20250228AVU to Staff 5 Attachment A - 2024 Q4 Rate Order Summary.pdf

Summary of Rate Orders
Avista Corporation
Q4 2024
Purpose: This report summarizes the findings and rulings of the various state Utility
Commissions as they apply to Avista Corporation. These rate orders are available from
the different state Utility Commission websites that Avista provides service, including:
• Idaho—www.puc.idaho.gov
• Oregon—www.oregon.gov/puc
• Washington—www.utc.wa.gov
• Alaska—www.rca.alaska.gov
• Montana—www.psc.mt.gov
IDAHO
Case No. AVU-E-24-08
Order No. 36335 (9/27/2024)
On July 31, 2024, Avista Corporation ("Company") applied for(1) approval of Fixed
Cost Adjustment ("FCA") deferrals for July 1, 2023, through June 30, 2024; (2)
authorization to adjust its FCA rates for electric service from October 1, 2024, through
September 30, 2025; and (3) approval of its proposed corresponding modifications to
Tariff Schedule 75. The Company requested that the proposed FCA rates have an
October 1, 2024, effective date and that the Commission process the request via Modified
Procedure.
On August 21, 2024, the Commission issued a Notice of Application and Notice of
Modified Procedure, setting public comment and Company reply deadlines. Order No.
36299. Staff filed the only comments.
Having reviewed the record, the Commission now issues this Order approving the
Company's Application.
Case Details - IPUC
Case No. AVU-E-24-07
Order No. 36339 (10/1/2024)
On July 31, 2024, Avista Corporation, doing business as Avista Utilities ("Company"),
filed its annual Power Cost Adjustment("PCA") application ("Application"). The PCA is
a mechanism used to track changes in revenues and costs associated with variations in
hydroelectric generation, secondary prices, thermal fuel costs, and changes in power
contract revenues and expenses. The present PCA surcharge is a rate of 0.4990 per
kilowatt-hour,based on an overall surcharge of approximately $15.7 million, which was
approved by the Commission in Order No. 35937, dated September 28, 2023, and is
effective October 1, 2023, through September 30, 2024.
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The Company requested that the Commission issue an order approving the level of power
costs deferred in the rebate direction for the period of July 1, 2023, through June 30,
2024, and approving a PCA rebate rate of 0.205¢ per kilowatt-hour to be effective
October 1, 2024. Application at 1.
The Company represented that the proposed PCA rate adjustment of 0.205¢ per kilowatt-
hour would rebate approximately $6.6 million to customers effective October 1, 2024. Id.
at 3. The Company stated that the rebate is primarily associated with power supply costs
that were lower than those included in retail rates, due to lower wholesale electric and
natural gas prices, and that the net effect of the expiring surcharge, and the proposed
rebate, is an overall decrease in revenue of approximately 7.4 percent, or $22.8 million.
Id.
Case Details - IPUC
Case No. AVU-E-24-07
Order No. 36376 (10/30/2024)
On July 31, 2024, Avista Corporation, doing business as Avista Utilities ("Company"),
filed its annual Power Cost Adjustment("PCA") application ("Application"). The
Company requested that the Commission issue an order approving the level of power
costs deferred in the rebate direction for the period of July 1, 2023, through June 30,
2024, and approving a PCA rebate rate of 0.205¢ per kilowatt-hour to be effective
October 1, 2024. Application at 1.
On October 1, 2024, the Commission issued Order No. 36339 approving the Application,
with modifications, and ordering the Company to submit a compliance filing with tariffs
conforming with the order. Order No. 36339 at 5. On that same day, the Company
submitted a compliance filing with updated tariffs.
Case Details - IPUC
Case No. AVU-E-24-01
Order No. 36378 (10/30/2024)
On July 31, 2024, Avista Corporation ("Company") applied for authorization to adjust
the Fixed Cost Adjustment ("FCA") rates for natural gas service from November 1, 2024,
through October 31, 2025, ("Application"). The Company stated the current FCA rates as
well as the proposed changes as illustrated below:
Current Rate (Per Proposed Rate Proposed Rate
Therm) (Per Therm) Change
Residential Group Rebate of 1.219¢ Surcharge of 1.506¢ 2.3% increase
(Schedule 101)
Non-Residential Rebate of 0.632¢ Surcharge of 1.006 ¢ 1.7% increase
Group
(Schedules I I I and
112)
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The Company requested a November 1, 2024, effective date and that the Idaho Public
Utilities Commission ("Commission")process the request under Modified Procedure.
The Commission issued a Notice of Application and set comment deadlines for public
comments and the Company's reply. Order No. 36301. Staff filed the only comments.
Having reviewed the record in this case the Commission issues this Order authorizing
FCA rates included in the Company's Application.
Case Details - IPUC
Case No. AVU-E-24-02
Order No. 36379 (10/31/2024)
On July 31, 2024, Avista Corporation d/b/a/Avista Utilities ("Company") applied for
authority to change its rates for purchased gas costs and amortize its gas-related deferral
balances. The Company requested processing of this matter via Modified Procedure with
a November 1, 2024, effective date.
On August 21, 2024, the Commission issued a Notice of Application and Notice of
Modified Procedure setting a comment deadline for interested persons and a reply
comment deadline for the Company. See Order No. 36298. The Commission Staff
("Staff') filed the only comments.
We now issue this Order approving the Company's Application and corresponding
proposed tariffs, as filed.
Case Details - IPUC
Case No. AVU-E-24-01
Order No. 36416 (12/9/2024)
On August 16, 2024, Staff of the Idaho Public Utilities Commission("Staff') applied for
an order(1)updating Surrogate Avoided Resource Model ("SAR Model") inputs; (2)
making administrative changes to the SAR Model; and(3) approving SAR-based avoided
cost rates included with the Application. Staff requested this matter be processed via
Modified Procedure.
On September 6, 2024, the Commission issued a Notice of Application,Notice of
Intervention Deadline, and Notice of Modified Procedure—establishing a deadline for
interested parties to intervene and setting deadlines for interested persons to comment and
Staff to reply. Order No. 36314. No parties petitioned to intervene. Avista Corporation
dba Avista Utilities, PacifiCorp dba Rocky Mountain Power, and Idaho Power Company
(collectively the "Companies") all indicated they agreed with Staff s proposals. Staff did
not reply.
Having reviewed the record, the Commission now issues this Order approving the Staffs
Application.
Case Details - IPUC
Case No. AVU-E-24-10
Order No. 36347 (10/10/2024)
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On September 13, 2024, Avista Corporation("Company") filed a compliance filing
("Filing") requesting that the Idaho Public Utilities Commission("Commission") issue an
order accepting its updated load forecast, natural gas price forecast, and contract
information components used as inputs to calculate its incremental cost Integrated
Resource Plan("IRP") avoided cost rates with an effective date of January 1, 2025. The
Company requests processing of this matter via Modified Procedure.
With this Order the Commission issues notice of the Company's Filing and establishes
public comment and Company reply deadlines.
Case Details - IPUC
Case No. AVU-E-24-10
Order No. 36433 (12/27/2024)
On September 13, 2024, Avista Corporation("Company") filed a compliance filing
("Filing") requesting that the Idaho Public Utilities Commission("Commission") issue an
order accepting its updated load forecast, natural gas price forecast, and contract
information components used as inputs to calculate its incremental cost Integrated
Resource Plan ("IRP") avoided cost rates with an effective date of January 1, 2025. The
Company requested processing of this matter via Modified Procedure.
On October 10, 2024, the Commission issued a Notice of Filing and Notice of Modified
Procedure, setting public comment and Company reply deadlines. Order No. 36347.
Commission Staff("Staff') filed comments to which the Company replied with a short
statement expressing support for Staff s recommendations.
Having reviewed the record in this case, the Commission approves the Company's annual
update.
Case Details - IPUC
Case No. AVU-E-24-11/G-24-04
Order No. 36403 (11/25/2024)
On September 20, 2024, Avista Corporation("Company") applied to extend its electric
and natural gas Fixed Cost Adjustment Mechanisms ("FCA Mechanisms") through
August 31, 2029. According to the Application, the FCA Mechanisms are set to expire on
March 31, 2025. Consequently, the Company seeks an extension to the Company's
electric and natural gas FCA Mechanism Tariff Schedules 75 and 175, effective April 1,
2025.
On October 10, 2024, the Commission issued a Notice of Application and Notice of
Intervention Deadline, setting a deadline for interested persons to intervene. Order No.
36351. No parties intervened.
At the Commission's November 19, 2024, Decision Meeting, Staff presented a Decision
Memorandum recommending the Commission issue a Notice of Modified Procedure,
setting a December 17, 2024, public comment deadline and a Company reply deadline of
January 7, 2025.
The Commission now issues this Notice of Modified Procedure establishing deadlines for
interested parties to comment on the Application and for the Company to reply.
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Case Details - IPUC
OREGON
Case No. UM 2318
Order No. 24-352 (10/16/2024)
Staff recommends the Commission approve Avista Utilities' (Avista, AVA, or Company)
request for the authorization of deferred accounting for costs associated with Energy
Efficiency Services for Natural Gas Transport Customers, for the 12-month period
beginning on March 11, 2024.
State of Oregon: Public Utility Commission of Oregon
Case No. UG 496
Order No. 24-367 (10/31/2024)
Staff recommends approval of Avista Utilities (Avista, AVA, or Company)proposed
Schedule 475 tariff, as described in the filing of Advice No. 24-03-G, effective for
service
rendered on and after November 1, 2024.
State of Oregon: Public Utility Commission of Oregon
Case No. UG 497
Order No. 24-368 (10/31/2024)
Staff recommends the Commission approve Avista Corporation's, dba Avista Utilities
(Avista, AVA, or Company), Advice No. 24-04-G, requesting amortization of Intervenor
Funding for inclusion in rates for service rendered on and after November 1, 2024.
State of Oregon: Public Utility Commission of Oregon
Case No. UG 498
Order No. 24-369 (10/31/2024)
Staff recommends the Public Utility Commission of Oregon (Commission) approve
Avista Corporation's, dba Avista Utilities (Avista, AVA or Company),
Advice No. 24-05-G, requesting amortization of the Commission Regulatory Fee for
inclusion in rates for service rendered on and after November 1, 2024.
State of Oregon: Public Utility Commission of Oregon
Case No. UG 499
Order No. 24-370 (10/31/2024)
Staff recommends that the Oregon Public Utility Commission(the Commission) approve
Avista Corporation dba Avista Utilities' (Avista or the Company)request to modify
Schedule 493, Residential Low-Income Rate Assistance Program(LIRAP)- Oregon,
with rates effective for service on or after November 1, 2024.
State of Oregon: Public Utility Commission of Oregon
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Case No. UG 500
Order No. 24-371 (10/31/2024)
Approve Avista Corporation dba Avista Utilities (Avista, AVA, or Company)request to
revise its Schedule 467 tariff sheet, with rates effective for service rendered on or after
November 1, 2024.
State of Oregon: Public Utility Commission of Oregon
Case No. UM 1356(17)
Order No. 24-372 (10/31/2024)
Staff recommends that the Commission approve Avista Corporation's, dba Avista
Utilities
(Avista, AVA, or Company) application for reauthorization to defer costs associated with
intervenor funding grants for the 12-month period beginning November 1, 2024.
State of Oregon: Public Utility Commission of Oregon
Case No. UM 1497(14)
Order No. 24-373 (10/31/2024)
Staff recommends the Public Utility Commission of Oregon (Commission) approve
Avista Corporation dba Avista Utilities' (Avista, AVA, or Company) application for
reauthorization to defer purchased gas cost differences associated with the PGA
mechanism for the 12-month period beginning November 1, 2024.
State of Oregon: Public Utility Commission of Oregon
Case No. UG 495
Order No. 24-395 (10/31/2024)
Staff recommends approval of Avista Corporation dba Avista Utilities' (Avista, AVA, or
Company)Advice No. 24-02-G, which updates the Company's 2024 annual Purchase
Gas Adjustment(PGA)tariff sheets, for service rendered on and after
November 1, 2024.
State of Oregon: Public Utility Commission of Oregon
Case No. UG 519
Order No. 24-403 (11/1/2024)
IT IS ORDERED that Advice No. 24-09-G filed by Avista Corporation, dba Avista
Utilities, is suspended for a period of time of up to nine months from December 1, 2024,
the effective date of the tariff sheets.
State of Oregon: Public Utility Commission of Oregon
Case No. UM 2211
Order No. 24-426 (11/27/2024)
Approve Oregon Public Utility Commission(OPUC or Commission) Staff s
recommendations regarding:
• Interim customer protections against the risks of arrearages and
disconnection as outlined in Attachment 1, and
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• Utility data sharing requirements by directing Portland General Electric,
Northwest Natural Gas Company, Pacific Power, Avista Utilities, and Cascade
Natural Gas to include respective bill discount program schedule identifiers with
Energy Trust of Oregon beginning no later than January 2025.
State of Oregon: Public Utility Commission of Oregon
Case No. UM 779
Order No. 24-429 (11/27/2024)
Staff makes the following recommendations:
1. Approve a late payment rate of 2.4 percent monthly on overdue customer
accounts.
2. Approve an annual interest rate of 4.5 percent on customer deposits for calendar
year 2025.
3. Direct the affected utilities to refile their respective tariffs to reflect the new rates.
State of Oregon: Public Utility Commission of Oregon
Case No. UM 1753(9)
Order No. 24-435 (12/10/2024)
Staff recommends the Public Utility Commission of Oregon (Commission) approve
Avista Corporation dba Avista Utilities' (Avista or Company) application for
reauthorization to defer revenue differences associated with the decoupling mechanism
for the 12-month period beginning January 1, 2025.
State of Oregon: Public Utility Commission of Oregon
Case No. UM 2211
Order No. 24-444 (12/10/2024)
Staff recommends that the Oregon Public Utility Commission(Commission) approve
Staff s request to open a formal rulemaking on energy burden metric reporting and issue
a notice of proposed rulemaking to adopt permanent rules.
State of Oregon: Public Utility Commission of Oregon
Case No. AR 667
Order No. 24-446 (12/19/2024)
We adopt Staff s recommendation to direct the utilities to provide a report reflecting the
impacts of these temporary customer protections, which may include the data specified in
the
Staff Report. Our intent in modifying Staff s recommendation is to provide Staff with
space
to work with the utilities on adjustments to the data needed and available to evaluate the
cost
impact of these temporary rules.
We do not adopt the recommendation set forth in the fourth paragraph of Staffs proposed
motions but emphasize that we recognize the value of closing data gaps between
expiration
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of COVID reporting and initiation of energy burden metrics reporting. Our intention is
for
docket AR 668 to address these backward-looking data requirements.
State of Oregon: Public Utility Commission of Oregon
Case No. LC 81
Order No. 24-459 (12/27/2024)
1. The Oregon Citizens' Utility Board's request meets the requirements of the Fifth
Amended and Restated Intervenor Funding Agreement, and its request is
approved.
2. Avista Corporation dba Avista Utilities pay $29,000 from the Avista Utilities
Issue Fund to the Oregon Citizens' Utility Board within 30 days after receipt of
this order, and the grant be assessed to Avista Corporation dba Avista Utilities'
residential customers.
State of Oregon: Public Utility Commission of Oregon
Case No. UM 2318
Order No. 24-352 (10/16/2024)
Staff recommends the Commission approve Avista Utilities' (Avista, AVA, or Company)
request for the authorization of deferred accounting for costs associated with Energy
Efficiency Services for Natural Gas Transport Customers, for the 12-month period
beginning on March 11, 2024.
State of Oregon: Public Utility Commission of Oregon
WASHINGTON
Docket No. D-240736
Order No. 01 (10/29/2024)
On September 25, 2024, the Safety Committee heard case 24-077 filed by M&L
Construction Inc. (M&L or Complainant) against Avista Corporation (Avista) and
determined Avista violated RCW 19.122.030(3)(a) by failing to provide the excavator
with reasonably accurate information by marking the location of its facilities. The Safety
Committee recommended that the Commission impose a$5,000 penalty.
UTC Case Docket Detail Page I UTC
Docket No. D-240006/07
Order No. 08 (12/23/2024)
Synopsis: The Commission rejects the tariff sheets filed by Avista Corporation, d/b/a
Avista Utilities (Avista or the Company) on January 18, 2024, including the Company's
proposed multi-year rate plan. The Commission, considering the full record, authorizes
and requires Avista to file tariff sheets reflecting a two-year multi-year rate plan that will
result in an increase in revenue of$11.882 million, or 2.01 percent in rate year I and
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approximately $44.4 million, or 7.51 percent in rate year 2 after adjusting for offsetting
factors related to Colstrip, for its electric operations and an increase in revenue of
approximately $14.2 million, or 11.15 percent in rate year 1 and approximately$4.0
million, or 2.81 percent in rate year 2, for its natural gas operations, in accordance with
the decisions below
The Commission adjusts the Company's return on equity to 9.80 percent and does not
authorize a flotation cost adjustment. The Commission accepts Avista's cost of debt of
4.99 percent. The Commission accepts the Company's proposed capital structure and
authorizes and sets rates with a capital structure of 48.5 percent equity, 51.5 percent debt.
This results in a rate of return for Avista of 7.32 percent.
UTC Case Docket Detail Page I UTC
Docket No. D-240891
Order No. 01 (12/20/2024)
On October 31, 2024, Avista Corporation d/b/a Avista Utilities (Avista or Company)
filed with the Washington Utilities and Transportation Commission(Commission)
proposed revisions to its rates under electric Tariff WN U-28, Schedule 99—Colstrip
Tracker. The revised tariff sheets bear an effective date of January 1, 2025. In its filing,
Avista seeks to revise Schedule 99 rates to reflect forecasted costs for Colstrip Units 3
and 4 for calendar year 2025. Notably, Avista's proposed rates reflect full recovery (over
one year) of all plant investments expected to be placed in service in calendar years 2024
and 2025.
The revisions to Schedule 99 rates would increase Avista's annual revenues by$18
million, or 2.7 percent. A typical residential customer using 945 kWhs per month would
see an increase of$4.47 per month, or 4.1 percent.
UTC Case Docket Detail Page I UTC
Docket Nos. UE-240006 & UE-240007
Order No. 08 (12/20/2024)
Synopsis: The Commission rejects the tariff sheets filed by Avista Corporation, d/b/a Avista
Utilities (Avista or the Company) on January 18, 2024, including the Company's proposed
multi-year rate plan. The Commission, considering the full record, authorizes and requires
Avista to file tariff sheets reflecting a two-year multi-year rate plan that will result in an
increase in revenue of approximately $783,000, or 0.13 percent in rate year 1 and
approximately$44.4 million, or 7.51 percent in rate year 2 after adjusting for offsetting
factors related to Colstrip, for its electric operations and an increase in revenue of
approximately$14.2 million, or 11.15 percent in rate year 1 and approximately$4.0 million,
or 2.81 percent in rate year 2, for its natural gas operations, in accordance with the decisions
below.
The Commission adjusts the Company's return on equity to 9.80 percent and does not
authorize a flotation cost adjustment. The Commission accepts Avista's cost of debt of 4.99
9

percent. The Commission accepts the Company's proposed capital structure and authorizes
and sets rates with a capital structure of 48.5 percent equity, 51.5 percent debt. This results in
a rate of return for Avista of 7.32 percent.
The Commission authorizes an increase or adjustment to the energy recovery mechanism
baseline consistent with this Order to account for the increases in Washington's allocated
share of power costs and transmission costs. While the Commission allows the power cost
baseline to be reset in this proceeding,the Commission will continue to consider carefully
any future adjustments to the baseline and will change it only under extraordinary
circumstances.
UTC Case Docket Detail Page I UTC
ALASKA
No Orders to report.
MONTANA
No Orders to report.
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