Northwestern Corp. v. Dep’t of Pub. Serv. Regulation
Annotate this CaseThis matter involved a challenge to the final order of the Montana Public Service Commission disallowing $1,419,427 in claimed excess electric regulation costs and adjusted energy efficiency savings calculations. NorthWestern Corporation - doing business as NorthWestern Energy, the Natural Resources Defense Council, and Human Resources Council, District XI appealed the Commission’s decision. The district court affirmed the Commission’s final order. The Supreme Court affirmed, holding (1) the Commission used the correct legal standard in reviewing NorthWestern’s claim for excess outage costs; and (2) the “free ridership” and “spillover” calculations adopted by the Commission were supported by substantial evidence.
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