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Integrated Resource Plan (IRP) Filings

An Integrated Resource Plan (IRP) is a recurring planning process undertaken by a public utility to identify the preferred mix of supply and demand side resources that will meet projected customer demand, provide service reliability and resource diversity at the least possible cost.

Commission Rule Chapter 3, Section 33 pertains to Integrated Resource Planning. It states: "Each utility serving in Wyoming that files an IRP in another jurisdiction shall file that IRP with the Commission. The Commission may require any utility to file an IRP."

Electric Integrated Resource Plan (IRP) Guidelines

Natural Gas Integrated Resource Plan (IRP) Guidelines

Rocky Mountain Power's 2017 IRP - Call for Comments