Absolutely. Thanks, Andrew.
One of the main drivers of costs on the electrical system is peak demand, so you'll need more wires to serve more peak demand, and as we're electrifying, that's placing more demand on the grid. Presumably, the mines and the mining sector, all else being equal, would like to be on during peak periods as well.
Energy storage, whether it's electrical or thermal behind the meter, which is already quite common in Ontario through the industrial conservation initiative program, helps with this by allowing those facilities during peak times to be powered by their energy storage instead of the grid, which reduces peak demand and reduces costs for ratepayers by reducing the need for more wires.