NorthWestern Energy Files Notice for Natural Gas Rate Increases
- On May 30, 2025, NorthWestern Energy submitted a notice to the Montana Public Service Commission requesting an adjustment to the charges for both primary and secondary natural gas users.
- The request follows a July 2024 rate change filing and aims to address supply and distribution cost factors amid the PSC's delay in acting within nine months.
- The proposed residential gas supply rate would rise from $0.2706599 to $0.3105127 per therm, affecting roughly 400,000 customers with an average bill increase of about $17 monthly starting July 1, 2025.
- The filing reports a $1,618,113 under-collection on the deferred UGCA balance for the year ending June 30, 2024, and a $754,520 GTAC over-collection to be refunded over 12 months ending June 30, 2026.
- The rate increase, tied partly to a $300 million gas plant near Laurel, is controversial for lacking prior regulator approval and could lead to refunds if hearings require rate reductions.
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Montana Public Service Commission to hear NorthWestern Energy rate increase request
HELENA The Montana Public Service Commission (PSC) will convene on June 9, 2025, to hold an evidentiary hearing regarding NorthWestern Energys request for an increase in electric and natural gas rates for customers in the state. The hearing will take place at the PSC offices in Helena.This upcoming hearing is significant, attracting considerable public interest and participation from a range of intervening parties, including the Montana Consumer…
NorthWestern Energy files notice for natural gas rate increases
Montana officials are reviewing a request from NorthWestern Energy for an interim rate adjustment designed to modify natural gas rates for core and non-core customers. The application, filed with the Montana Public Service Commission (PSC), seeks to address various cost factors associated with the utility's natural gas supply and distribution.NorthWestern filed a notice to the PSC on Friday, May 30, 2025. The notice follows news reported earlier…

Without utility board approval, NorthWestern Energy implements 17% electricity rate increase
Without giving consumers a heads up, NorthWestern Energy on Friday said it will increase electricity rates for consumers by $204 a year, without review from Montana’s utility regulator.Documents filed with Montana’s Public Service Commission indicate that rates increased $17.07 a month for NorthWestern’s typical residential customers without prior approval from regulators or notifying its customers.NorthWestern, which provides electricity and na…
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