GREEN BOATING BLOG
The Candela P-12 Voyager: silent, flying, and fully electric
Every now and then a boat comes along that makes you stop scrolling. The Candela P-12 Voyager is one of those boats. It carries up to 30 passengers, lifts itself out of the water on computer-controlled hydrofoils, and runs on nothing but batteries.
A ferry that flies
The P-12 is built around a simple idea: most of the energy a fast boat spends is wasted fighting its own wake. Lift the hull clear of the water on slender foils and that drag almost vanishes. Candela's electronics adjust the foils a hundred times a second, so the ride stays glass-smooth even in choppy conditions.
The result is a passenger ferry that:
- cruises at around 25 knots on electric power alone,
- uses roughly 80% less energy per passenger-kilometre than a comparable diesel ferry,
- makes virtually no wake, so it can run at full speed through sensitive shorelines,
- is quiet enough inside that passengers can hold a normal conversation.
Why it matters for the rest of us
The P-12 is a commercial vessel, not a weekend cruiser. But the technology underneath — efficient electric drivetrains, smart foil control, lightweight composite hulls — is exactly what will trickle down to recreational boating over the next few years. Foiling is no longer an exotic racing trick; it is becoming a serious tool for cutting emissions on the water.
For coastal cities, the implications are bigger still. A fleet of silent, wake-free electric foilers can move people across harbours and archipelagos without the noise, fumes and shore erosion of traditional ferries. Stockholm is already running the P-12 in regular service, and other cities are watching closely.
A glimpse of the near future
We talk a lot on this blog about small, practical steps: switching to HVO, adding solar panels, sailing more and motoring less. The Candela P-12 is something different — a reminder that genuinely new naval architecture is finally arriving, and that "electric" no longer has to mean "slow" or "short range".
If a 12-metre ferry can fly across the Baltic on batteries, the future of green boating is in better shape than many of us thought.
