Grid stability requires that you need to balance production and consumption at all times. Most production can not be turned on or off very quickly. So at times

Grid stability requires that you need to balance production and consumption at all times. Most production can not be turned on or off very quickly. So at times when you overproduce having a large consumer that you can modulate very fast is a nice component. You could use batteries, but those could fill. Traditional industrial demand is also not easily turned up or down. Bitcoin mining will take your power, and can be switched on and of relatively fast.