On the regulatory front, Christie said Avista filed a four-year rate plan with the Washington Utilities and Transportation Commission in January. He said the “single largest driver” of the requested rate increase in the first rate year is power supply cost , and he emphasized that establishing an appropriate baseline for power supply costs is central to the plan’s success. Avista expects the initial settlement conference on May 22 and evidentiary hearings on September 17 and 18 .CFO Kevin Christie also addr ...

Financial Data and Key Metrics Changes - The company's consolidated earnings for 2025 were $2.38 per diluted share, an increase from $2.29 in 2024 [3] - Non-GAAP utility earnings for 2025 were $2.55 per diluted share, compared to $2.38 per diluted share in 2024 [4] - For Q4 2025, consolidated earnings were $0.87 per diluted share, up from $0.84 per diluted share in Q4 2024 [4] - Non-GAAP utility earnings for Q4 2025 were $0.88 per diluted share, slightly down from $0.89 per diluted share in Q4 2024 [4] Business Line Data and Key Metrics Changes - Avista Utilities' results were impacted by a one-time adjustment related to Colstrip investments, which decreased earnings per share by $0.07 [6] - Despite headwinds, utility results were within the original guidance range, and excluding specific factors, results would have exceeded the midpoint of the 2025 utilities earnings guidance [6] Market Data and Key Metrics Changes - The company filed a four-year rate plan with the Washington Utilities and Transportation Commission, addressing rising costs related to grid modernization and clean energy compliance [6][10] - A significant deposit was received from a data center developer for a potential load of 125 MW, expected to ramp up to 500 MW by 2030 [8] Company Strategy and Development Direction - The company aims to reduce the frequency of regulatory proceedings and provide greater stability in cost recovery and shareholder returns through the four-year rate plan [6] - Selected projects from the RFP process include upgrades to natural gas turbines, a battery energy storage system, and a power purchase agreement for wind energy [7] - The company is exploring early acquisition of resources to capitalize on tax credit opportunities and enhance flexibility until more load is needed [10] Management's Comments on Operating Environment and Future Outlook - Management acknowledged the combination of growth opportunities and uncertainty in the operating environment [5] - The long-term earnings growth expectation is set at 4%-6% from the midpoint of 2025 consolidated earnings guidance [21] - The company is targeting a competitive payout range of 60%-70% for dividends, with a commitment to shareholder returns [11] Other Important Information - Capital expenditures for Avista Utilities were $553 million in 2025, expected to rise to $585 million in 2026, with a five-year projection of $3.4 billion [15][16] - The board raised the dividend to $1.97 per share, marking 24 consecutive years of dividend increases [11] Q&A Session Summary Question: Financing decisions for 2026 - Management indicated that financing decisions would be sequenced based on capital investment opportunities and would likely follow a periodic offering program unless significant investment opportunities arise [26][28] Question: Integration of new large load customer - Management confirmed that a significant deposit from a potential customer would lead to an MOU, ensuring existing customers are insulated from any negative impacts if the customer does not materialize [30][31] Question: Financing plan for potential $350 million CapEx - Management expects a 50/50 debt and equity structure for the potential additional capital, considering hybrids if necessary [38][40] Question: Monetizing non-regulated investments - Management expressed intent to monetize non-regulated investments if opportunities arise, which could reduce the need for equity issuance [42] Question: Long-term EPS growth correlation with rate base CAGR - Management confirmed that the expected 4%-6% EPS growth correlates with a 5% rate base CAGR, with potential for higher growth if additional investments materialize [43][44]

Financial Data and Key Metrics Changes - The company's consolidated earnings for 2025 were $2.38 per diluted share, an increase from $2.29 in 2024 [3] - Non-GAAP utility earnings for 2025 were $2.55 per diluted share, compared to $2.38 per diluted share in 2024 [4] - For Q4 2025, consolidated earnings were $0.87 per diluted share, up from $0.84 per diluted share in Q4 2024 [4] - Non-GAAP utility earnings for Q4 2025 were $0.88 per diluted share, slightly down from $0.89 per diluted share in Q4 2024 [4] Business Line Data and Key Metrics Changes - Avista Utilities' results were impacted by a one-time adjustment related to Colstrip investments, which decreased earnings per share by $0.07 [6] - Despite headwinds, utility results were within the original guidance range, and excluding specific factors, results would have exceeded the midpoint of the 2025 utilities earnings guidance [6] Market Data and Key Metrics Changes - The company filed a 4-year rate plan with the Washington Utilities and Transportation Commission, addressing rising costs related to grid modernization and clean energy compliance [6][10] - A significant deposit was received from a data center developer intending to locate in Washington, with an initial load expected to be 125 megawatts, ramping up to 500 megawatts by 2030 [8] Company Strategy and Development Direction - The company aims to reduce the frequency of regulatory proceedings and provide greater stability in cost recovery and shareholder returns through the 4-year rate plan [6] - Selected projects from the RFP process include upgrades to natural gas turbines, a 100 megawatt battery energy storage system, and a 200 megawatt wind power purchase agreement [7] - The company is exploring early acquisition of resources to capitalize on tax credit opportunities and enhance flexibility until more load is needed [10] Management's Comments on Operating Environment and Future Outlook - Management acknowledged the combination of growth opportunities and uncertainty in the operating environment, emphasizing a focus on executing strategies [5] - The long-term earnings growth expectation is set at 4%-6% from the midpoint of 2025 consolidated earnings guidance, with a targeted return on equity of approximately 9% [21] Other Important Information - The board of directors raised the dividend to $1.97 per share, marking 24 consecutive years of dividend increases [11] - Capital expenditures for Avista Utilities were $553 million in 2025, expected to rise to $585 million in 2026, with a projected total of $3.4 billion from 2026 to 2030 [15][16] Q&A Session Summary Question: How are you sequencing financing decisions for 2026? - Management indicated that financing decisions would be reassessed based on additional capital investment opportunities, with a steady progress expected towards the $90 million equity issuance [26][28] Question: What is the internal threshold for committing to incremental CapEx for large load customers? - Management stated that a significant deposit from a potential customer would lead to an MOU, ensuring existing customers are insulated from any negative impacts if the large load does not materialize [30][31] Question: Should the potential $350 million CapEx be modeled as 50/50 debt and equity? - Management confirmed that a 50/50 funding approach would be expected for any additional capital beyond the base plan [38][40] Question: Will you consider monetizing non-regulated investments? - Management expressed intent to monetize non-regulated investments if opportunities arise, which could help reduce future equity issuance [42] Question: Is the upside CapEx included in the rate-based CAGR? - Management clarified that the upside CapEx is not included in the current CAGR projections, as it serves as a proxy for potential investment opportunities [56]

Financial Data and Key Metrics Changes - The company's consolidated earnings for 2025 were $2.38 per diluted share, an increase from $2.29 in 2024 [3] - Non-GAAP utility earnings for 2025 were $2.55 per diluted share, compared to $2.38 per diluted share in 2024 [4] - For Q4 2025, consolidated earnings were $0.87 per diluted share, up from $0.84 per diluted share in Q4 2024 [4] - Non-GAAP utility earnings for Q4 2025 were $0.88 per diluted share, slightly down from $0.89 per diluted share in Q4 2024 [4] Business Line Data and Key Metrics Changes - Avista Utilities' results were impacted by a one-time adjustment related to Colstrip investments, which decreased earnings per share by $0.07 [6] - Despite headwinds, utility results landed within the original guidance range, and excluding specific factors, results would have exceeded the midpoint of the 2025 utilities earnings guidance [6] Market Data and Key Metrics Changes - The company filed a 4-year rate plan with the Washington Utilities and Transportation Commission, addressing rising costs related to grid modernization and clean energy compliance [6][10] - A significant deposit was received from a data center developer intending to locate in Washington, with an initial load expected to be 125 megawatts, ramping up to 500 megawatts by 2030 [8] Company Strategy and Development Direction - The company aims to reduce the frequency of regulatory proceedings and provide greater stability in cost recovery and shareholder returns through the 4-year rate plan [6] - Selected projects from the RFP process include upgrades to natural gas turbines, a 100 megawatt battery energy storage system, and a 200 megawatt wind power purchase agreement [7] - The company is exploring early acquisition of resources to capitalize on tax credit opportunities and enhance flexibility until more load is needed [10] Management's Comments on Operating Environment and Future Outlook - Management expressed optimism about the long-term strength of the utility, despite facing unprecedented uncertainty [5] - The company expects earnings to grow 4%-6% from the midpoint of 2025 consolidated earnings guidance, raising the long-term expected return on equity to approximately 9% [20] Other Important Information - The board of directors raised the dividend to $1.97 per share, marking 24 consecutive years of dividend increases with a compound annual growth of over 5% [11] - Capital expenditures for Avista Utilities were $553 million in 2025, expected to rise to $585 million in 2026, with a projected $3.4 billion in capital expenditures from 2026 to 2030 [15][16] Q&A Session Summary Question: Financing decisions for 2026 - Management indicated that financing decisions would be sequenced based on capital investment opportunities and would likely follow a periodic offering program unless significant investment opportunities arise [26][28] Question: Integration of new large load customer - The next step involves moving towards a Memorandum of Understanding (MOU) with the new customer, ensuring existing customers are insulated from potential impacts if the large load does not materialize [29][30] Question: Financing plan for potential $350 million CapEx - Management expects a 50/50 debt and equity structure for the potential $350 million CapEx, considering hybrids if additional capital is needed [38][40] Question: Monetizing non-regulated investments - The company is open to monetizing non-regulated investments if opportunities arise, which could help reduce the need for equity issuance [41] Question: Long-term EPS growth expectations - Management remains confident in achieving a 4%-6% growth rate, despite a lower result in 2025, with a long-term ROE target of 9% [51][53] Question: Rate-based CAGR and CapEx inclusion - The upside CapEx is not included in the current CAGR projections, but it is considered a proxy for potential investment opportunities [54]

Heather Rosentrater President and Chief Executive Officer Q4 2025 Earnings February 25, 2026 Call Participants 2 Kevin Christie Senior VP, Chief Financial Officer, Treasurer, and Regulatory Affairs Officer Forward-Looking Statements This presentation contains forward-looking statements, including statements regarding our current expectations for future financial performance and cash flows, capital expenditures, financing plans, our current plans or objectives for future operations and other factors that may ...

SPOKANE, Wash., Feb. 25, 2026 (GLOBE NEWSWIRE) -- Avista Corp. (NYSE: AVA) today reported net income based on GAAP of $193 million, or $2.38 per diluted share, compared to $180 million, or $2.29 per diluted share, in 2024. Non-GAAP utility earnings1 were $207 million, or $2.55 per diluted share, compared to $187 million, or $2.38 per diluted share in 2024. Our utility results were driven by strong operational execution, constructive regulatory outcomes, customer load growth, and disciplined cost management. ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED December 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission file number 001-03701 AVISTA CORPORATION (Exact name of Registrant as specified in its charter) WA 91-0462470 (State or other jurisdiction of incorpo ...

Financial Performance - Avista Corp. reported a net income of $193 million, or $2.38 per diluted share for 2025, an increase from $180 million, or $2.29 per diluted share in 2024[1]. - Non-GAAP utility earnings for 2025 were $207 million, or $2.55 per diluted share, compared to $187 million, or $2.38 per diluted share in 2024[1]. - The company initiated 2026 non-GAAP utility earnings guidance with a range of $2.52 to $2.72 per diluted share, reflecting a decrease of $0.12 per diluted share due to a large industrial customer's early exit from procuring power[3]. - Electric utility margin increased by $20 million in Q4 2025 and $88 million for the year, driven by general rate cases and customer growth[7]. - Natural gas utility margin rose by $4 million in Q4 2025 and $18 million for the year, primarily due to general rate cases[7]. - The effective tax rate for 2025 was 11%, compared to 2% in the prior year, primarily due to a decrease in tax customer credits[14]. - The company expects non-GAAP utility earnings to grow 4 to 6 percent from the midpoint of its 2025 consolidated earnings guidance over the long term[17]. Capital Expenditures and Liquidity - Avista Utilities' capital expenditures for 2025 were $553 million, with expected base capital expenditures of $585 million in 2026[13]. - As of December 31, 2025, the company had $110 million of available liquidity under its committed line of credit[11]. Customer Base and Service Area - Avista Corp. provides electric service to approximately 429,000 customers and natural gas to 386,000 customers across a service territory of 34,000 square miles[24]. - The population served by Avista Corp. is approximately 1.5 million, indicating a significant customer base for energy services[24]. - Avista's subsidiary AERC provides retail electric service to 18,000 customers in Juneau, Alaska, expanding the company's reach[24]. Risks and Compliance - The company faces various risks, including utility regulatory risk, operational risk, and climate change risk, which could significantly impact operations and financial performance[25][26][29]. - Avista Corp. is subject to financial risks related to obtaining financing, interest rate changes, and volatility in energy commodity markets, which could affect cash flows and operational costs[34][35]. - The company emphasizes the importance of compliance with environmental laws and regulations, which could impact operational costs and service delivery[33][36]. - Avista Corp. is actively monitoring cybersecurity risks that could disrupt operations and lead to financial liabilities[30]. - The company is aware of strategic risks, including competition from alternative energy sources and changes in customer demand due to energy efficiency measures[32]. - Avista Corp. is committed to addressing external mandates related to climate change and environmental regulations, which may affect future operations and capital projects[33]. Future Outlook - The company plans to discuss future financial performance and operational strategies in an upcoming conference call scheduled for February 25, 2026[23].

Core Viewpoint - Avista has filed for an annual rate adjustment with the Idaho Public Utilities Commission, proposing to increase overall electric revenues by approximately $25.2 million or 7.4%, effective May 1, 2026 [1][2]. Group 1: Rate Adjustment Details - The proposed rate adjustment aims to modify the funding level for Avista's electric energy efficiency programs, aligning customer rates with actual operational costs [2]. - The adjustment is necessary to recover costs incurred in 2025 that exceeded the levels included in current rates [2]. Group 2: Customer Impact - If approved, residential electric customers in Idaho using an average of 939 kilowatt hours per month would see their monthly bills increase from $115.54 to $124.44, an increase of $8.90 per month or approximately 7.7% [3]. - The requested electric rate change by rate schedule includes: - Residential Service - Schedule 1: 7.4% - General Service - Schedules 11 & 12: 7.3% - Large General Service - Schedules 21 & 22: 7.1% - Extra Large General Service - Schedule 25: 7.5% - Extra Large General Service - Schedule 25P: 7.9% - Pumping Service - Schedules 31 & 32: 7.2% - Street & Area Lights - Schedules 41-49: 7.1% - Overall: 7.4% [3]. Group 3: Company Overview - Avista Corp. is an energy company involved in the production, transmission, and distribution of energy, serving 422,000 electric customers and 383,000 natural gas customers across a service territory of 30,000 square miles [5][6]. - The company operates in eastern Washington, northern Idaho, and parts of southern and eastern Oregon, with a total population of 1.7 million in its service area [5].

Group 1 - The company plans to issue approximately $120 million in long-term debt and up to $80 million in common stock in 2026 to support business development [2] - Avista Utilities has a total capital expenditure plan of approximately $3.7 billion covering the years 2025 to 2030, with expected capital expenditures of $575 million in 2026 and $605 million in 2027, reflecting an average annual growth rate of about 6% [2] - The long-term earnings growth rate is projected to maintain an annual growth of 4%-6% from the midpoint of the 2025 guidance [2]