Avista Corporation · NYSE:AVA

Avista — Corporate Update (August 2025)

36 slides from Avista's corporate update, Aug 20, 2025

  1. Slide 1: Equity Advisory Group – Equity Lens Session

    Session 1: Wednesday, August 20, 2025, 12:00pm Session 2: Friday, August 22, 2025, 07:30am Equity Advisory Group – Equity Lens Session August 2025 | www.myavista.com/ceta and www.myavista.com/eag

  2. Slide 2: Introductions & Agenda

    Introductions & Agenda Topic Topic Owner Welcome, introductions overview of the meeting: rules and intent Amber Lenhart Connections/Partner Shares Connections/Partners Ana Matthews, Comment & Action Review Customer Engagement Manager Kelly Dengel, 2025 Clean Energy Implementation Plan Clean Energy P

  3. Slide 3: Ground Rules

    Ground Rules ❑ Stay present mentally and physically when possible. ❑ Listen with an open mind and be open to new ideas. ❑ Participate in discussion, share concerns and ideas, and give others space to do so. ❑ Ask questions at any time. Use Zoom’s “raise hand” feature or chat during presentations. ❑

  4. Slide 4: Introductions

    Introductions We’re so glad you’re here! Please share in the chat: ❑ Your name ❑ Organization or community Optional: Consider including your pronouns in your Zoom name 4 Equity Advisory Group

  5. Slide 5: Today's Equity Lens Session Goals

    Today’s Equity Lens Session Goals EAG Equity Lens Session EAG Meeting Goals Meeting Goals: 1.Review topics that emerged from the July EAG and discuss Avista’s actionable steps (consult) 2.EAG advise on Avista’s draft 2025 Clean Energy Implementation Plan (inform and consult) a)Provide input on prese

  6. Slide 6: Spectrum of Public Participation

    Spectrum of Public Participation 6 Equity Advisory Group

  7. Slide 7: Connection Question

    Connection Question Are you an early bird, night owl, permanently exhausted pigeon, or something different? 7 Equity Advisory Group

  8. Slide 8: Partner Shares

    Partner Shares • Upcoming relevant community events or opportunities • Pressing issues facing our community or a need someone might be able to address • Challenges your organization is facing (especially around equity) 8 Equity Advisory Group

  9. Slide 9: EAG Comment & Action Review

    EAG Comment & Action Review Ana Matthews | Customer Engagement Manager 9 Equity Advisory Group

  10. Slide 10: EAG Comments & Actions

    EAG Comments & Actions Area Comment Avista’s Response Could Avista consider including a one-page multilingual ▪ Yes, it will require an assessment and planning insert in their bills, like what health insurance companies do? Would such an insert help raise awareness about available ▪ Possibly, howeve

  11. Slide 11: 2025 Clean Energy Implementation Plan

    2025 Clean Energy Implementation Plan Kelly Dengel | Clean Energy Policy & Implementation Manager 11 Equity Advisory Group

  12. Slide 12: Avista's Regulatory Model

    Avista’s Regulatory Model Washington Investor-Owned Utility Compliance with State Laws & Policies Customers State Commissions Safe, Reliable Determines Compliance & & Affordable Sets Customer Rates 12 Equity Advisory Group

  13. Slide 13: Energy Efficiency is Transformative

    Energy Efficiency is Transformative Clean Energy Transformation Act (CETA) Eliminate coal-fired electricity Use carbon-neutral Use 100% renewable or non- by the end of 2025 electricity by 2030 carbon emitting electricity by 2045 2025 2030 2045 13 Equity Advisory Group

  14. Slide 14: Complying with CETA

    Complying with CETA How it’s achieved Clean Energy Implementation Plan Public Participation How it’s informed Plan Q2 2025 Public Meeting Customer Benefit How it’s measured Indicators Q3 2024 Public Participation Meeting 14 Q3 2024 Equity PublicGroup Advisory Participation Meeting

  15. Slide 15: Terms & Definitions

    Terms & Definitions Megawatt (MW) / Kilowatt (kW) Unit of power equal to 1,000,000 watts / 1,000 watts Renewable Energy Energy created from a renewable or non-carbon emitting sources Renewable Energy Credit Proof the energy is generated from a renewable source Energy Efficiency Using less energy but

  16. Slide 16: 2025 Clean Energy Implementation Plan

    2025 Clean Energy Implementation Plan Named Communities & Public Customer Benefit Indicators Participation Plan Renewable Energy Demand Company Energy Efficiency Response Initiatives 16 Equity Advisory Group

  17. Slide 17: WA Dep. of Health's Environmental Health Disparities Map

    WA Dep. of Health’s Environmental Health Disparities Map Named Communities: Customers disproportionately and negatively impacted by housing, food and income insecurities, environmental effects and other factors 17 Q3 2025 Public Participation Meeting

  18. Slide 18: Named Communities Identification

    Named Communities Identification Highly Impacted Communities Vulnerable Populations ▪ All DOH sensitivities combined score ▪ DOH Socioeconomic & Sensitive populations at 9 or 9 or higher or Tribal census tracts higher & ▪ Equity Advisory Group identified characteristics ▪ Federal – Climate and Econo

  19. Slide 19: 2025 CEIP Vulnerable Populations Characteristics

    2025 CEIP Vulnerable Populations Characteristics WA DOH – Socioeconomic 2021, 2023 & 2024 & Sensitive Factors Equity Advisory Group Identified Characteristics ▪ No high school diploma ▪ American Indian and ▪ Neighboring communities ▪ Religious and spiritual ▪ People of color Alaska Native (on/off an

  20. Slide 20: Customer Benefit Indicator Metrics

    Customer Benefit Indicator Metrics Measure, and hold accountable to, an equitable transition to clean energy for all customers Ensure the equitable distribution of energy and nonenergy benefits and reductions of burdens to Named Communities (Highly Impacted Communities & Vulnerable Populations) 20 E

  21. Slide 21: 2025 CEIP Customer Benefit Indicators

    2025 CEIP Customer Benefit Indicators Energy Energy Environmental Public Affordability Accessibility Security Health Resilience Affects Participation in Outreach & Energy Availability Generation Outdoor Air Employee Diversity Company Programs Communication Location Quality Supplier Diversity Transpo

  22. Slide 22: Proposed Renewable Energy Targets

    Proposed Renewable Energy Targets 100.0% Proposed 2026 – 2029 CEIP* 90.0% 80.0% Approved 2022 – 2025 CEIP Percent of Washington 70.0% Retail Load 60.0% 50.0% 80.0% 76.5% 40.0% 73.0% 69.5% 66.0% 62.5% 30.0% 55.0% 47.5% 40.0% 20.0% 10.0% 0.0% 2022 2023 2024 2025 2026 2027 2028 2029 2030 *Based on prel

  23. Slide 23: Renewable Energy Targets & Specific Actions

    Renewable Energy Targets & Specific Actions Interim Targets Specific Actions ▪ Retire sufficient Renewable Energy Credits 2026 – 66.0% to comply with annual targets 2027 – 69.5% 2028 – 73.0% ▪ Issue 2025 All Source Request For Proposal ▪ 75 – 375 MW of winter qualifying capacity 2029 – 76.5% ▪ 50 –

  24. Slide 24: Estimated Four-Year Rate Impact

    Estimated Four-Year Rate Impact Rates 1.9% higher by 2029* *Excludes financial energy assistance, impact of previous resource decisions 24 Equity Advisory Group

  25. Slide 25: Estimated 2029 Rate Impact of the Plan

    Estimated 2029 Rate Impact of the Plan Average February Bill Increase = $4.38 / month Average Residential Electric Customer may pay $32.79 more per year* Average September Bill Increase = $2.75 / month *Only reflects impact of 2025 Clean Energy Implementation Plan *Excludes financial energy assistan

  26. Slide 26: Energy Efficiency Targets & Specific Actions

    Energy Efficiency Targets & Specific Actions Targets Specific Actions 147,344 MWh savings by 2029 ▪ Continue existing cost-effective measures/program ▪ Pursue newly identified cost-effective measures/programs Energy Efficiency: Using less energy but achieving the same results Megawatt Hour / MWh: Th

  27. Slide 27: Demand Response Targets & Specific Actions

    Demand Response Targets & Specific Actions Targets Specific Actions Cumulative 55 MW savings during ▪ Continue existing 30 MW industrial DR contract a single peak hour by 2029 ▪ Issue 2025 All Source Request For Proposal ▪ Acquire 25 MW DR cost-effective programs Demand Response: Reducing energy usa

  28. Slide 28: Company Initiatives Goals & Actions

    Company Initiatives Goals & Actions Targets Specific Actions Invest up to $5M annually ▪ Named Community Investment Fund in Named Communities $2M $3M Energy Community Efficiency Aspirational Customer Benefit ▪ Supporting actions for each Customer Indicator metirc goal by benefit area Benefit Indicat

  29. Slide 29: Aspirational Customer Benefit Indicator Goals

    Aspirational Customer Benefit Indicator Goals Energy Energy Environmental Public Affordability Accessibility Security Health Resilience Affects Saturation of Provide 5,040 EV Reduce the Decrease the Decrease Increase employee participation in trips annually for frequency of outages percentage of gre

  30. Slide 30: 2025 Clean Energy Implementation Plan

    2025 Clean Energy Implementation Plan Named Communities & Public Customer Benefit Indicators Participation Plan Renewable Energy Demand Company Energy Efficiency Response Initiatives 30 Equity Advisory Group

  31. Slide 31: 2025 Clean Energy Implementation Plan Timeline

    2025 Clean Energy Implementation Plan Timeline Public comment period through August 31, 2025 2025 CEIP: https://www.myavista.com/about-us/washingtons-clean-energy-future/clean- energy-implementation-plan Email: ceta@avista.corp.com Comment Form: www.myavista.com/ceta Compile & address comments throu

  32. Slide 32: Questions and Discussion

    Questions and Discussion Amber Lenhart 32 Equity Advisory Group

  33. Slide 33: Questions and Discussion

    Questions and Discussion ❑ What clarifying questions or curiosities do you have about the presentation? ❑ What disparities, root factors, or inequities (historic and current) are related to this topic? ❑ How could Avista improve engagement strategies related to this topic, if at all? ❑ What new ways

  34. Slide 34: Feedback from Wednesday's EAG

    Feedback from Wednesday's EAG ▪ Explain acronyms and provide definitions for common utility terms ▪ Break down how CEIP-related costs affect customers in a way that’s easy to understand and feels relevant to their everyday experience. 34 Equity Advisory Group

  35. Slide 35: Thank you

    Thank you Sign up for our Stay Engaged quarterly newsletter www.myavista.com/ceta Provide input through our Provide Feedback public comment form Share with your communities 35 Equity Advisory Group

  36. Slide 36: Next EAG Equity Lens Session Meetings

    Next EAG Equity Lens Session Meetings Amber Lenhart amber@sip-nw.org Afternoon: 12pm – 1:30pm 509.475.9575 Wednesday, September 17 Ana Matthews Ana.Matthews@avistacorp.com 509.475.7979 Friday, September 19 Avista’s EAG Team Email Morning: 7:30am to 9:00am ceta@avistacorp.com 36 Equity Advisory Group

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