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Learn more about who owns the Colstrip power generating station.


Learn more about Colstrip power generation here.

Current research on the global energy market and how it affects Colstrip power generation.

Learn more here.

Planning for the Future 

As a utility regulated by the Washington Utilities and Transportation Commission, Puget Sound Energy regularly prepares exhaustive research and resource analysis to ensure it can provide safe, reliable energy service to its customers which include more than 1.4 million homes and businesses. These reports are public documents available to all. Learn more here.

Puget Sound Energy has been a productive and vital partner in Montana's energy economy for more than 40 years. 


Learn more about the Puget Sound Energy contributions to the Colstrip community and to Montana here.

Learn more about where power generated in Colstrip is utilized.

Check out an overview here.

Integrated Resource Plan

The Integrated Resource Plan (IRP) is a forecast of conservation resources and supply-side resource additions that appear to be cost effective to meet the growing needs of our customers over the next 20 years, given what we know today about the future. We know these forecasts will change as the future unfolds and conditions change. Read the most recent IRP here.

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