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small brandlBig Sky Master Plan
Big Sky is one of the fastest growing areas of Montana. Commercial and residential growth in Big Sky is under way and the demand for electricity to serve businesses, residents and visitors is increasing significantly.

NorthWestern Energy is working to keep abreast of the growth and anticipate future needs in this scenic portion of Montana. The Big Sky Community: NorthWestern currently serves about 4,200 electric customers in the Big Sky area. Customers include single residential and multi-unit housing, light commercial, the Big Sky and Moonlight Basin ski resorts, and several large, private residential and ski areas, including the Yellowstone Club and Spanish Peaks developments.

Based on current growth patterns and plans announced by a number of these entities, NorthWestern expects to see higher-than-average load growth in this area in the next decade. The Big Sky area is currently served by two 69 kV transmission lines, one stretching from the Jackrabbit substation west of Bozeman to the Meadow Village area, the other reaching Big Sky from Ennis. During times of heavy demand for electricity, typically in the winter months, an outage on either transmission line can leave the other unable to fully provide the electricity that Big Sky needs. In some conditions, extended outages, blackouts, safety issues and customer inconvenience could be the result.

Big Sky Growth Fact Sheet
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