Capital costs have been estimated by the company at US$180M, excluding approximately US$40M for the expansion of Niihama to take the mixed sulphide. Niihama currently processes nickel matte and will therefore requires the investment to modify the refinery. The feed from Rio Tuba would raise the capacity at the refinery from 35kt/a Ni and 340t/a Co to 46kt/a Ni and 1kt/a Co. Wood Mackenzie’s asset reports are built from the bottom up, incorporating a number of granular data metrics to ultimately produce our industry standard cash operating costs. This report contains a detailed asset note giving you a holistic view of the asset, including an operational overview through to a timeline of events from inception to now. This qualitative analysis is supplemented by the associated Excel download which enables interrogation of a whole series of cost and production metrics over the life of the asset.