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Advancing Sustainable Boating: Sunreef’s Innovative Approach


Sunreef, a leading shipyard in the realm of luxury catamarans, is spearheading the movement towards eco-friendly boating through innovative technologies such as hybrid or electric propulsion, integrated photovoltaic panels, and sustainable design principles.

Established over 20 years ago in Gdansk, Poland, Sunreef initially focused on large, high-end catamarans, gradually expanding into the superyacht market.

Their commitment to innovation has made them pioneers in areas such as hydrofoil, energy conservation, and now, hydrogen propulsion.

The launch of their latest model, the Sunreef 80 Power Eco, exemplifies this dedication to sustainability. This motor catamaran boasts electric propulsion and photovoltaic panels seamlessly integrated into its hull, offering both environmental benefits and striking visual appeal. Looking ahead, Sunreef is poised to tackle even greater challenges.

Their Ultima series will introduce sport motor catamarans with hybrid propulsion, ranging from 14 to 27 m, manufactured at their new facility in Ras Al Khaimah, UAE. However, their most ambitious project yet is the Zero Cat—a sailing catamaran powered by hydrogen-electric motors, utilizing onboard hydrogen generation from methanol.

By harnessing solar power for electrolysis, this system ensures zero-emission energy production for propulsion and onboard amenities. Methanol serves as a practical solution, circumventing issues with hydrogen storage and supply. Sunreef’s dedication to sustainable innovation positions them as a vanguard in the maritime industry, with the Zero Cat poised to revolutionize eco-friendly yachting by the end of the year.

The interview: Innovating Sustainability: Sunreef Yachts’ Vision and Expansion

In a conversation with Nicolas Lapp, CTO and Co-Founder of Sunreef Yachts, we delve into the latest advancements at the shipyard.

What are the technical features of Sunreef’s solar power technology?

Sunreef Yachts has developed an in-house production of solar panels with peak performance cells boasting 24% efficiency. These lightweight panels are exceptionally flexible, can be affixed to any surface on the yacht, and are designed for extreme shock resistance.

How does the solar technology perform in terms of energy output?

A Sunreef 80 Power can be equipped with nearly 200 sq.m of panels, delivering 40 kW peak per hour. This optimized setup can replace the energy output of two generators, enabling the yacht to operate solely on renewable energy, especially at reduced cruising speeds.

What makes Sunreef’s solar panels unique in terms of weight and durability?

The panels are remarkably lightweight, with a thickness below 1 mm and weighing approximately 1.8 kg per sq.m. Tests have confirmed their high resistance to shock and abrasion, making them suitable for any surface, including hull sides.

Why did Sunreef decide to build the hydrogen-powered Zero Cat?

The decision stemmed from the owner’s request for a yacht with hydrogen propulsion. Sunreef replaced the genset diesel with a hydrogen fuel cell, aligning with their commitment to sustainable innovation.

What prompted Sunreef’s decision to expand its facilities?

With increasing demand, Sunreef catamaran expanded its industrial capacity by collaborating with RAK Maritime City to develop a new facility in Ras Al Khaimah. This state-of-the-art site aims to meet rising demands from the Middle East, Asia, and Australia.

What are the main features of Sunreef’s new facility in Ras Al Khaimah?

The new facility offers a comprehensive approach to yacht manufacturing, with modern workshops equipped with state-of-the-art machinery and robotics. Sustainability is a key focus throughout the project.

How was the workforce for the new facility selected and trained?

Sunreef engaged Polish experts to conduct training sessions for the initial staff and shipped components manufactured in the UAE to strengthen production in the Gdansk shipyard. Currently, the Ras Al Khaimah shipyard is recruiting nearly 100 individuals, including experienced engineers from diverse global regions.

Sól: Redefining Luxury Boating with Solar Power
Sunreef Yachts introduces Sól, an electric catamaran measuring 23.8 meters in length and 12 meters in width, equipped with approximately 200 sq.m of integrated photovoltaic panels and a substantial 990 kWh battery bank.

Luxury Meets Sustainability

With the Sunreef 80 Power Eco, Sunreef Yachts offers a solution that navigates the intricate balance between luxury, performance, and energy conservation in contemporary boating. Sól embodies this ethos, boasting a striking presence and advanced eco-friendly features.

Wow Factor in Design

Unveiled at prestigious boat shows like Cannes 2023 and Fort Lauderdale, Sól stands out with its innovative design. The yacht’s 200 sq.m of photovoltaic panels seamlessly blend into its exterior, covering the hulls, bimini roof, windows, and flybridge structure. These panels, with a peak power of 36 kWh, significantly contribute to onboard power generation.

Advanced Photovoltaic Panels and Battery Bank

Sunreef has transformed photovoltaic panels into strategic components of Sól’s energy system while enhancing the yacht’s aesthetics. Developed in-house, the panels integrate with a pair of 360 kW e-motors and a record-breaking 990 kWh battery bank. This cutting-edge battery technology, with a density of less than 5.2 kg per kWh, enables Sól to sail electrically for approximately 300 miles, with a generator extending its range further.

Versatile Charging System and Hybrid Propulsion

Sól’s charging system is adaptable to various port voltages worldwide, ensuring flexibility and convenience. Additionally, Sunreef plans to introduce a hybrid version of the 80 Sunreef Power Eco, expanding the yacht’s versatility.

Spacious and Luxurious Interiors

Guests aboard Sól enjoy ample space, with approximately 356 sq.m available, including four cabins with ensuite facilities and accommodations for four crew members. The yacht features a spacious salon connecting to both the cockpit and forward lounge, along with outdoor areas including a flybridge with a command post, sunbathing area, bar, and dining space.

Sól redefines luxury boating by seamlessly integrating sustainable technology with unparalleled comfort and style, setting a new standard for eco-conscious maritime travel.


SAIM: Mini Controller

The Mini Controller designed by the Swedish Zipwake and distributed in Italy