NorthWestern officials have said the $1 billion, 430-mile power line, which is still a half decade away from completion, at the earliest, is intended to ship power from new, renewable-energy projects, including wind farms.
This is just the latest setback for NorthWestern, which federal regulators have already slowed on concerns over how the company structured the deal and after a utility, PPL Montana, complained the project aims to gain a monopoly influence over transmission in the state.