Interislander Ferry 2025 Battery. Kiwirail operates the interislander ferry service between the north and south islands of new zealand. 20% discount offer is available on all new bookings made between wednesday 27 november 2024 (midnight) and sunday 1 december 2024 (11.59 pm), for passenger travel on interislander.
Any surplus energy produced by the generators during sailing can also be battery stored. More than 800,000 people take the interislander ferry route between new zealand’s north and south island every year.