20251002Final_Order_No_36776.pdf

Office of the Secretary
Service Date
October 2,2025
BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION
IN THE MATTER OF AVISTA ) CASE NOS. AVU-E-25-01
CORPORATION'S APPLICATION FOR THE ) AVU-G-25-01
AUTHORITY TO INCREASE ITS RATES )
AND CHARGES FOR ELECTRIC AND ) ORDER NO. 36776
NATURAL GAS SERVICE TO ELECTRIC )
AND NATURAL GAS CUSTOMERS IN THE )
STATE OF IDAHO )
On January 31,2025,Avista Corporation("Company")applied to the Idaho Public Utilities
Commission ("Commission") requesting authorization to increase its rates for both Electric and
Natural Gas service ("Application"). The Company requests a Two-Year Rate Plan with a Rate
Year 1 effective date of September 1,2025, and a Rate Year 2 effective date of September 1,2026.
On August 29, 2025, the Commission issued Order No. 36741 approving the Proposed
Settlement as filed. Order No. 36741 ordered the Company to submit copies of its proposed tariffs,
with an effective date of September 1, 2025, as a compliance filing within 14 days of the service
date of the Order.
On August 29, 2025, the Company submitted updated tariffs in this case.
COMMISSION FINDINGS AND DECISION
The Commission has jurisdiction over the Application and the issues in this case under
Title 61 of the Idaho Code including Idaho Code §§ 61-301 through 303. The Commission is
empowered to investigate rates, charges, rules, regulations, practices, and contracts of all public
utilities and to determine whether they are just, reasonable, preferential, discriminatory, or in
violation of any provisions of law, and to fix the same by order. Idaho Code §§ 61-501 through
503.
Having reviewed the record and all submitted filings, the Commission finds that the
Company's updated tariffs submitted through a compliance filing on August 29, 2025, conform
with the provisions of Order No. 36741.
ORDER
IT IS HEREBY ORDERED that the Company's updated tariffs submitted through a
compliance filing on August 29, 2025, are approved.
ORDER NO. 36776 1

THIS IS A FINAL ORDER. Any person interested in this Order may petition for
reconsideration within twenty-one (21) days of the service date upon this Order regarding any
matter decided in this Order. Within seven (7) days after any person has petitioned for
reconsideration, any other person may cross-petition for reconsideration. Idaho Code § 61-626.
DONE by Order of the Idaho Public Utilities Commission at Boise, Idaho this 2nd day of
October 2025.
G
Grp
DWARD LODGE, OM SIONER
?R. HAMMOND JR., COMMISSIONER
DAYN HARDIE, eOMMISSIONER
ATTEST:
9UJe--4 -A--
La Calderon Robles
Interim Commission Secretary
I:\Legal\ELECTRIC\AVU-E-25-01_02501_GRC\orders\comp final_at.docx
ORDER NO. 36776 2