Montana Electric Bill Rates
We’re committed to keeping you informed about your energy rates and helping you understand what’s changing.
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Building a bright future for Montana.
We’re dedicated to strengthening Montana’s future. Learn how we’re powering the communities we call home.
Putting reliable, affordable energy first.
Merger with Black Hills Energy
Creating a stronger, more resilient energy company to meet the needs of our communities, now and in the future.
Colstrip Power Plant
We have reliable, on-demand energy generation available 24/7 right here in Montana to help us protect our Montana customers from market price spikes and supply shortages.
Yellowstone County Generating Station
This facility helps balance our resource portfolio, so we can deliver reliable energy in all weather conditions.
Large New Load Tariff Rule
We’re ensuring data centers pay their own way — protecting existing customers from cost shifts while supporting Montana’s economic growth.
Delivering energy when it’s needed most.
Delivering energy when it’s needed most.
During the July 2026 heat wave, demand on the NorthWestern Energy-managed Montana electric grid reached a record summer peak of 2,045 megawatts. Despite the increased electricity demand, we continued to deliver reliable energy to customers across Montana.
And you can count on this energy year-round, no matter what the weather brings.
Supporting the communities we live in and serve.
Supporting the communities we live in and serve.
For many of us at NorthWestern Energy, Montana is where we were born, where we’ve laid roots and where we raise our families. We will always take care of it.
Explore all the ways our team is giving its time and resources back to the communities we call home.
Explore all the ways our team is giving its time and resources back to the communities we call home.
Our 2025 giving
$2.1 million
in charitable donations and sponsorships, economic development opportunities, scholarships and professional association dues across our territory
414
unique communities served within our service territory
$163,671
awarded to nonprofits through the Employee Volunteer Program