There's not necessarily a difference because they overlap on the venn diagram. The returns to the shareholders go up the more you build out, the benefits and performance face diminishing returns. Different utilities around the country get different scores for reliability and infrastructure integrity, because a dollar spent by one utility on one grid doesn't necessarily have the same impact as a dollar spent by another.
There's not necessarily a difference because they overlap on the venn diagram. The returns to the shareholders go up the more you build out, the benefits and performance face diminishing returns. Different utilities around the country get different scores for reliability and infrastructure integrity, because a dollar spent by one utility on one grid doesn't necessarily have the same impact as a dollar spent by another.