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Integrated Resource Planning (IRP)

Planning Our Resource Future

Planning is integral to everything we do at Avista, and it is especially important in determining how to meet the future energy needs of our customers. Central to this effort is a process called the Integrated Resource Plan, or IRP. You can think of the IRP as a roadmap for how we will meet the energy needs of our customers 20 years into the future using a diverse energy mix.

Having a diverse energy mix is the foundation of Avista's ability to provide our customers with clean, reliable power at fair, reasonable rates. Our diversified energy portfolio ensures we have a stable supply of power around the clock, every day of the year, today and into the future.

Click on the links below to learn more about our diverse energy mix, what goes into determining how future energy needs will be met and other related topics:

Integrated Resource Plans

As a regulated electric and natural gas utility, Avista files IRPs every two years with the public utility commissions in Washington, Idaho and Oregon where we serve customers. The most recent Electric IRP was filed in Washington and Idaho on August 31, 2015. The most recent Natural Gas IRP was filed in Washington, Idaho and Oregon on August 31, 2016.

To view the current and previous IRPs, click on a link below:

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