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Electric Integrated Resource Plan

Looking 20 years ahead

An important part of the IRP process is public involvement. Two key opportunities for public involvement are through the Technical Advisory Committee, or TAC, and the public comment period.

The TAC is a committee of stakeholders who meet to review specific issues and aspects of the IRP. During this approximately 18-month IRP process, the TAC will meet six times, with each meeting being an intensive, full-day session. The TAC is a diverse group of representatives, including customers large and small, environmental organizations, business groups, elected officials and experts from both the Washington Utilities and Transportation Commission (WUTC) and the Idaho Public Utilities Commission (IPUC).

When the IRP has been drafted, the WUTC and the IPUC will each hold open comment periods when the public is invited to review the plan and provide comments to the respective agencies.

The IRP planning process aligns with our goal of providing customers with the most reliable and affordable energy possible. This planning process is ongoing and it informs the periodic decisions we must make to deploy new energy resources, including conservation efforts.

Learn more about the IRP and planning our energy 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:

2017 IRP

Avista's TAC meetings for the 2017 Electric IRP began on June 2, 2016. If you are interested in joining the TAC and participating in the development of the 2017 IRP, please email John Lyons or contact him at (509) 495-8515. You can also contact him with questions about previous IRPs.


2017 IRP TAC 1 - Thursday, June 2, 2016

Spokane, Washington at Avista Headquarters, Conference Room 130 from 8:30 am to 3 pm

TAC 1 Presentations (PDF)


2017 IRP TAC 2 - Wednesday, September 28, 2016

TAC 2 Presentations (PDF)


2017 IRP TAC 3 - Tuesday, November 8, 2016

TAC 3 Presentations (PDF)


2017 IRP TAC 4 - Wednesday, February 15, 2017

TAC 4 Presentations (PDF)


2017 IRP TAC 5 - Tuesday, March 28, 2017

TAC 5 Presentations (PDF)


2017 IRP TAC 6 - Tuesday, June 20, 2017



2015 Integrated Resource Plan - Filed on August 31, 2015

Other IRP Documents

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