20221011Compliance Filing.pdf

jittsra
Avista Corp.
l4l I East Mission P.O. Box3727
Spokane. Washington 99220-0500
Telephone [phone]
Toll Free 800-727-9170
Via Electronic Mail
October 11,2022
Commission Secretary
Idaho Public Utilities Commission
472W. Washington St.
Boise,lD 83702
RE Avista's Annual Power Cost Adiusfrnent (PCA)
CaseNo. AVU-E-22-Il
Compliance Filing-Enerry Imbalance Market (EIM) Benefit Methodology
Commission Order No.- Case No. AVU-E-z2-ll
Enclosed for electronic filing with the Commission is the Company's Confidential EIM Benefit
Methodology Report, which explains the Company's methodology for measuring EIM benefits,
and how that method differs from CAISO's method, as required per Commission Order No.
35543.
The enclosed report is CONFIDENTIAL, rendering this document exempt from public
inspection, examination and copymg pursuant to Sections 74-l0l through 74-126 of the Idaho
Code. Avista believes that the identified CONFIDENTIAL document contains taluable
Company and third-party information.
If you have any questions regarding this filing, please contact Kaylene Schultz at (509) 495-
2482.
Sincerely,
/s/ Patrick Ehrbar
Patrick D. Ehrbar
Director of Regulatory Affairs
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Enclosures