Butte, Mont. - Jan. 13, 2014 - NorthWestern Energy is planning a power outage in the Portage and Floweree areas north of Great Falls on Thursday, Jan. 16, 2014.

The outage will begin at 9 a.m. and should be over by 11 a.m. Thursday. About 630 customers will be affected by the brief outage.

NorthWestern crews will be doing maintenance and upgrade work at the Portage Substation and need the outage to complete the work quickly and safely. NorthWestern Energy is in the midst of a significant proactive upgrade of its electric infrastructure across Montana. The upgrade involves substations, power poles, underground electric lines, natural gas systems, tree trimming and other initiatives.

NorthWestern apologizes for any inconvenience this planned outage may cause. Those with questions or concerns should contact our Customer Contact Center at (888) 467-2669.

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About NorthWestern Energy (NYSE: NWE)
NorthWestern Energy provides electricity and natural gas in the Upper Midwest and Northwest, serving approximately 673,200 customers in Montana, South Dakota and Nebraska.www.northwesternenergy.com.

Media Contact:
Butch Larcombe
(866) 622-8081
butch.larcombe@northwestern.com

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