yacht brokers are willing to help you find a pre-owned craft that’s right for you.

Finding the right yacht for you will depend on your wants and needs, but we can all agree that environmentally sound, sustainable power on these vessels is valuable.

• Electrek: This $500,000 electric yacht can cross oceans on just battery and solar power
• Forbes: Volkswagen Unveils 50-Foot Solar-Powered Catamaran In Partnership With Silent-Yachts
• Kite Boat Systems: Kite controller for sailing boats
• Plugboats: New 48′ solar electric catamaran from Soel Yachts
• Robb Report: Solar-Powered Yachts Are Taking Over. Here’s Why That’s a Good Thing.
• Silent Yachts: Silent 80
• Soel: Soel Senses 48
• Sunreef: 80 Sunreef Power Eco

Owner of CatamaranFreedom.com. A minimalist that has lived in a caravan in Sweden, 35ft Monohull in the Bahamas, and right now in his self-built Van. He just started the next adventure, to circumnavigate the world on a Catamaran!

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Review: Silent 55, the extraordinary solar powered yacht

• January 18, 2019

Silent Yachts is tapping into the solar zeitgeist and creating a new meaning for the term ‘powercat’.  Sam Fortescue reports

There is a slow, silent revolution under way in the yachting world. It is a revolution that is introducing tonnes of lithium and a sprinkling of silicon to the spec list of new boats. Holding out the promise of silent mobility, plus limitless domestic power on board, it made a big splash at the last Cannes Festival of Yachting – not least thanks to the new Silent 55 catamaran which debuted there.

From the pontoon side, the Silent 55 looks like a typical modern catamaran, with a big coachroof studded with windows and a flybridge helm. Except there’s no mast. Now, bear with me here. I realise that this is a sailing magazine, but we will shortly get back to more familiar territory. The unique qualities of this catamaran only become apparent from up top, where an expanse of solar panels stretches away fore and aft, embedded into the coachroof. The hard top itself carries yet more panels, and can be folded down flush to give an unshaded solar array of 49m2. During the heat of a summer day in the Med, this is capable of generating 10kW of power and up to around 60kWh in the course of the day.

But to make a solar system work in reality, Köhler had to go back to the drawing board on yacht design. The saloon and hulls have extra thermal insulation to keep air-con losses down, and the use of carbon and aramid in key areas helps reduce the overall weight to a decent 17 tonnes (a Lagoon 52 weighs 22.5 tonnes). He has tried to keep windows out of the direct sun with long overhangs and in contrast to the Lagoon’s 12 deck hatches, the Silent 55 has just two.

Holistic design

On the other hand, it has lots of opening windows, to allow a natural draught to do its job. “It’s a holistic approach – you can’t take the batteries and the drivetrain and drop it into another boat.”

Of course, using the propulsion system quickly takes its toll of the boat’s 140kW battery bank. The model on display at Cannes had two 135kW motors, giving you just half an hour of silent motoring flat-out, albeit at a top speed of over 20 knots. More reasonable 30kW engines and a single-digit speed give you greater range. Nonetheless, the electric drive alone isn’t going to allow you to outrun a storm, or race home after a day at anchor, so the boat is designed to work with a generator hidden in the heavily insulated transom of its starboard hull. At cruising speed of around 5-6 knots, Köhler says there is rarely any need to use the generator, citing an owner who has just emailed him triumphantly about a second year totally generator-free. “In the end, you have to compare it to the performance of a sailing boat,” Köhler says. “It is as fast as a sailing boat in similar conditions – after all, there is no wind without sun.” He went so far as to tell me during the sea trial in Palma, Mallorca, that he believed the majority of sailors would happily dispense with the hassle of sails and a rig if only they could enjoy silent motoring and anchoring. “As soon as people realise the incredible concept of this boat, they won’t understand why they ever did anything else.”

The market does not seem to agree with him – yet. Sales of the boat have been good – they have already sold six, five of which are already in the water. But of those, four customers have taken the sail option, which means planting a 19.7m tall mast complete with boom and rigging slap bang in the middle of the coachroof solar array. “I was a bit amazed,” Köhler admits. “The shade from the rig reduces the energy generated by the solar area, while it costs more and is heavier, so consumes more fuel. Maybe it is for optical reasons.” In fact, the shade of the rig slashes the average yield of the solar panels in half. In the Med, that means around 30kWh per day. But perhaps it figures. The typical profile of buyers is an environmentalist who has a Tesla electric car and is “an early adopter who likes to have things before others”. And at low speeds, with modest use of the air-con, the reduced energy generation should still cover daily consumption.

The performance under sail should be reasonable because of the lightweight build of the boat, its broad 8.47m beam and stub keels added to each hull. Control lines are led back via conduits in the coachroof to the flybridge helm station, to make single-handing under sail a possibility.

More interesting, I think, is a sort of halfway-house option using a kite rig. This optimises the performance of the solar panels and gives plenty of propulsion. On the smaller 55 and the 64, Silent Yachts currently recommends a 19m2 kite that costs around €25,000 – a fraction of the cost of a new mast, boom, shrouds and sails. “The sail automatically makes a figure of eight above the boat, and you can steer it with a joystick or an app on an android phone,” Köhler explains. “It can propel the 55 at up to 6 knots, even in light winds.” Perfect for an Atlantic crossing, then.

For the bigger Silent 79, which will hit the water in the summer, a commercial grade Sky Sail system needs to be used – a smaller version of the ones used on cargo ships. This kite can propel the boat at ten knots, but it costs more than ten times as much as its smaller cousin. Both are capable of pulling the boat upwind. So far, so new. But outside the novel energy and propulsion system, the Silent 55 aims to do what many other cruising catamarans are trying to achieve. “Most of our clients order for circumnavigation and long-term cruising,” Köhler says. So the boat is aimed to be as comfortable and capable as possible with watermakers, TVs and an induction hob that all capitalise on the boat’s abundant energy. A flexible configuration allows owners the choice 
of between three and six cabins – the latter designed for charter. The owner’s cabin lies forward of the saloon, under the windows of the coachroof, which provide magnificent views and abundant natural light. There’s a walk-around bed and steps down into the starboard hull give access to an en-suite shower room and heads.

In my view, the best cabin lies aft of this, accessed in the traditional manner down steps out of the saloon. The king-sized bed lies athwartships and the shower is larger than that of the master cabin. There’s more space down here, better headroom and still plenty of light courtesy of the many hull lights.

When I had the chance to sea trial the Silent 55, albeit in motorboat format, I jumped at it. It was a contrary autumn day on Mallorca with 15 knots breeze – just a shame, then, that this wasn’t one of the sailing configured versions.

To start with, getting on board is made really easy courtesy of deep boarding platforms on the skirts. She feels rather square because of that vast, glazed saloon with its deep overhang, and perhaps because of the utilitarian nature of the hard top, which is really about supporting more solar panels. Nevertheless, the side decks are broad and uncluttered. The space up top is designed to concertina down flat, hence the hydraulic rams, fold-down seat back and lowering console. It makes a great sailing position, though, with all round visibility, and is also perfect for sundowners at anchor. When the rain comes down, this feels quite exposed, but there is a fully sheltered helm at the front of the saloon, and it is also possible to drive the boat from anywhere using a tablet thanks to smart electronics. Under power, the handling is superb. The quietness of the motors is astonishing, and I gather they’ll be inaudible on the next boat, which will do away with the gearbox. Even in the aft cabins, directly above the motors, there is no more than a distant hum. The boat responds instantly to the power and the wind seemed to have no impact at all. As with any propulsion system, the power consumption jumps as you pile on the speed – it was sobering to see. At 6 knots, both motors drew 10kW but at 8 knots it was closer to 30kW. I liked the huge saloon with its raised table for 360º views. And the sliding door and window gives great access aft, connecting the saloon and cockpit in fine conditions. The finish was smart and in muted tones, feeling more Scandinavian than German.

Intriguingly, at least it seems to me, Köhler has tapped into something with the concept behind Silent Yachts – but not entirely for the reasons that he expected. Buyers are opting for the sail or kite versions of the boat because they want a comfortable wind-powered craft with abundant, quiet energy on tap. It brings a whole new meaning to the 
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Sustainability Success

10 SOLAR Boats 2023 & 2024 | Electric Yachts & Catamarans

With more steps being taken towards sustainable development, new, eco-friendly solar boats have been introduced in the world of green travel: solar electric catamarans. 

Solar boats are electric yachts that can go for long distances without needing to stop for fuel and without emissions. Those solar catamarans are interesting eco-friendly alternatives to the classic power boat or sailing yacht for cruising. However, there are also a few disadvantages that you should know about before purchasing one!

10 Solar boats, electric yachts & catamarans

Here are the best solar boats that will delight you with a top-notch sustainable yachting experience based on your requirements:

Sunreef Yachts – Eco 80 Sail Catamaran

• Silent Yachts – Silent 80 3-Deck

HH Catamarans – HH44

Silent yachts – silent 60, sunreef 43m eco (140 ft).

• Silent 120 Explorer
• 100 Sunreef Power Eco

Azura Marine – Aquanima 40

Soel yachts – soel senses 48, serenity yachts – serenity 64 (hybrid).

Here’s a quick summary of the features of the best solar catamarans for green yachting in 2023-2024:

If you are an advocate of sustainable yachting or sustainable tourism and are looking to buy an eco-friendly boat that doesn’t rely on fossil fuels , then you would do well to consider getting a solar catamaran. In this article, I will go through the pros and cons of 10 of the best solar yachts and superyachts that you can buy in 2023 and 2024!

It is also important to note that while there are solar panels for sailboats that you can fit on older models, those new boats have been specifically designed to maximize the use of renewable energy.

Most Luxurious + Most innovative solar system

The Eco 80 Sail Catamaran is one of the electric solar boats provided by Sunreef Yachts.

It features a unique “solar skin” that covers all composite structures on the boat, including hull sides, boom, mast, bimini, and superstructure. This green tech makes it possible to place solar panels where it wouldn’t normally be possible (like the hull and any other smaller but useful surface) and provide enough solar energy from every angle.

The boat is 80-feet long (24.38 meters) and includes electric motors that push it smoothly over the water without causing any vibrations or noise.

Besides being solar powered boat, the Eco 80 Sail Catamaran can also be powered by wind and hydropower. It is designed with a sail on its structure, allowing it to tap into wind power and supplement the solar.

The solar powered sailboat generates enough green power not only to propel the boat and keep it moving but also to charge the essential electric water appliances and other water-sport toys.

So far, the Sunreef Yachts Eco solar sailboats have earned a good reputation for being eco-friendly and sustainable. Besides, this solar powered catamaran takes its commitment to the environment a notch higher by using recycled materials , natural fibers, and non-toxic paints to create their boats.

It is no wonder that Sunreef Yachts have been winning environmental awards for so many years. This solar sailboat is one of the most remarkable boats you can ever invest in and it clearly shows the latest advancements in technology .

Prices: about $8 million USD

Where to buy : Sunreef Yachts .

• Larger surface covered with solar panels, that are installed also along the hull, and in other unusual areas.
• The batteries are 30% lighter than normal
• Unlimited cruising range.
• It runs silently and does not cause pollution.
• It has also traditional sails, so it can cruise also when it is not sunny without relying on batteries.
• Luxury, superb quality and finishing
• Great helm position.
• The solar catamaran is very costly (going for $8 million USD or more).
• The solar panels installed on the sides of the catamaran may not be appealing to the eye of all people.

Silent Yachts – Silent 80 Tri-Deck Solar Catamaran

Best pure electric

The Silent 80 Tri-Deck Solar yacht is popular for the large amount of space it offers.

This solar catamaran by Silent Yachts features three large decks that can be easily customized to fit the owner’s preferences and needs. The topmost deck can either be open or enclosed.

This solar powered yacht offers 4 to 6 cabins that are customizable, regardless of whether the deck remains open or enclosed. Besides, the top deck provides additional living space and can be used as a luxury master suite that opens onto a private space outdoors.

Where to buy : Silent Yachts .

• Purely electric propulsion that can be helped by the kite sail.
• The finishing, while being of high standards, doesn’t seem to be at the level of other options in its category.
• Quite costly, with prices starting at about $6 million USD.
• If going for a long cruise during cloudy days you may need to run the generator to keep going.
• The kite sail helps to give some propulsion using wind, but it is less effective than traditional sails.
• The absence of a traditional sail may make the boat a bit less stable, compromising a bit of the comfort while cruising.

Best for world cruising

HH Catamarans is a small boutique boat builder designing some of the most impressive solar boats for cruising, with one of their latest creations being the HH44.

The HH44 is a groundbreaking new boat that is designed to be eco-friendly and efficient.

The boat has a large battery bank that can be charged by solar panels, and also has two electric motors that can be used for electric propulsion up to 7 knots for up to 2h.

The HH44 has an innovative propulsion system named Eco-Drive. This is a parallel hybrid system that combines diesel and electric propulsion for long-range motoring and silent electric propulsion.

The boat also has two diesel engines, which can be used for long-range motoring or to generate electricity. The boat is also designed to be safe, with four propulsion devices plus sails and a large solar array.

The HH44 has a number of technical features that make it a groundbreaking eco-friendly design, including:

• 3 types of propulsion: full electric, standard diesel, and sail.
• 4.2 kWh of solar panels: generating power for recharging the lithium battery bank for solar .
• 10 kW electric motors (5kW each): mounted on the back end of each diesel engine for electric propulsion.
• The diesel engines can be used both for propulsion and as electric generators.
• Possibility to use the propellers to recharge the battery while the boat is sailing. Kind of like using hydropower to charge your solar batteries , pretty cool!

The HH44 is also a performance catamaran thanks to its C-shaped §daggerboards. Daggerboards are an essential component of many sailing vessels, providing both vertical lift and increased upwind sailing performance.

This solar powered yacht features up to 4 double cabins and 2 heads . Not bad for this world-cruising vessel!

If instead, you are looking for a larger boat, HH Catamarans also have other models up to 88ft.

This solar catamaran was also the preferred choice of Gone with the Wynns , a popular cruising YouTube channel. Here’s their announcement video:

Where to buy : HH Catamarans .

• A true performance world cruiser.
• Very resilient with 3 different propulsion modes (electric, sail, and conventional engines) and ideal for offshore cruising.
• It can run silently and without causing pollution.
• More affordable than other solar catamarans, starting from $1 mm USD
• Smaller than other options.
• The improved sailing performance requires narrower hulls, which reduces the available space onboard compared to other traditional vessels of similar size

Best mid-range

The Silent 60 is one of the smaller electric boats made by Silent Yachts. It is designed to be handled by at least two people. The users can either choose to include an additional crew or not.

Despite its outward small appearance, Silent 60 is very spacious and can accommodate a good number of people.

Besides, the electric yacht has a beautiful design that adds to its elegant and luxurious feel. It is usually designed with up to 6 cabins , with each cabin offering every basic amenity you need to have a luxurious stay on the yacht. In fact, the electric solar boat is equipped with everything you need to allow you to live on board permanently!

As someone who loves spending time on the water, I was really excited to learn about the Sunreef 43M Eco: a superyacht that is both eco-friendly and luxurious.

I was especially impressed by the solar power system, which is built into the composite structures of the yacht, and the large hydraulic platform which creates a vast walkaround beach club.

The interior of the solar superyacht is just as impressive as the exterior, with a variety of sustainably-sourced materials and fabrics used throughout as well as energy-saving air-conditioning. The Sunreef 43M Eco can welcome up to 12 guests in the most luxurious conditions.

Silent Yachts – Silent 120 Explorer

Here’s another incredible solar super-yacht by Silent Yachts. The Silent 120 Explorer is a truly unique yacht, designed to explore the world in style and comfort.

Powered by solar energy, this solar catamaran is perfect for those who want to enjoy the beauty of the open seas without worrying about the impact on the environment.

With plenty of space for guests and all the amenities you need onboard, the Silent 120 Explorer is the perfect choice for your next adventure. If you’re looking for a yacht that combines luxury and environmental responsibility, the Silent 120 Explorer is a perfect choice.

The company didn’t yet release detailed information, however, this superyacht seems to be even featuring a helipad under the roof’s solar panels!

The Silent 120 Explorer has plenty of room for guests and all the amenities you need onboard. So if you’re ready to embark on your next great adventure, be sure to consider the Silent 120 Explorer, which will likely start being delivered in 2023.

The 100 Sunreef Power Eco

Sunreef recently launched and sold their first 100 Sunreef Power Eco catamaran, a transatlantic luxury craft that takes solar boat design to the next level.

With massive living space, great autonomy, and impressive features like a flybridge that can be transformed into an outdoor cinema, the 100 Sunreef Power Eco is the perfect vessel for cruising in supreme luxury

This catamaran uses the latest innovations in solar power to achieve outstanding energy efficiency, and its ultralight battery bank provides for silent cruising and infinite range.

The fully customizable interior and exterior make this catamaran a truly one-of-a-kind option, and its use of ethically-sourced and eco-responsible materials is sure to please even the most discerning buyer.

If you’re looking for an electric yacht that is both luxurious and eco-friendly, the 100 Sunreef Power Eco is certainly a great option for you if you can afford it!

The most affordable $

The Aquanima 40 catamaran is entirely powered by solar energy. It features creative adaptations and unique innovations that make it eco-friendlier and more economical boat than other solar-powered catamarans. For example, the solar panels installed on the electric catamaran are built in such a way that they can sell any excess solar energy back to shore stations when connected.

The exterior of the Aquanima 40 has an elegant design. Also, the interior is not only aesthetically pleasing, but also very clean and modern.

The boat is designed with 2 single cabins for the crew and 2 double cabins for guests.

Indeed, this solar boat by Azura Marine is one of the most economical and cost-effective options you can go for when buying a solar catamaran.

• Relatively fast.
• Ideal for short vacations.
• The most affordable solar catamaran, starting at about $0.6 million USD.
• Much smaller than other options.
• Not recommended for long cruises.
• Basic looks and layout.

As its name suggests, the Soel Senses 48 is 48 feet long. It has a slender design and is lightweight , making it more economical than most other solar-powered boats.

The boat is designed with two sleeping berths that can accommodate two people each. It also includes a salon that can offer enough sleeping space for four people. 

Compared with most other solar yachts, the Soel Senses 48 has a much smaller size. Its size, adding to its sleek and innovative design, give it faster speed than other solar-powered boats.

It incorporates 12 solar panels installed on the roof ; all these panels generate a combined electrical power of up to 2.7 kWh. The electricity generated by the solar panels is then stored in two batteries which can be easily configured to hold a maximum solar power of 142 kWh.

Like other Soel Yachts, the Soel Senses 48 glides smoothly over water without causing any noise, rattles, or generating fumes.

It has average cruising speeds of 10 knots, even reaching top speeds of up to 18 knots. However, the solar catamaran cannot run at its top speed for long periods.

Both the interior and the exterior of the Soel Senses 48 have a sleek and modern design. Every single component of the solar catamaran has been designed carefully to make it as functional and comfortable as possible. Therefore, when you board on this boat, you can expect to experience one of the best sailing experiences of your life.

The Serenity 64 Yacht features a diesel engine. It is a hybrid solar boat, which means that it can run on either solar power or on diesel.

The diesel engine especially comes in handy when the users wish to achieve faster cruising.

The solar catamaran is a very spacious electric boat and provides plenty of living space. It is built with four luxurious cabins, with each cabin having its ensuite bathroom. And even though the Serenity 64 is smaller than the Serenity 74 model also built by Serenity, it still provided an elegant feel and a smooth sailing experience.

Solar Boats Pros and Cons

The sun is a powerful and free source of energy, making solar power an attractive option for those looking to power their yacht. Solar panels can be used to generate electricity to run the yacht’s lights, appliances, and even the engine. Solar power can also be used to heat water for showers and laundry. But, what are the pros and cons of solar catamarans?

Here’s a quick summary of the solar yachts’ advantages and disadvantages:

One of the main benefits of solar power is that it is renewable and environmentally friendly. Solar panels have no emissions and do not produce pollution. In principle, they also do not require fuel, making them very cost-effective in the long run. Solar power is also very reliable, as the sun is a constant source of energy.

There are a few disadvantages to solar power. Solar panels can be expensive to install, and while they require less maintenance, this can be quite costly, especially when it will come time to replace the batteries. Solar panels also need to be pointing directly at the sun to be effective, so they may not generate power on cloudy days or at night.

But there’s more, let’s see what some sailing experts are thinking about solar catamarans!

Sailing expert’s solar Boat review

Recently, one of the most popular sailing YouTube channels, Saliling La Vagabonde , published a very honest and interesting review of the solar powered yacht Silent 55. Here’s a summary of their experience:

• 7 Days onboard (6 nights)
• Travelled 145nm with an average speed of 7 knots
• Generator used for about 12h (in total)
• Fuel consumed: 208 liters

Here are some interesting observations they made:

• While cruising it may feel less stable than a standard sailing boat because it doesn’t have a sail to stabilize it when hitting the waves.
• For the Silent 55 it was possible to move at about 3 knots by using only the power generated by the solar panels (without using the batteries) on a sunny day. This means that if you are moving the solar yacht around quite frequently, you will end up using the generator quite a lot to produce the necessary power.
• When the batteries are out of power, the Silent yacht is using a (diesel) generator to supply the necessary power to keep the boat moving and to power the appliances.
• A great luxury yacht with all the comforts and going in the right direction for the future of the sector.
• Overall, the Silent Yacht is a great eco-friendly alternative to a power boat , while if you are thinking about cruising around the world, you would be probably better off going for a standard sailboat (or for some of the hybrid alternatives mentioned in this article, like the HH44).

Why are solar yachts all catamarans?

Solar yachts are all catamarans for 2 main reasons:

• Catamarans have a larger surface, which allows for placing more solar panels and also offers more room for the batteries onboard.
• Catamarans have efficient hulls for their size. This reduces their power consumption while moving.

This makes catamarans the ideal platform to build a solar-powered boat.

Modern solar electric boats are undoubtedly an eco-friendly choice in sea travel and a form of green tourism . Not only do these electric boats provide a smooth sailing experience, but they also reduce the release of emissions into the atmosphere, reducing the environmental impact and enhancing sustainability .

Luckily, given their size, solar catamarans can charge themselves (unlike electric cars ), so they can sail indefinitely without the need to stop for refueling.

If you are environmentally conscious and looking to get a boat that is more viable, desirable, and eco-friendly, you may consider investing in one of the solar yachts discussed in this article!

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• Welcome To Starwide

How These Silent Superyachts Are Powered By The Sun

Chapters: 00:00 — Introduction 01:19 — Electrification of superyachts 05:17 — Solar technology 08:30 — The future

Produced and Edited by: Sydney Boyo Shot by: David Sauval Animation: Mallory Brangan and Christina Locopo Senior Producer: Shawn Baldwin Editorial Support: Jeniece Pettitt Additional Footage: Getty Images, Silent Yachts, Sunreef Yachts

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SILENT-YACHTS LAUNCHES FIRST EVER SOLAR ELECTRIC SILENT 62 3-DECK

New Silent 62 featuring additional 3rd deck, Multiple deck layouts available Ultra-efficient next generation solar electric drivetrain, 5+1 cabins and 6 bathrooms

Innovative shipyard Silent-Yachts has launched its first Silent 62 3-Deck solar electric catamaran at its facility in Fano, Italy.

Based on the bestselling Silent 60 but increasing the overall length of the hull by two feet (0.60m), the Silent 62 3-Deck offers an additional third deck instead of the regular flybridge. The result is a thrilling combination of the superyacht flair of the top-of-the-range Silent 80 3-Deck and the compact dimensions of the Silent 60. The best of both worlds, in other words.

Moreover, the third deck is available in three different versions: an open sky lounge, a closed sky lounge, as well as a closed owner’s suite variation. All versions are available with a “front exit” on the main deck, which allows guests to directly step onto the foredeck from the main saloon.

“The launch of our first Silent 62 3-Deck is a proud moment as we continue to innovate and expand the Silent range,” says Chief Executive Officer Fabrizio Iarrera. “It is also proof positive that the brand continues to operate normally and is focused on delivering boats to clients.”

The first Silent 62 3-Deck has an additional open deck instead of the flybridge, offering a fantastic outdoor community space equipped with full dining facilities, panoramic views and a superyacht atmosphere.

With 5+1 guest cabins and 6 bathrooms the yacht can sleep up to 12 guests in quiet comfort.

Quiet, clean & efficient

The Silent 62 3-Deck shares the same new ultra-efficient drivetrain as the two flybridge Silent 62 catamarans launched at the end of last year. This next-generation drivetrain implements the latest liquid cooled batteries, with higher energy density, greater capacity and faster charging rates, thanks to optimised thermal management.

Equipped with a solar array Solar array of 16.8 kWp, twin 180 kW E-motors and a 286 kWh Lithium-ion battery pack, plus a range extender of 145kW Peak, the Silent 62 3-Deck has a cruising speed of 6-8 knots and trans-ocean range.

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Experience Silent Cruising on the Sunreef 80 Eco OTOCTONE

• August 1, 2024

Sunreef Yachts presented an exceptional electric sail yacht Sunreef 80 Eco OTOCTONE. Commissioned by a loyal customer who previously built two Sunreef motor yachts, it redefines luxury cruising with its silent and fume-free operation.

The Sunreef 80 Eco OTOCTONE is powered by two 180 kW engines and a set of 550 kWh batteries, showcasing Sunreef Yachts’ cutting-edge solar power system. The solar panels are seamlessly integrated into the yacht’s composite structures, providing exceptional solar energy for an extended cruising range. Additionally, the yacht features a hydrogeneration system that produces clean energy while sailing, ensuring a sustainable and environmentally friendly journey.

Designed to accommodate eight guests in four opulent cabins, the Sunreef 80 Eco OTOCTONE boasts a custom-tailored layout that emphasizes luxury and comfort. The interiors are contemporary and refined, featuring designer furniture and light natural fabrics. The main saloon’s panoramic windows allow an abundance of natural light, enhancing the spacious feel and providing stunning views.

The starboard side of the main saloon offers a relaxing lounge area with a large sofa, while the portside houses a spacious dining table that can seat up to ten guests. The saloon opens onto both the aft cockpit and the bow terrace, creating a seamless indoor-outdoor living experience. The staterooms continue the chic and contemporary design, featuring a slightly darker color scheme and offering ample storage and beautifully appointed bathrooms.

The full-beam aft cockpit is a highlight of the Sunreef 80 Eco OTOCTONE, offering an exceptional dining space with ocean views, a daybed, a drinks bar, and a hydraulic platform for sunbathing and watersports. The bow terrace is another stunning retreat, featuring oversized sofas and split trampolines for lounging and socializing while enjoying breathtaking views.

The flybridge is arguably the yacht’s best alfresco dining spot, equipped with a large modular table, numerous seating options, and a bar with a barbecue. This space is perfect for enjoying meals while taking in panoramic sea views.

The Sunreef 80 Eco OTOCTONE offers an extraordinary way to explore Corsica and Sardinia this summer. Based in Porto-Vecchio, guests can experience the beauty of these regions in utter silence, with impressive comfort and a special connection to the sea.

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Silent 100 Explorer first look: Electric powercat pioneer to build €19m superyacht

• Electric boats
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Solar powered catamaran builder, Silent Yachts, has started work on its largest yacht to date – a solar-electric superyacht called the Silent 100 Explorer.

Designed by Marco Casali, this vast, plumb-bowed, all-composite model has an LOA of 101ft 8in (31m), a beam of 34ft 4in (10.46m) and a matching air draught of 34ft 4in (10.46m).

In all it provides 1,130ft² (105m²) of outdoor space and a volume close to 440GT, much the same living space as a 45-50m monohull superyach t.

The first Silent 100 Explorer will sport around 40kWp of photovoltaic panelling that will feed an 800kWh lithium-ion battery bank.

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With twin 340kW brushless electric motors providing the thrust, a short-burst top speed of between 14-16 knots is predicted but it’s this electric boat ‘s ability to maintain a six-knot cruise almost indefinitely in full sunshine that will really appeal to owners.

Key features include a full-beam 550ft² (51m²) main-deck owner’s suite , complete with owner’s office and a private balcony.

There will also be three further ensuite guest cabins spread across the main deck plus another two and a gym positioned in the starboard hull.

A central spiral staircase connects the main lounge area aft with a sky-lounge above. A full-beam bridge is located on the upper deck with doors either side leading to the elevated bow and aft decks with their own lounging areas.

The crew complement will be seven to eight across four cabins. There’s a bridge-deck double and adjacent yacht office for the captain and three double-bunk crew cabins in the port hull, as well as the main galley, the crew mess and a crew tender garage .

There is also room for a 7.5m (24ft 6in) limo-tender in a main garage positioned between the hulls. Two of those solar roof sections will also open to reveal a sundeck that doubles as a touch-and-go helipad. Plus there’s a similarly covered smaller flybridge area up front.

The first Silent 100 Explorer is already under construction in Italy and should splash in late 2023. The ball-park price-tag is a cool €19 million, excluding taxes.

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Building a future

Of sustainable innovative solar yachting.

Sunreef Yachts is the world’s leading designer and manufacturer of luxury sailing and power multihulls.

Each catamaran, motor yacht, and superyacht built is a bespoke creation. Every yacht is a vision brought to life, thoughtfully designed to deliver luxury, style and comfort.

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to eco cruising, they offer cutting-edge electric propulsion , naturally-sourced sustainable materials, smart energy management and new technologies including a patent-pending solar skin produced in-house.

Green Propulsion for Eco Catamarans

Renewable energy on yachts, energy efficiency on yachts, sustainable finishing materials.

Equipped with the world’s first and only composite-integrated solar panel system and using the industry’s lightest batteries, the Sunreef Yachts Eco catamarans provide the best of autonomy and energy efficiency for environmentally-conscious luxury cruising.

The Sunreef Yachts Eco harvest power from the sun more efficiently than most solar catamarans. First in the world In-house pattented designed and manufactured by the shipyard, Sunreef Yachts’ solar panels are fully-integrated with the composite bodywork, vastly increasing the amount of solar power generated.

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Fernando alonso.

brand ambassador since: September 2021

Two-time Formula 1® World Champion Fernando Alonso commissioned a custom 60 Sunreef Power Eco catamaran with Sunreef Yachts.

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An unstoppable and passionate adventurer, Mike Horn has accomplished a series of groundbreaking expeditions including a legendary solo journey around the equator without motorized transport

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Silent Yachts

Creators of the world’s first series produced, solar-powered electric yachts.

Unlimited Range

Noiseless cruising, zero emission, minimal maintenance, pioneering solar powered yachting since 2009.

The Original Solar Yacht

As the original inventors of series produced solar-electric yachts, we pioneered this innovative approach. Our first model, the Silent 64, was launched to the market in 2016, several years before any other shipyard considered the possibility of going electric.

Leading Technology

Our founders began to research alternative energy sources to power yachts during the mid 1990s. Today, the technology of our in-house developed solar-electric drivetrain has been perfected and is multiple generations ahead in terms of reliability, performance and efficiency.

Historical Track-Record

In 2009, the Solarwave 46 was launched as our first prototype of a fully solar-electric, self-sufficient ocean-going catamaran. Since then, our electric yachts have cruised many 10.000s of nautical miles, performing flawlessly during a variety of weather conditions.

Enabling Self-Sufficiency

What differentiates a Silent is the unprecedented level of autonomy provided by our yachts. Being able to produce your own energy enables a fully self-sufficient lifestyle on board. Travel the oceans sustainably while making them your infinite playground.

The award-winning entry to solar-electric yachts.

Timeless design meets state-of-the-art technology.

120 Explorer

The boldest expression of solar powered yachting yet.

What Makes Us Unique

The tranquility on board of our yachts is unique. A lack of noise, fumes and vibrations create a deep connection with the sea. Luxury and sustainability finally merged into a holistic experience, working hand in hand with nature by minimizing the impact on the marine environment without compromising comfort.

For optimal performance and efficiency, our solar-electric drivetrain integrates seamlessly with all onboard systems. Compared to fossil fuelled powertrains of motoryachts, electric powertrains have very few moving parts, resulting in minimal maintenance, maximum reliability and significantly lower running costs.

The ability to recharge your own batteries with the sun marks a new era of freedom. Depending on cruising speeds and weather conditions, a Silent has virtually unlimited range, enabling you to live a fully self-sufficient lifestyle on board. Unbound by the limitations of fossil fuels, you are free to explore the horizons.

The technology powering our yachts today has been pioneered by our founders almost three decades ago. Continuous upgrading and steady optimization of the entire system are some of the key reasons our in-house developed solar-electric drivetrain offers a comprehensive portfolio of assurances and warranties.

Why Silent Yachts

A sensible approach to yachting which works in self-sufficient harmony with nature and creates a completely new experience on board.

Tech Corner

Why a Solar Powered Yacht?

Let’s break down the advantages of harnessing the sun’s energy for yacht propulsion: solar power offers remarkable efficiency, significant environmental benefits, and an unmatched synergy with the yachting experience. Join us as we dive into the future of sustainable yachting and discover how solar-powered yachts are revolutionizing the seas.

Living on a Silent 62 Solar Electric yacht

Silent Yachts’ range is designed to harness the power of the sun, providing green energy and silent cruising. But what can owners truly expect? How much power does the Silent 62 use while cruising? In this article, we evaluate a typical day onboard the Silent 62, based on actual data from our yachts.

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“The Tesla of the seas! An amazing founding couple, a highly innovative product as well as a really cool story behind it. Furthermore, a lot of love and attention has been invested into every single detail – truly impressive!” Frank Thelen / TV Personality, Founder, Angel Investor & Disruption Expert

While the present has brought us the dawn of smart cars, I strongly believe the future will bring us solar powered smart boats – and I definitely want to be at the frontline of that journey. Michael Jost / Former Head of Group Strategy of Volkswagen Group

The idea of sailing while charging your own battery is super powerful to me – solar powered sailing is the perfect love story! Jochen Rudat / Former Tesla Central Europa Director, Advisory Board Silent Group

Elon Musk single handedly forced an entire industry to go electric, as a matter of fact if they don’t all go electric now they will soon die. I would like to see the same thing happening for boating. You are not just selling boats – you are the actual leading edge of a crucial and much overdue revolution to sustainable transport!” Klaus Obermeyer / Emmy Award Winner

I am completely excited about solar catamarans. I knew before they are great but now I truly believe this is the future. After so many boats I’ve seen in over 18 years with Boote Exclusiv, this yacht truly blew my mind. Such a silent and peaceful cruising experience – just the way it should be. Martin Hager / Editor in Chief for Boote Exclusiv - Yachts

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POWER YACHTS

With its sporty demeanor and cutting-edge technology, the Sunreef Yachts electric power catamaran is a testament to elegance, comfort, and speed. These are low-maintenance, ultra-silent, and energy efficient power yachts equipped with advanced electric engines for improved autonomy.

Feel the adrenaline pumping as you navigate the waves with utmost power and precision on bespoke power yachts. Sunreef Yachts guarantees ease of operation, safety, and entertainment for the ultimate maritime experience.

60 SUNREEF POWER

Length overall

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The 60 Sunreef Power is a versatile and modern electric power catamaran offering extreme comfort, seaworthiness, and complete freedom for customization.

70 SUNREEF POWER

The 70 Sunreef Power Eco continues the legacy of Sunreef Yachts’ seaworthy and fully customizable electric catamarans.

80 SUNREEF POWER

The new 80 Sunreef Power is a universal multihull yacht for long cruises in ultimate comfort. Taking luxury and seaworthiness to a new dimension, this dynamic and elegant craft enters the Sunreef Yachts range, redefining the authentic electric catamaran design.

100 SUNREEF POWER

The 100 Sunreef Power is a bespoke superyacht designed for all-year navigation in supreme luxury. With an imposing presence, this ultramodern catamaran combines unrivalled living space with reliable performance and outstanding autonomy.

SUNREEF SUPREME POWER

A range of luxurious and seaworthy cruisers – the  Sunreef Supreme Power Eco capture the attention of ocean-going voyagers with superior capabilities of zero emission, noiseless, and vibration free cruising.

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Hybrid Yachts

Driven by an increasing number of eco-conscious yacht owners, yacht designers, and shipyards that envision a more carbon-neutral future, hybrid yachts are entering the forefront of yachting.

Powered by hybrid propulsion utilizing both diesel and electric power, they combine the best of two worlds. Hybrid yachts not only reduce emissions, but improve range, performance, and comfort on board.

Capable of operating in a range of cruising modes, hybrid yachts combine the benefits of diesel engines and electric motors. Hybrid boats can be configured to achieve different goals to suit an owner’s taste, such as better fuel efficiency or more power and cruising range.

In electric mode, a hybrid propulsion system allows for smooth and silent running, completely emission-free at low speeds, as well as excellent maneuverability. This can be ideal for overnight travel or while looking for a peaceful day anchored at sea or moored at a marina.

On the other hand, in diesel mode a traditional propulsion system can deliver more power allowing a hybrid yacht to travel further distances and arrive at its destination sooner. While underway, the heat engines generate power to recharge the batteries. At anchor, diesel engines can also be used for ultra-efficient and fast battery charging.

Using the two methods of propulsion in harmony in a hybrid yacht, an owner can swiftly power out to a remote secluded location for the day and then switch to electric catamaran mode for a serene and relaxing evening. Or extend the range to allow the owner and guests to reach an even more remote location without the need to refuel.

Custom tailored to an owner’s specifications, Sunreef Yachts’ hybrid catamarans offer a practical solution for both the eco-conscious and adventure seeking owners that plan for ocean crossings or want to travel to some of the most remote places on Earth.

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Paris hilton defends not putting life jacket on 1-year-old son phoenix while out at sea: ‘it’s a big boat’.

Paris Hilton hit back at mom-shamers who criticized her for allowing her 1-year-old son, Phoenix, to walk around on a boat without wearing a life jacket.

The “This Is Paris” star, 43, posted a sweet TikTok video Wednesday of her and husband Carter Reum ‘s little boy waddling around aboard a luxury Sunreef catamaran during the family’s summer vacation.

“Watching Phoenix explore the world has been so special to me! I am so grateful to be a #SlivingMom,” Hilton captioned the clip, which she set to Ed Sheeran’s 2014 hit “Photograph.”

While several fans flooded the comments section with supportive messages for the mom of two, who also shares 9-month-old daughter London with Reum, concerned netizens offered up some unsolicited advice.

“Momma, please have him wear a life jacket always on a boat!! Stuff happens. That’s why they’re called accidents. With love,” a social media user commented on the post.

“we are all here for the life vest advice right? Beautiful boat, beautiful life, still safer with the jacket,” a second person wrote.

“Please from one mom to another.. life jacket!” a third commented, with another adding, “My anxiety not seeing him in a life jacket! Can never be too safe on the water!”

Hilton replied to the trolls by explaining that the luxury vessel was very big and her son was nowhere near any danger.

“Hey Mamma’s [sic], thank you for the advice & always caring about my #CutesieCrew,” she wrote in the comments section of her post. “It’s a big boat & my husband and I are following him around everywhere & watching like hawks. My babies are my world.”

Several fans backed up Hilton’s assertion that her son was safe due to the size of the fancy catamaran.

“Guys this boat is way bigger than it seems in this video. A life jacket would be silly, and worst case scenario, they taught him to swim,” a social media user wrote.

“You do you xx pheonix is having a ball xx and 100% safe,” another supporter cheered.

“You are an amazing mama!! Your #cutsiecrew is lucky to have you in their corner,” one person gushed.

Sunreef Yachts is known for its opulent ships and grand boats that feature stylish designs and modern finishes for the wealthy.

While it is unclear which model Hilton and her family used, the company’s website describes its catamarans as being “constructed for enjoying yearlong transoceanic adventures in the deep blue sea.”

The site boasts that each electric vessel is “ultra-silent, vibration-free and fumeless” as well as “easily maneuverable [and] energy efficient … with immense living spaces for dining and lounging.”

The “Cooking with Paris” host and Reum, who tied the knot in November 2021, welcomed Phoenix and London via surrogate on Jan. 16, 2023, and Nov. 11, 2023 , respectively.

This isn’t the first time Hilton has sparked safety concerns for her kids. She was slammed for the way she positioned her kids’s car seats this past May, prompting her to admit that “no one is perfect.”

That same month, the “Stars Are Blind” singer was called out for allowing her son to swim in the water while wearing his life jacket backward and subsequently thanked her followers for informing her of her mistake .

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