> It is the process of providing shoreside electrical power to a ship at berth while its main and auxiliary engines are turned off.
> Cold ironing permits emergency equipment, refrigeration, cooling, heating, lighting and other equipment to receive continuous electrical power while the ship loads or unloads its cargo.
> The process is called cold ironing because, in the olden days when the ship’s mainframe engines used to be rested, they used to get cold while the power was being transferred in this manner