
The Whisper 50 is a 100% electric, solar-powered catamaran designed by Whisper Yachts. At 15.55 m long, this yacht will be unveiled at the 2025 Cannes Yachting Festival and is now available for purchase. It embodies the new era of sustainable luxury boating.
Why choose an electric catamaran?


Zero emissions, zero noise
Powered by twin electric motors (standard 2×100 kW, optional boost to 2×120 kW) and a 240 kWh battery pack, the Whisper 50 ensures silent, emission-free cruising ideal for eco-conscious sailors.
Outstanding solar autonomy
Thanks to about 40 m² of solar panels (7.5 kW), the catamaran offers:
- Unlimited autonomy at 5–6 knots (solar only)
- 5 hours at 8–9 knots
- 8 hours at 9–10 knots with generator
- 1 hour at 15 knots at full speed
These specs show the real potential of clean marine energy.
Generous, modular living areas

- Main salon: 43 m²
- Flybridge: 24 m²
- Owner’s suite: up to 25 m²
- Aft cockpit: 15 m²
- Front cockpit: 8 m²
Sliding side doors and a lifting aft bay create seamless indoor-outdoor living, enhancing the open-sea experience.
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Key specifications
- Length overall: 15.55 m
- Beam: 7.50 m
- Draft: 0.97 m
- Light displacement: 22 t
- Cruising/max speed: 10 / 15 knots
Technology & Power Sources

Battery pack: 3×80 kWh (240 kWh total)
Three charging sources:
- Solar panels (7.5 kW)
- Shore power (13.2 kW)
- Backup generators: 2×20 kW or 2×35 kW (optional)
- -90% maintenance cost compared to diesel: no clutch, gearbox, or exhaust
Key Benefits of the Whisper 50


100% electric propulsion – clean, quiet, and efficient
Solar-powered autonomy – extended range with zero emissions
Luxury comfort – vast living areas, indoor-outdoor flow
Low maintenance – -90% cost vs. combustion engines
Rental-ready – turnkey charter solution available
Don’t miss your chance to discover the Whisper 50 in person at the Cannes Yachting Festival (Sept 12–17, 2025).
The Whisper 50 symbolizes a new era in yachting—discreet luxury, clean technology, and a fully immersive sea experience. It’s more than a boat—it’s a commitment to the planet and the pleasures of the sea.
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