A) "across an entire province" is only 5 locations B) The currently largest active grid scale battery is 3.2GWh, in California. There are projects in planning or under construction to reach up to 40GWh. Again, this is solved tech that you can buy and build today. If you're going to drop a few billion on datacenters, there's not really anything stopping you from dropping a few billion more on solar/wind and batteries. Microsoft is dropping massive money on a Nuclear fusion plant in Washington state that's already under construction.