Travelling by transport lorry, the ice-white turbine at the heart of Atlantis Resources’ record-setting AK-1000 tidal-energy device is on its way to be assembled in northern Scotland — its last stop before commercial-scale deployment this summer in the wild waters off the Orkney Islands.

The Australian company’s flagship 130-tonne, horizontal-axis turbine, which is on track to be ready for deployment by August, will be the world’s largest, featuring twin 18-metre-diameter­ ­rotors rated to produce just over 1MW in tidal flow of 2.6