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NorthWestern Energy bills to increase again
The utility says higher fuel costs and weak power-market sales pushed the average residential bill to $131, with a PSC review pending.
Starting July 1, NorthWestern Energy residential electricity bills will average $131, up from $124.34 in May, following the utility's June 3 filing with the Montana Public Service Commission for a quarterly rate adjustment.
Warmer winter temperatures in the West reduced wholesale electricity prices, yet NorthWestern's net variable costs exceeded projections by $97.8 million over the past 10 months as market sales revenue totaled only $17.7 million versus an expected $180.1 million.
The Montana Public Service Commission suspended a cost-sharing tool earlier this year that would have given customers a $9.8 million credit, meaning customers may now be billed for the entire $97.8 million undercollection.
MEIC representative Fitzmaurice argued NorthWestern presented artificially low base costs to "hide how much of an increase it was actually leveling on customers," claiming the new Laurel plant is "way too expensive."
NorthWestern Energy spokesperson Jo Dee Black defended rates as "below the national average electric rate" and noted the Yellowstone County Generation Station improves system reliability, ahead of a PSC annual review later this year.