20210511Avista Reply Comments.pdf

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Avista Corp.
1411 East Mission P.O.Box3727
Spokane. Washington 99220-0500
Telephone [phone]
Toll Free 800-727-9170
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May I1,2021
Jan Noriyuki, Secretary
Idaho Public Utilities Commission
11331 W. ChindenBlvd. Bldg.8, Ste.20l-A
Boise,Idaho 83714
RE:Case No. GNR-E-21-01 Application to update inputs to the "Surrogate Avoided Resource"
method avoided cost rates.
Dear Ms. Noriyuki:
Avista Corporation dba Avista Utilities (Avista or the Company) provides the following reply
comments pursuant to Order No. 35020 in Case No. GNR-E-21-01regarding Commission Staffs
application to update inputs to the "Surrogate Avoided Resource" method avoided cost rates.
Avista appreciates Commission Staffs thorough review and agrees with Staffs proposal to update
the natural gas forecast in the SAR Method model using the "reference case" natural gas price
forecast. The Company also supports Staffs recommendation to update Avista's wind integration
charges in the SAR Method model to reflect Avista's current wind penetation, as approved in
Order No. 30500.
Please direct any questions regarding this filing to John Lyons at 509-495-8515.
Sincerely,
lolslarr* &aclild
Shawn Bonfield
Sr. Manager of Regulatory Policy & Strategy
Avista Utilities
509-495-2782
shawn. bonfi eld@avistacorp. com