The vessels combine light-weight, low-resistance hull forms, specifically designed, tested and optimised for electric-power propulsion, with state-of-the-art lithium ion batteries, Austal said.
Austal Chief Executive Officer Paddy Gregg said the new VOLTA series of high speed ferries represent the future of commercial maritime transport, offering operators a cost-effective electric-powered vessel; capable of zero emissions.
“For any high speed vessel and even more so for electric-powered ferries, optimising vessel weight and performance is essential – driving not just operating costs, but the size and upfront purchase cost of the batteries and the charging system.
“With Austal’s unique VOLTA series of custom designed and built vessels, customers may achieve a lower total cost of ownership without compromising on performance or capability,” Gregg said.
The first of class, 46 metre ‘Passenger Express 46V’ has the capacity for up to 450 passengers, a maximum speed of 25 knots and fast charging capability, with a range of over 175 nautical miles per day.
Austal plans to expand the VOLTA series through the development of additional models for both commercial and defence applications, including autonomous vessels; and continue research and development into emerging propulsion technology.
Principal Particulars: Austal Passenger Express 46V
Length overall: 46 meters
Beam: 12,3 meters
Draft < 2 meters
Propulsion
2 x Full electric, permanent magnet motors
2 x FPP, or CPP propellers (Waterjet or Azimuth also available)
Batteries
Full redundancy with 2 Lithium battery banks (one in each hull)
Minimum battery life of 7 years
Payload and capacities
Passengers – 400 to 450
Bicycles – 10
Crew – 3
Performance
Operating speed – 20kts
Maximum speed – 25+kts
Maximum range per day >175 nm per day with 20% reserve
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