Australia has some of the worlds largest aluminium smelters. Unfortunately they are on the south east side of the country and the places that have the negative price events are in the north and south west.
The long term solution is to connect the grids together so the places with an excess of supply are connected to the places with an excess of demand.
The long term solution is to connect the grids together so the places with an excess of supply are connected to the places with an excess of demand.