Sure, but you need the same road to get there regardless of how many hours a week it gets used.

It's a trade off. More transmission lines means less overbuilding and less storage. Really it's an optimization problem that will be solved on a case by case basis given geography and so on.

For infrastructure it’s the opposite. You have to buy a food truck big enough to feed everyone on the worst day of the year. And at that point you may as well use it every day because you already paid for it.