Pinnacle West Capital Corporation · NYSE:PNW

Pinnacle West Capital — Investor Day (November 2008)

84 slides from Pinnacle West Capital's investor day presentation, Nov 7, 2008

  1. Slide 1: Analyst Conference

    Analyst Conference November 6-7, 2008

  2. Slide 2: Forward-Looking Statements

    Forward-Looking Statements These These presentations presentations contain contain forward-looking forward-looking statements statements based based on on current current expectations. expectations. Neither Neither Pinnacle Pinnacle West West nor nor APS APS assumes assumes any any obligation obliga

  3. Slide 3: Operations Overview

    Operations Overview Don Brandt Analyst Conference November 7, 2008 1

  4. Slide 4: Strategic Objectives

    Strategic Objectives ƒ Manage intrinsic growth in our markets ƒ Prudently increase our resource portfolio ƒ Maintain top-quartile operational performance and reliability ƒ Achieve constructive regulatory outcomes ƒ Manage costs aggressively ƒ Improve financial strength and shareholder value 2

  5. Slide 5: Today's Agenda

    Today’s Agenda ƒ Four-part plan to improve APS’ financial strength ƒ Growth update ƒ Resource planning and management ƒ Operations overview • Fossil generation • Customer service • EEI Award and other recognition ƒ SunCor 3

  6. Slide 6: Plan to Improve APS' Financial Strength

    Plan to Improve APS’ Financial Strength ƒ Cost reductions announced January 2008 • $200 million capital expenditures 2008 – 2012 • $14 million annual O&M ƒ Additional $700 million capital expenditure reductions 2009 – 2011 announced October 2008 ƒ Interim rate request ƒ General retail rate case 4

  7. Slide 7: Growth and Resource Management

    Growth and Resource Management 5

  8. Slide 8: Attractive Intrinsic Growth Characteristics

    Attractive Intrinsic Growth Characteristics Population Growth – Arizona vs. U.S. 6% 6% 5% 5% 4% 4% 3% 3% 2% 2% 1% 1% 0% 0% '87 '87 '88 '88 '89 '89 '90 '90 '91 '91 '92 '92 '93 '93 '94 '94 '95 '95 '96 '96 '97 '97 '98 '98 '99 '99 '00 '00 '01 '01 '02 '02 '03 '03 '04 '04 '05 '05 '06 '06 '07 '07 '08 '08 P

  9. Slide 9: Population Growth Underpins APS Business Growth

    Population Growth Underpins APS Business Growth 6% 6% 5% 5% 4% 4% 3% 3% 2% 2% 1% 1% 0% 0% '87 '87 '88 '88 '89 '89 '90 '90 '91 '91 '92 '92 '93 '93 '94 '94 '95 '95 '96 '96 '97 '97 '98 '98 '99 '99 '00 '00 '01 '01 '02 '02 '03 '03 '04 '04 '05 '05 '06 '06 '07 '07 '08 '08 Projected Projected Arizona Arizon

  10. Slide 10: APS Growth Historically Rebounds After Recessions

    APS Growth Historically Rebounds After Recessions 6% 6% 5% 5% 4% 4% 3% 3% 2% 2% 1% 1% 0% 0% '87 '87 '88 '88 '89 '89 '90 '90 '91 '91 '92 '92 '93 '93 '94 '94 '95 '95 '96 '96 '97 '97 '98 '98 '99 '99 '00 '00 '01 '01 '02 '02 '03 '03 '04 '04 '05 '05 '06 '06 '07 '07 '08 '08 Projected Projected Arizona Ariz

  11. Slide 11: APS Resource Management Initiatives

    APS Resource Management Initiatives ƒ Maintaining diversified energy mix ƒ Balancing needs and resources ƒ Addressing renewables, energy efficiency and climate change ƒ Hedging purchased power and gas prices 9

  12. Slide 12: Diversified Energy Fuel Mix

    Diversified Energy Fuel Mix Native Load 19% 17% 39% 25% Nuclear Coal Gas Purchased Power Twelve months ended September 30, 2008 10

  13. Slide 13: Purchased Power and Gas Hedging Program

    Purchased Power and Gas Hedging Program Percent of Requirements Hedged 100% 100% 75% 75% 50% 50% 25% 25% 0% 0% 2008 2008 2009 2009 2010 2010 2011 2011 As of September 30, 2008 11

  14. Slide 14: Meeting Challenges of Peak Load Growth

    Meeting Challenges of Peak Load Growth 2007 - 2020 Average Annual Load Growth 2.3% MW MW 12,000 12,000 10,000 10,000 8,000 8,000 6,000 6,000 4,000 4,000 '07 '07 '08 '08 '09 '09 '10 '10 '11 '11 '12 '12 '13 '13 '14 '14 '15 '15 '16 '16 '17 '17 '18 '18 '19 '19 '20 '20 Projected Projected Long-Term Long-

  15. Slide 15: Arizona Renewable Resource Requirements

    Arizona Renewable Resource Requirements ƒ Arizona Renewable Energy Standard (RES) ƒ Sets minimum renewable energy amounts • 1.5% of energy for retail sales in 2007 • 5% of energy for retail sales by 2015 • 15% of energy for retail sales by 2025 ƒ Includes distributed energy component • 5% of total i

  16. Slide 16: APS Major New Solar Resource: Solana Generating Station

    APS Major New Solar Resource Solana Generating Station ƒ 280 MW concentrating solar plant 70 miles southwest of Phoenix ƒ Larger than any existing solar facility in the world ƒ APS 30-year purchase power agreement for all output (900 GWh/year) ƒ Thermal storage capability will allow summer on-peak c

  17. Slide 17: Solana Generating Station Recent Milestones

    Solana Generating Station Recent Milestones ƒ APS participation approved by ACC September 2008 ƒ Status of Certificate of Environmental Compatibility (CEC) • Siting committee approval October 2008 • ACC ruling expected December 2008 ƒ Renewables tax credit extension approved by Congress September 20

  18. Slide 18: Resource Planning for the Future

    Resource Planning for the Future ƒ Stakeholders actively involved ƒ Resource needs and options evaluated • Peaking capacity through next decade • Baseload capacity thereafter ƒ APS resource plan to be filed with ACC year-end 2008 ƒ ACC integrated resource planning rules being developed 16

  19. Slide 19: Operational Excellence

    Operational Excellence 17

  20. Slide 20: Top-Tier Coal Generation Performance

    Top-Tier Coal Generation Performance Capacity Factors 2007 2007 Highlights Highlights 100% 100% ƒ Record fleet capacity factors for fourth straight year 75% 75% ƒ Cholla 50% • Set new production 50% record 5.1 million MWh • Capacity factor 90% 25% 25% ƒ Four Corners • Capacity factor 86% 0% 0% '03 '

  21. Slide 21: Fossil Generation Environmental Targets

    Fossil Generation Environmental Targets ƒ Zero non-air related reportable environmental incidents ƒ Self assessments at each plant annually ƒ Environmental Management Systems (EMIS) to promote compliance at all levels 19

  22. Slide 22: APS Customer Satisfaction High Among Western Electric IOU's

    APS Customer Satisfaction High Among Western Electric IOU’s Residential Customers Commercial Customers Rating Rating Rating Rating 750 750 750 750 APS APS 700 700 700 700 650 650 650 650 600 600 600 600 550 550 550 550 500 500 500 500 J.D. Power 2008 Surveys 20

  23. Slide 23: Top-Quartile Reliability Reducing Average Customer Outage Time

    Top-Quartile Reliability Reducing Average Customer Outage Time System Average Interruption Duration Index (SAIDI) Minutes 140 140 Top-Quartile Top-Quartile Performance Performance 120 120 100 100 80 80 60 60 40 40 20 20 00 1998 1998 1999 1999 2000 2000 2001 2001 2002 2002 2003 2003 2004 2004 2005 20

  24. Slide 24: Labor Day Storm Response Exemplified Excellence

    Labor Day Storm Response Exemplified Excellence Timeline August August 28 28 -- Thursday Thursday ƒƒ 10:00 10:00 p.m.– p.m.– First First Storm Storm -- 80,000 80,000 customers customers outout August August 29 29 -- Friday Friday ƒƒ 6:30 6:30 a.m. a.m. –– 32,000 32,000 out out ƒƒ 8:00 8:00 p.m. p.m.

  25. Slide 25: Labor Day Storm Response Statistics

    Labor Day Storm Response Statistics ƒƒ 51 51 distribution distribution feeders feeders –– 80,000 80,000 customers customers impacted impacted ƒƒ Call Call Center Center handled handled 47,609 47,609 customer customer calls calls on on August August 29 29 (single-day (single-day record) record) ƒƒ Ov

  26. Slide 26: APS Receives Electric Industry's Most Prestigious Honor

    APS Receives Electric Industry’s Most Prestigious Honor “APS’ new system for monitoring transformer performance is a remarkable achievement and could potentially benefit electric utilities everywhere…. This system represents a significant step forward in managing and monitoring the electric grid.” T

  27. Slide 27: Other Recognition

    Other Recognition Environmental, Sustainability and Technology ƒƒ Innovest’s Innovest’s highest highest rating rating (AAA) (AAA) and and ranked ranked #2 #2 electric electric utility utility ƒƒ Dow Dow Jones Jones Sustainability Sustainability Index Index ƒƒ Global Global 100 100 Most Most Sustaina

  28. Slide 28: SunCor

    SunCor 26

  29. Slide 29: SunCor Overview

    SunCor Overview ƒ Commercial and residential real estate developer in IDAHO Western U.S. Boise ƒ Total assets = $578 million ƒ Equity = $297 million ƒ Diverse geographic and UTAH business mix St. George • 6 master-planned communities • 2 major commercial projects Sedona Prescott Santa Fe Phoenix NEW

  30. Slide 30: SunCor Near-Term Tactics

    SunCor Near-Term Tactics ƒ Manage land, residential and commercial inventory ƒ Reduce costs / improve efficiency • Workforce reduced 50% from peak • Capital expenditure reduction/delay • General and administrative expenses being reduced more than 20% from peak 28

  31. Slide 31: Strategic Summary

    Strategic Summary ƒ Manage intrinsic growth in our markets ƒ Prudently increase our resource portfolio ƒ Maintain top-quartile operational performance and reliability ƒ Achieve constructive regulatory outcomes ƒ Manage costs aggressively ƒ Improve financial strength and shareholder value 29

  32. Slide 32: Palo Verde Overview

    Palo Verde Overview Randy Edington Analyst Conference November 7, 2008 1

  33. Slide 33: Palo Verde's Business Plan

    Palo Verde’s Business Plan We SAFELY and efficiently generate electricity for the long term 2

  34. Slide 34: Improving Nuclear Generation Performance

    Improving Nuclear Generation Performance Capacity Factors 100% 100% ƒ Top U.S. power producer past 15 years 75% 75% ƒ Goal to achieve consistent site capacity factor 50% 50% greater than 88% ƒ Performance 25% 25% improvement plan underway 0% 0% ƒ Strengthening '03 '03 '04 '04 '05 '05 '06 '06 '07 12

  35. Slide 35: Net Generation

    Net Generation Million MW 40 40 35 35 30.0 30.0 28.6 28.6 28.1 28.1 30 30 25.8 26.8 26.8 25.8 24.0 24.0 25 25 20 20 15 15 10 10 55 00 2003 2003 2004 2004 2005 2005 2006 2006 2007 2007 2008 2008 Projected Projected 4

  36. Slide 36: O&M Cost Trends

    O&M Cost Trends Expected Expected toto peak peak in in 2008 2008 -- 2009 2009 2003 2003 2013 2013 5

  37. Slide 37: Refueling and Steam Generator Replacement Outages

    Refueling and Steam Generator Replacement Outages Outage Outage Days Days 120 120 100 100 80 80 60 60 40 40 Projected 20 20 0 0 2003 2003 2004 2004 2005 2005 2006 2006 2007 2007 2008 2008 Unit 1 Unit 2 Unit 3 6

  38. Slide 38: Regulatory Activities

    Regulatory Activities ƒ Site Integrated Business Plan (SIBP) ƒ Site Integrated Improvement Plan (SIIP) ƒ Confirmatory Action Letter (CAL) • Expected to be cleared by end of 2009 ƒ NRC Reactor Oversight Action Matrix • Unit 3 expected to be out of Column 4 by end of 2009 ƒ License Renewal Request 7

  39. Slide 39: License Renewal

    License Renewal ƒ Plan to file application by end of 2008 ƒ Request to extend operating licenses by 20 years ƒ License extension process expected to take about two years 8

  40. Slide 40: Major Capital Improvements

    Major Capital Improvements Completed projects ƒ Steam generators ƒ Low-pressure turbines Future projects ƒ Reactor vessel heads ƒ Rapid refueling packages ƒ Cooling towers All projects in capital expenditure forecasts 9

  41. Slide 41: Steam Generators and Low-Pressure Turbines

    Steam Generators and Low-Pressure Turbines ƒ Completed at all units in 2003 – 2007 ƒ Increased production capability • 210 MW total site • 61 MW APS share 10

  42. Slide 42: Reactor Vessel Head Replacements

    Reactor Vessel Head Replacements ƒ Planned timing (during normal refueling outages): • Unit 2 – Fall 2009 • Unit 1 – Spring 2010 • Unit 3 – Fall 2010 ƒ Estimated outage duration • About 60 days/unit ƒ Projected site costs (all units) • $90-100 million total project • APS share 29.1% 11

  43. Slide 43: Rapid Refueling Packages

    Rapid Refueling Packages ƒ Planned timing • Concurrent with reactor vessel head replacements ƒ Projected site costs (all units) • $100-110 million total project • APS share 29.1% 12

  44. Slide 44: Cooling Tower Replacements

    Cooling Tower Replacements ƒ Currently in design stage ƒ Projected completion: 2015 ƒ Preliminary site project cost estimate (all units) • $400 million total project • APS share 29.1% 13

  45. Slide 45: The Road to Excellence – 2013 Goals

    The Road to Excellence – 2013 Goals ƒƒ ISAR ISAR top top quartile quartile ƒƒ No No NRC NRC Findings Findings greater greater than than GREEN GREEN ƒƒ Production Production cost cost less less ƒƒ INPO INPO 11 than or equal to than or equal to $20 $20 per per megawatt-hour megawatt-hour (2 (2 cents c

  46. Slide 46: Regulatory Overview

    Regulatory Overview Steve Wheeler Analyst Conference November 7, 2008 1

  47. Slide 47: Today's Agenda

    Today’s Agenda ƒ Regulatory goals ƒ Significant developments in recent years ƒ Retail rate cases pending • Interim base rate request • General rate case ƒ Transmission rate settlement ƒ ACC election results ƒ Focusing on regulatory improvements 2

  48. Slide 48: APS' Primary Regulatory Goals

    APS’ Primary Regulatory Goals ƒ Timely cost recovery and return on investment ƒ Financial strength and stability ƒ APS integrated resource plan approval ƒ Improved regulatory processes ƒ Establishment of prudent, comprehensive state energy policy ƒ Support for beneficial customer programs 3

  49. Slide 49: Significant Developments Since 2005

    Significant Developments Since 2005 ƒ Unification of PWEC assets ƒ Retail cost recovery mechanisms • Fuel and purchased power adjustor (PSA) • Transmission cost adjustor (TCA) • Renewables surcharge (RES) • Demand-side management adjustor (DSM) • Environmental improvement surcharge (EIS) ƒ Retail li

  50. Slide 50: APS Interim Base Rate Request Details

    APS Interim Base Rate Request Details ƒ Application filed with ACC June 6, 2008 ƒ Base rate surcharge to be effective until general rate case decision • $0.004 per kWh (approximately 4%) • $115 million annual pretax retail revenues ƒ Subject to refund pending outcome of general rate case ƒ Hearings

  51. Slide 51: Interim Rate Request Themes

    Interim Rate Request Themes ƒ Address APS’ financial condition pending general rate case proceedings • Preserve investment-grade credit ratings • Provide cash flow • Strengthen credit metrics and earnings ƒ Protect customers against higher future costs ƒ Reduce rate volatility for customers ƒ Recogn

  52. Slide 52: Summary of Staff and Intervenor Positions on Interim Relief Request

    Summary of Staff and Intervenor Positions on Interim Relief Request ACC Staff Arizonans for Electric Choice ƒ Does not support and Competition (AECC) interim increase ƒ Supports $42.4 million ƒ If Commission grants request annual revenue increase • $65 million annual effective January 1, 2009 revenu

  53. Slide 53: APS Retail Rate Case Elements

    APS Retail Rate Case Elements ƒ Adjusted 2007 test year ƒ Recognize $1.7 billion of capital expenditures since last rate case ƒ Address earnings attrition ƒ Implement new growth impact fee ƒ Encourage energy efficiency programs ƒ New conservation rates 8

  54. Slide 54: Composition of $278 Million APS Rate Increase

    Composition of $278 Million APS Rate Increase Traditional Traditional rate rate base base $72M Cost Cost of of capital capital $48M Net Net fuel fuel increase increase $14M Other–net Other–net $6M 9

  55. Slide 55: Composition of $278 Million APS Rate Increase

    Composition of $278 Million APS Rate Increase Post Post test-year test-year large large projects projects $25M in-service in-service Other Other post post $34M test-year test-year plant plant in-service in-service $79M Attrition Attrition adjustment adjustment 10

  56. Slide 56: Proposals to Mitigate Earnings Attrition

    Proposals to Mitigate Earnings Attrition ƒ Post test-year plant additions • Consistent with ACC historic test-year methodology • $174 million large projects in service by mid-2008 • $245 million other plant in service by time rates go into effect ƒ $79 million attrition adjustment to capture revenue

  57. Slide 57: Growth Impact Fee Proposal

    Growth Impact Fee Proposal ƒ Helps “growth pay for itself” ƒ Reduces increase for existing customers ƒ Supplements line extension payments approved in early 2008 ƒ Captures additional growth-related costs • Carrying costs of tax asset related to line extension payments • Incremental operating costs

  58. Slide 58: APS Retail Rate Case Schedule

    APS Retail Rate Case Schedule Staff Staff && Intervenor Intervenor APS APS APS APS APS APS Initial Initial Testimony Testimony Rebuttal Rebuttal Rejoinder Rejoinder Rate Rate Filing Filing Part Part 11 ** Testimony Testimony Testimony Testimony Mar. 24, Jun. 2, Dec. 19, Jan. 9, Feb. 6, Mar. 6, Mar.

  59. Slide 59: Timely Transmission Rate Updates

    Timely Transmission Rate Updates ƒ Annual formula-based rate adjustments (based on prior-year FERC Form 1 data) ƒ Retail transmission cost adjustor ƒ Key implementation dates • APS FERC request filing July 10, 2007 • Initial increases (wholesale and retail adjustor) March 1, 2008 • Second increase ƒ

  60. Slide 60: Transmission Revenue Increases

    Transmission Revenue Increases 1st Increase 2nd Increase Annual Revenue Effective Annual Effective Request Settlement Date Revenue Date Retail Portion (TCA) $30M $27M 3/1/2008 $13M 7/3/2008 Wholesale Portion $ 7M $ 1M 3/1/2008 $ 2M 6/1/2008 Total Increase $37M $28M $15M 15

  61. Slide 61: Arizona Corporation Commissioners

    Arizona Corporation Commissioners Terms Expire January 2009 Mike Mike Gleason Gleason Jeff Jeff Hatch-Miller Hatch-Miller William William Mundell Mundell Republican Republican Republican Republican Republican Republican Terms Expire January 2011 Kristin Kristin Mayes Mayes Gary Gary Pierce Pierce Re

  62. Slide 62: Focusing on Regulatory Improvements

    Focusing on Regulatory Improvements ƒ Substantial APS Partner with ACC capital expenditures and stakeholders to: driven by growth and reliability ƒ Assure financial strength ƒ Address regulatory lag ƒ APS commodity prices increases ƒ Improve alignment of goals ƒ Historic test year ƒ Implement integr

  63. Slide 63: Financial Overview

    Financial Overview Jim Hatfield Analyst Conference November 7, 2008 1

  64. Slide 64: Today's Agenda

    Today’s Agenda ƒ Financial objectives ƒ Third quarter earnings ƒ Capital expenditures ƒ Liquidity and debt profile ƒ O&M cost management initiatives ƒ Credit ratings and financial metrics ƒ Value proposition 2

  65. Slide 65: Long-Term Financial Objectives

    Long-Term Financial Objectives ƒ Retain APS investment-grade credit ratings ƒ Improve financial strength and agility ƒ Emphasize capital and O&M budgeting disciplines ƒ Maintain ample liquidity and access to capital ƒ Constructively address earnings attrition ƒ Improve total return to above industry

  66. Slide 66: 3rd Quarter September Earnings Summary

    3rd Quarter September Earnings Summary $ Millions, Millions, Except Except EPS EPS 2008 2007 Change APS $ 160 $ 204 $ (44) SunCor (6) 6 (12) Other (2) (1) (1) Net income $ 152 $ 209 $ (57) Earnings per share $ 1.50 $ 2.07 $ (0.57) 4

  67. Slide 67: Major EPS Variances

    Major EPS Variances 3rd rd Quarter September 2008 vs 3rd rd Quarter September 2007 Rate Rate 2007 2007 Growth Growth increases increases O&M* O&M* $2.07 $2.07 $0.06 $0.06 $0.07 $0.07 $(0.17) $(0.17) Hedge Hedge mark-to- mark-to- Weather Weather market market $(0.14) $(0.14) SunCor SunCor $(0.17) $(0

  68. Slide 68: 2008 Earnings Guidance

    2008 Earnings Guidance As of November 4, 2008 ƒ Consolidated on-going earnings expected to be within reasonable range around $2.50 per share • Excludes $0.30 per share of prior-year tax credits recorded second quarter 2008 • APS will contribute substantially all of the earnings • SunCor’s contributi

  69. Slide 69: Primary Future Earnings Drivers

    Primary Future Earnings Drivers Customer growth O&M Rate increases Capital expenditures - Transmission - Depreciation - Interim - Property taxes - Base - Interest Inflation Economy Weather 7

  70. Slide 70: Significant APS Capital Expenditures to Support Long-Term Growth

    Significant APS Capital Expenditures to Support Long-Term Growth $ Millions 1,200 1,200 1,000 1,000 APS APS Distribution Distribution 800 800 APS APS Transmission Transmission 600 600 APS APS Generation Generation 400 400 Other Other 200 200 Deferrals Deferrals & & Cancellations Cancellations 00 200

  71. Slide 71: APS Capital Expenditure Reduction Details Announced October 2008

    APS Capital Expenditure Reduction Details Announced October 2008 ($ ($ Millions) Millions) 2009 2010 2011 Total Transmission $ 60 $ 190 $ 180 $ 430 Distribution 100 80 30 210 Generation 60 60 (40) 80 Total 220 330 170 720 Line extension effects (30) (50) (120) (200) Net reductions $ 190 $ 280 $ 50 $

  72. Slide 72: APS Capital Expenditure Reductions

    APS Capital Expenditure Reductions Announced January 2008 Announced October 2008 More More than than $200 $200 million million in in 2008 2008 -- 2012 2012 More More than than $700 $700 million million in in 2009 2009 -- 2011 2011 Slower Slower customer customer growth growth Improved Improved plann

  73. Slide 73: Ample Liquidity Resources

    Ample Liquidity Resources $1.15 $1.15 Billion Billion „ „ PNW (parent) $300 million revolver expires December 2010 „ „ APS $400 million revolver expires December 2010 Revolving Credit „ „ APS $500 million revolver Facilities expires September 2011 $442 $442 Million Million „ „ $51 million capacity l

  74. Slide 74: Solid Revolver Bank Groups

    Solid Revolver Bank Groups ($ Millions) APS APS PNW PNW Total Total % % of of Total Total BNY BNY Mellon Mellon $$ 80 80 $$ 30 30 $$ 110 110 9.2 9.2 Bank Bank of of America America 93 93 17 17 110 110 9.2 9.2 Citigroup Citigroup 77 77 29 29 106 106 8.8 8.8 JPMorgan JPMorgan Chase Chase 77 77 29 29 1

  75. Slide 75: Solid Revolver Bank Groups - Continued

    Solid Revolver Bank Groups - Continued ($ Millions) APS APS PNW PNW Total Total % % of of Total Total Sun Sun Trust Trust $$ 36 36 $$ -- $$ 36 36 3.0 3.0 Wachovia Wachovia 36 36 -- 36 36 3.0 3.0 US US Bank Bank 17 17 13 13 30 30 2.5 2.5 KBC KBC Bank Bank 24 24 -- 24 24 2.0 2.0 Dresdner Dresdner 24 2

  76. Slide 76: Debt and Cash Balances

    Debt and Cash Balances September 30, 2008 $$ Millions Millions APS APS** Parent Parent SunCor SunCor Total Total Long-term Long-term debt debt including including current current maturities maturities $$ 2,851 2,851 $$ 175 175 $$ 177 177 $$ 3,203 3,203 Short-term Short-term debt debt 270 270 167 167

  77. Slide 77: Tax-Exempt Debt Profile

    Tax-Exempt Debt Profile September 30, 2008 $656 $656 Million Million Auction Auction Rate Rate -- Ambac Ambac Variable Variable Rate Rate -- LOC LOC Fixed Fixed rate rate Variable Variable Rate Rate -- Unenhanced Unenhanced 15

  78. Slide 78: Manageable Long-Term Debt Maturity Profile

    Manageable Long-Term Debt Maturity Profile $ Millions 600 600 500 500 400 400 300 300 200 200 100 100 00 2008 2008 2009 2009 2010 2010 2011 2011 2012 2012 2013 2013 2014 2014 2015 2015 2016 2016 2017 2017 2018 2018 2019 2019 APS APS PNW PNW SunCor SunCor 16

  79. Slide 79: O&M Cost Management Initiatives

    O&M Cost Management Initiatives Control costs to manage increases and related risks 17

  80. Slide 80: Pension Update

    Pension Update $$ Millions Millions 40 40 „ Prudent funding of „ pension obligation 30 30 „ 94% cash funded „ 20 20 at 2007 plan year-end 10 10 „ Annual actuarial „ valuations based on 00 year-end status 2006 2006 2007 2007 2008 2008 Projected Projected Required Required cash cash contributions cont

  81. Slide 81: Long-Term Focus on Improving APS Credit Metrics

    Long-Term Focus on Improving APS Credit Metrics Funds Funds From From Operations Operations // Debt Debt Adjusted Adjusted Debt Debt // Total Total Capitalization* Capitalization* 25% 25% 60% 60% 50% 50% 20% 20% 40% 40% 15% 15% 30% 30% 10% 10% 20% 20% 5% 5% 10% 10% 0% 0% 0% 0% '04 '04 '05 '05 '06 '0

  82. Slide 82: APS Net Cash Flow as Percent of Capital Expenditures

    APS Net Cash Flow as Percent of Capital Expenditures 100% 100% 75% 75% 50% 50% 25% 25% 0% 0% 2004 2004 2005 2005 2006 2006 2007 2007 2008 2008 Projected Projected Based on 2008 earnings guidance 20

  83. Slide 83: Attractive Common Stock Dividend

    Attractive Common Stock Dividend Pinnacle West Annual Dividend Yield $2.10 Per Share 8% 8% PNW PNW 6.1% 6.1% 6% 6% Industry Industry Average Average 4.4% 4.4% 4% 4% 2% 2% 0% 0% Pinnacle Pinnacle West West Electric Electric Utilities Utilities As As of of September September 30, 30, 2008 2008 21

  84. Slide 84: Value Proposition

    Value Proposition ƒ Integrated, regulated electric utility • Attractive long-term economic fundamentals • Operational excellence • Experienced management and workforce • Focus on regulatory improvements ƒ Financial performance focus ƒ Valuation • $2.10 per share annual dividend • Investment-grade cr

Pinnacle West Capital — Investor Day (November 2008) on 6ix