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AVISTA CORP

For the period ended Dec 31, 2024. Filed Feb 26, 2025.

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About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2024 · Filed Feb 26, 2025

AVA$40.23-1.7%Stored close · as of Nov 6, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Acronyms and Terms

(The following acronyms and terms are found in multiple locations within the document)

Acronym/TermMeaning
aMW-Average Megawatt - a measure of the average rate at which a particular generating source produces energy over a period of time
AEL&P-Alaska Electric Light and Power Company, the primary operating subsidiary of AERC, which provides electric services in Juneau, Alaska
AERC-Alaska Energy and Resources Company, the Company's wholly-owned subsidiary based in Juneau, Alaska
AFUDC-Allowance for Funds Used During Construction; represents the cost of both the debt and equity funds used to finance utility plant additions during the construction period
ASC-Accounting Standards Codification
Avista Capital-Parent company to the Company’s non-utility businesses, with the exception of AJT Mining Properties, Inc., which is a subsidiary of AERC.
Avista Corp.-Avista Corporation, the Company
Avista Utilities-Operating division of Avista Corp. (not a subsidiary) comprising the regulated utility operations in Washington, Idaho, Oregon and Montana
BPA-Bonneville Power Administration
Capacity-The rate at which a particular generating source is capable of producing energy, measured in KW or MW
Cabinet Gorge-The Cabinet Gorge Hydroelectric Generating Project, located on the Clark Fork River in Idaho
CCA-Climate Commitment Act, Washington
CCRs-Coal Combustion Residuals, also termed coal combustion byproducts or coal ash
CEIP-Clean Energy Implementation Plan, Washington
CETA-Clean Energy Transformation Act, Washington
CPP-Climate Protection Program, Oregon
Colstrip-The coal-fired Colstrip Generating Plant in southeastern Montana
Cooling degree days-The measure of the warmness of weather experienced, based on the extent to which the average of high and low temperatures for a day exceeds 65 degrees Fahrenheit (annual degree days above historic indicate warmer than average temperatures)
Coyote Springs 2-The natural gas-fired combined-cycle Coyote Springs 2 Generating Plant located near Boardman, Oregon
COVID-19-Coronavirus disease 2019, a respiratory illness that was declared a pandemic in March 2020
CT-Combustion turbine
Deadband or ERM deadband-The first $4.0 million in annual power supply costs above or below the amount included in base retail rates in Washington under the ERM in the state of Washington
Ecology-The Washington State Department of Ecology
EIM-Energy Imbalance Market
Energy-The amount of electricity produced or consumed over a period of time, measured in KWh or MWh. Also, refers to natural gas consumed and is measured in dekatherms.
EPA-Environmental Protection Agency
ERM-The Energy Recovery Mechanism, a mechanism for accounting and rate recovery of certain power supply costs accepted by the utility commission in the state of Washington

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FCA-Fixed Cost Adjustment, the electric and natural gas decoupling mechanism in Idaho.
FERC-Federal Energy Regulatory Commission
GAAP-Generally Accepted Accounting Principles
GHG-Greenhouse gas
GS-Generating station
Heating degree days-The measure of the coldness of weather experienced, based on the extent to which the average of high and low temperatures for a day falls below 65 degrees Fahrenheit (annual degree days above historic indicate warmer than average temperatures)
IPUC-Idaho Public Utilities Commission
IRP-Integrated Resource Plan
Jackson Prairie-Jackson Prairie Natural Gas Storage Project, an underground natural gas storage field located near Chehalis, Washington
kV-Kilovolt (1000 volts): a measure of capacity on transmission lines
KW, KWh-Kilowatt (1000 watts): a measure of generating output or capability. Kilowatt-hour (1000 watt hours): a measure of energy produced
Lancaster Plant-A natural gas-fired combined cycle combustion turbine plant located in Idaho
MPSC-Public Service Commission of the State of Montana
MW, MWh-Megawatt: 1000 KW. Megawatt-hour: 1000 KWh
NERC-North American Electricity Reliability Corporation
NorthWestern-NorthWestern Corporation
Noxon Rapids-The Noxon Rapids Hydroelectric Generating Project, located on the Clark Fork River in Montana
OPUC-The Public Utility Commission of Oregon
PCA-The Power Cost Adjustment mechanism, a procedure for accounting and rate recovery of certain power supply costs accepted by the utility commission in the state of Idaho
PGA-Purchased Gas Adjustment
PPA-Power Purchase Agreement
PUD-Public Utility District
RCA-The Regulatory Commission of Alaska
REC-Renewable energy credit
ROE-Return on equity
ROR-Rate of return on rate base
ROU-Right-of-use lease asset
SEC-U.S. Securities and Exchange Commission
Talen-Talen Montana, LLC, an indirect subsidiary of Talen Energy Corporation.
Therm-Unit of measurement for natural gas; a therm is equal to approximately one hundred cubic feet (volume) or 100,000 BTUs (energy)
WUTC-Washington Utilities and Transportation Commission

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.