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0000764622falseAZ00000072868-KFebruary 27, 2024falseAZfalsefalsefalsefalsefalse00007646222024-02-272024-02-280000764622pnw:ArizonaPublicServiceCompanyMember2024-02-272024-02-28



UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549 
 

FORM 8-K 
 

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934

Date of report (Date of earliest event reported):
February 27, 2024



Commission File
Number
  Exact Name of Each Registrant as specified in its
charter; State of Incorporation; Address; and
Telephone Number
IRS Employer
Identification No.
1-8962   PINNACLE WEST CAPITAL CORPORATION 86-0512431
(an Arizona corporation)
400 North Fifth Street, P.O. Box 53999
Phoenix Arizona 85072-3999
(602) 250-1000
1-4473   ARIZONA PUBLIC SERVICE COMPANY 86-0011170
(an Arizona corporation)
400 North Fifth Street, P.O. Box 53999
Phoenix Arizona 85072-3999
(602) 250-1000

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:




Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:
Title of each class
Trading Symbol(s)
Name of each exchange on which registered
Common Stock
PNW
The New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).
Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

This combined Form 8-K is separately filed or furnished by Pinnacle West Capital Corporation and Arizona Public Service Company. Each registrant is filing or furnishing on its own behalf all of the information contained in this Form 8-K that relates to such registrant and, where required, its subsidiaries. Except as stated in the preceding sentence, neither registrant is filing or furnishing any information that does not relate to such registrant, and therefore makes no representation as to any such information.






Item 2.02. Results of Operations and Financial Condition.

    The following information is furnished pursuant to Item 2.02.

    On February 27, 2024, Pinnacle West Capital Corporation (the “Company” or “Pinnacle West”) issued a press release regarding its financial results for the fiscal quarter and full year ended December 31, 2023 and its earnings outlook for 2024. A copy of the press release is attached hereto as Exhibit 99.1.

Item 7.01. Regulation FD Disclosure.

    The following information is furnished pursuant to Item 7.01.

    The Company is providing a copy of the slide presentation made in connection with its earnings conference call on February 27, 2024. This information contains Company operating results for the fiscal quarter and fiscal year ended December 31, 2023, earnings outlook for 2024 and a quarterly and full year consolidated statistical summary. The slide presentation is attached hereto as Exhibit 99.2 and is concurrently being posted to the Company’s website at www.pinnaclewest.com.

Item 9.01.    Financial Statements and Exhibits.
    (d)    Exhibits

Exhibit No. Registrant(s) Description
99.1 Pinnacle West
APS
99.2 Pinnacle West
APS




SIGNATURES

    Pursuant to the requirements of the Securities Exchange Act of 1934, each registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


PINNACLE WEST CAPITAL CORPORATION
(Registrant)
Dated: February 27, 2024 By: /s/ Andrew Cooper            
Andrew Cooper
Senior Vice President and
Chief Financial Officer
ARIZONA PUBLIC SERVICE COMPANY
(Registrant)
Dated: February 27, 2024 By: /s/ Andrew Cooper            
Andrew Cooper
Senior Vice President and
Chief Financial Officer













EX-99.1 2 pnw202312318kexhibit991.htm EX-99.1 Document

a1qearningsfinal05011a14.jpg
FOR IMMEDIATE RELEASE February 27, 2024
Media Contact:
Alan Bunnell (602) 250-3376
Analyst Contacts:
Amanda Ho (602) 250-3334
Website: pinnaclewest.com

PINNACLE WEST REPORTS 2023 FULL-YEAR AND FOURTH-QUARTER RESULTS,
SHARES 2024 FINANCIAL OUTLOOK

•Full-year financial results positively impacted by the effects of weather, robust customer growth and strong operational performance

•Constructive regulatory outcome achieved in 2022 rate case

•Company files Transmission System Plan to ensure reliability and meet Arizona’s substantial growth

PHOENIX – Pinnacle West Capital Corp. (NYSE: PNW) today reported consolidated net income attributable to common shareholders of $501.6 million, or $4.41 per diluted share, for full-year 2023. This result compares with net income of $483.6 million, or $4.26 per diluted share, in 2022

For the quarter ended Dec. 31, 2023, Pinnacle West reported a consolidated net loss attributable to common shareholders of $23,000, or $0.00 per diluted share, compared with a net loss of $24.0 million, or a loss of $0.21 per share, for the same period in 2022.

The higher 2023 full-year results reflect an increase of approximately $18 million, primarily as a result of the effects of weather; higher revenue resulting from Arizona Public Service Co.’s (APS) Lost Fixed Cost Recovery (LFCR) adjustor mechanism and a surcharge resulting from the outcome of the utility’s 2019 Rate Case appeal; higher transmission revenue; and increased sales and usage. These positive factors were partially offset by higher interest charges, net of AFUDC; higher operations and maintenance expense; lower pension and other postretirement non-service credits; and higher depreciation and amortization expense mostly due to increased plant assets.

“Two years ago, we outlined a plan following an unfavorable rate case decision that created financial hurdles and moved us to reset our financial outlook. We made significant progress on that plan, adapting and reaching our revised targets,” said Pinnacle West Chairman, President and CEO Jeff Guldner. “That progress is reflected in our solid 2023 financial results and a constructive outcome in our 2022 rate case that was decided late last week.

“The Arizona Corporation Commission’s (ACC) decision affirms important aspects of our rate filing and supports investments in our energy infrastructure to increase grid resilience, while also ensuring customers receive the reliability they count on – without compromising affordability.”

Guldner also lauded the efforts of employees who worked tenaciously to keep the lights on and air conditioners running throughout the year, but especially during the hottest U.S. summer on record. “Our diverse generation fleet delivered high-level performance when our customers were in critical need of reliable and resilient power. Palo Verde attained its 32nd consecutive year as the nation’s largest power producer, all of it carbon-free, and our combination of solar generation plus utility-scale battery storage provided record levels of renewable power for our customers.




“By executing on comprehensive operational and financial strategies, we enter 2024 in a solid position to provide top-level service for our customers and further energize Arizona’s economic expansion.”

Arizona's Economy: Planning for Growth
Arizona’s economy is more diverse than ever, and Arizona’s population continues to grow. Maricopa County, home of the Phoenix metropolitan area, has been the county with the highest annual population gains in the United States since 2016. With this record number of people, businesses and large industrial customers moving to the state, APS’s service territory remains among the fastest growing in the nation.

APS, the company’s principal subsidiary, experienced customer growth of 2% in 2023 and anticipates projected average annual growth in the range of 1.5% to 2.5% through 2026. Not surprisingly, these changes are driving a significant increase in energy consumption. APS experienced weather-normalized, year-over-year retail electricity sales growth of 1.5% in 2023, and future sales are expected to increase between 4% and 6% annually through 2026 due in large part to the expected additions of several large data centers and new large manufacturing facilities.

To prioritize reliability and meet substantial growth in residential and commercial energy needs, APS filed a future-focused Transmission System Plan with the ACC late last month.

“This 10-year plan includes significant upgrades to APS’s transmission system to support load growth, mitigate outage risks, connect the APS grid to additional generation resources and procure more cost-competitive energy for customers through the wholesale power market,” Guldner said, adding that in 2023, APS spent $361 million on capital expenditures for transmission, up from $217 million in 2022. Capital spending on transmission projects is projected to total nearly $1.2 billion from 2024 through 2026.

Staying Focused on Serving Customers
Employees remain committed to putting customers first and achieving an industry-leading best-in-class customer experience. Company-wide efforts to provide a more frictionless customer experience continue to pay off, as measured by J.D. Power. For 2023, APS ranked in the second quartile of large investor-owned utilities for both business and residential customers. This is a meaningful accomplishment considering APS was fourth quartile as recently as 2021. In fact, residential customers ranked APS second in our peer set in 2023 for both “Perfect Power” (no brief or lengthy outages) and “Phone Customer Care.”

Additionally, in 2023, APS continued to improve customers’ experience by:

•Improving the ease-of-use and increasing functionality of our digital experience, including increasing use of text and email notifications to keep customer informed about their service;

•Adding more than 1,100 in-person payment locations across the state, as well as introducing new customer payment channels, including Google and Apple Pay;

•Continuing to communicate with customers in their preferred channels about topics that matter most to them, including reliability, energy efficiency, financial assistance, the environment, and programs that enable them to design their own personalized energy experience; and

•Offering assistance and discount programs to qualified limited-income customers, as well as other non-income-based assistance programs for those struggling to pay their bills, including several assistance programs through the State of Arizona. Collectively, these programs provided funding and discounts exceeding more than $69 million in 2023 alone.




Financial Outlook
Following the recent conclusion of APS’s rate case, the company estimates its consolidated 2024 earnings guidance will be in the range of $4.60 to $4.80 per diluted share on a weather-normalized basis. Key factors and assumptions underlying the 2024 outlook can be found in the year-end/fourth-quarter 2023 earnings presentation slides at pinnaclewest.com/investors.

Conference Call and Webcast
Pinnacle West invites interested parties to listen to the live webcast of management’s conference call to discuss the Company’s financial results and recent developments, and to provide an update on the company’s longer-term financial outlook, at 11 a.m. ET (9 a.m. Arizona time) today, Feb. 27. The webcast can be accessed at pinnaclewest.com/presentations and will be available for replay on the website for 30 days. To access the live conference call by telephone, dial (888) 506-0062 or (973) 528-0011 for international callers and enter participant access code 933756. A replay of the call also will be available at pinnaclewest.com/presentations or by telephone until 11:59 p.m. ET, Tuesday, March 5, 2024, by calling (877) 481-4010 in the U.S. and Canada or (919) 882-2331 internationally and entering replay passcode 49749.

General Information
Pinnacle West Capital Corp., an energy holding company based in Phoenix, has consolidated assets of approximately $25 billion, about 6,500 megawatts of generating capacity and nearly 6,100 employees in Arizona and New Mexico. Through its principal subsidiary, Arizona Public Service, the company provides retail electricity service to approximately 1.4 million Arizona homes and businesses. For more information about Pinnacle West, visit the company’s website at pinnaclewest.com.

Dollar amounts in this news release are after income taxes. Earnings per share amounts are based on average diluted common shares outstanding. For more information on Pinnacle West’s operating statistics and earnings, please visit pinnaclewest.com/investors.

FORWARD-LOOKING STATEMENTS
This press release contains forward-looking statements based on current expectations. These forward-looking statements are often identified by words such as "estimate," "predict," "may," "believe," "plan," "expect," "require," "intend," "assume," "project," "anticipate," "goal," "seek," "strategy," "likely," "should," "will," "could," and similar words. Because actual results may differ materially from expectations, we caution readers not to place undue reliance on these statements. A number of factors could cause future results to differ materially from historical results, or from outcomes currently expected or sought by Pinnacle West or APS. These factors include, but are not limited to:

•uncertainties associated with the current and future economic environment, including economic growth, labor market conditions, inflation, supply chain delays, increased expenses, volatile capital markets, or other unpredictable effects;
•our ability to manage capital expenditures and operations and maintenance costs while maintaining reliability and customer service levels;
•variations in demand for electricity, including those due to weather, seasonality (including large increases in ambient temperatures), the general economy or social conditions, customer, and sales growth (or decline), the effects of energy conservation measures and distributed generation, and technological advancements;
•the potential effects of climate change on our electric system, including as a result of weather extremes such as prolonged drought and high temperature variations in the area where APS conducts its business;
•power plant and transmission system performance and outages;
•competition in retail and wholesale power markets;
•regulatory and judicial decisions, developments, and proceedings;
•new legislation, ballot initiatives and regulation or interpretations of existing legislation or regulations, including those relating to environmental requirements, regulatory and energy policy, nuclear plant operations and potential deregulation of retail electric markets;
•fuel and water supply availability;
•our ability to achieve timely and adequate rate recovery of our costs through our rates and adjustor recovery mechanisms, including returns on and of debt and equity capital investment;
•our ability to meet renewable energy and energy efficiency mandates and recover related costs;



•the ability of APS to achieve its clean energy goals (including a goal by 2050 of 100% clean, carbon-free electricity) and, if these goals are achieved, the impact of such achievement on APS, its customers, and its business, financial condition, and results of operations;
•risks inherent in the operation of nuclear facilities, including spent fuel disposal uncertainty;
•current and future economic conditions in Arizona;
•the direct or indirect effect on our facilities or business from cybersecurity threats or intrusions, data security breaches, terrorist attack, physical attack, severe storms, or other catastrophic events, such as fires, explosions, pandemic health events or similar occurrences;
•the development of new technologies which may affect electric sales or delivery, including as a result of delays in the development and application of new technologies;
•the cost of debt, including increased cost as a result of rising interest rates, and equity capital and the ability to access capital markets when required;
•environmental, economic, and other concerns surrounding coal-fired generation, including regulation of GHG emissions;
•volatile fuel and purchased power costs;
•the investment performance of the assets of our nuclear decommissioning trust, pension, and other postretirement benefit plans and the resulting impact on future funding requirements;
•the liquidity of wholesale power markets and the use of derivative contracts in our business;
•potential shortfalls in insurance coverage;
•new accounting requirements or new interpretations of existing requirements;
•generation, transmission and distribution facility and system conditions and operating costs;
•the ability to meet the anticipated future need for additional generation and associated transmission facilities in our region;
•the willingness or ability of our counterparties, power plant participants and power plant landowners to meet contractual or other obligations or extend the rights for continued power plant operations; and
•restrictions on dividends or other provisions in our credit agreements and Arizona Corporation Commission orders.

These and other factors discussed in the most recent Pinnacle West/APS Form 10-K along with other public filings with the Securities and Exchange commission, which readers should review carefully before placing any reliance on our financial statements or disclosures. Neither Pinnacle West nor APS assumes any obligation to update these statements, even if our internal estimates change, except as required by law.

# # #







PINNACLE WEST CAPITAL CORPORATION
CONSOLIDATED STATEMENTS OF INCOME
(unaudited)
(dollars and shares in thousands, except per share amounts)
THREE MONTHS ENDED TWELVE MONTHS ENDED
DECEMBER 31, DECEMBER 31,
2023 2022 2023 2022
Operating Revenues $ 991,574  $ 1,009,314  $ 4,695,991  $ 4,324,385 
Operating Expenses
Fuel and purchased power 375,879  455,316  1,792,657  1,629,343 
Operations and maintenance 281,388  271,680  1,058,725  987,072 
Depreciation and amortization 203,598  189,704  794,043  753,195 
Taxes other than income taxes 56,064  54,779  224,013  220,370 
Other expenses 265  1,084  1,913  2,494 
Total 917,194  972,563  3,871,351  3,592,474 
Operating Income 74,380  36,751  824,640  731,911 
Other Income (Deductions)
Allowance for equity funds used during construction 13,047  14,297  53,118  45,263 
Pension and other postretirement non-service credits - net 10,135  24,748  40,648  98,487 
Other income 5,242  2,311  33,666  7,916 
Other expense (9,140) (37,634) (25,056) (52,385)
Total 19,284  3,722  102,376  99,281 
Interest Expense
Interest charges 96,027  77,892  374,887  283,569 
Allowance for borrowed funds used during construction (9,433) (8,983) (43,564) (28,030)
Total 86,594  68,909  331,323  255,539 
Income (loss) Before Income Taxes 2,787  (8,750) 595,693  575,653 
Income Taxes 4,283  (19,686) 76,912  74,827 
Net Income (loss) 4,283  (19,686) 518,781  500,826 
Less: Net income attributable to noncontrolling interests 4,306  4,306  17,224  17,224 
Net Income (loss) Attributable To Common Shareholders $ (23) $ (23,992) $ 501,557  $ 483,602 
Weighted-Average Common Shares Outstanding - Basic 113,534  113,298  113,442  113,196 
Weighted-Average Common Shares Outstanding - Diluted 114,060  113,535  113,804  113,416 
Earnings Per Weighted-Average Common Share Outstanding
Net income (loss) attributable to common shareholders - basic $ —  $ (0.21) $ 4.42  $ 4.27 
Net income (loss) attributable to common shareholders - diluted $ —  $ (0.21) $ 4.41  $ 4.26 

EX-99.2 3 q4_2023xearningsxfinal.htm EX-99.2 q4_2023xearningsxfinal
Renewed, Reliable and Resilient Fourth-Quarter and Full-Year 2023 Financial Results, and Future Outlook February 27, 2024


 
2 This presentation contains forward-looking statements based on current expectations, including statements regarding our earnings guidance and financial outlook and goals. These forward-looking statements are often identified by words such as “estimate,” “predict,” “may,” “believe,” “plan,” “expect,” “require,” “intend,” “assume,” “project,” "anticipate," "goal," "seek," "strategy," "likely," "should," "will," "could," and similar words. Because actual results may differ materially from expectations, we caution you not to place undue reliance on these statements. A number of factors could cause future results to differ materially from historical results, or from outcomes currently expected or sought by Pinnacle West or APS. These factors include, but are not limited to: uncertainties associated with the current and future economic environment, including economic growth rates, labor market conditions, inflation, supply chain delays, increased expenses, volatile capital markets, or other unpredictable effects; our ability to manage capital expenditures and operations and maintenance costs while maintaining reliability and customer service levels; variations in demand for electricity, including those due to weather, seasonality (including large increases in ambient temperatures), the general economy or social conditions, customer, and sales growth (or decline), the effects of energy conservation measures and distributed generation, and technological advancements; the potential effects of climate change on our electric system, including as a result of weather extremes such as prolonged drought and high temperature variations in the area where APS conducts its business; power plant and transmission system performance and outages; competition in retail and wholesale power markets; regulatory and judicial decisions, developments, and proceedings; new legislation, ballot initiatives and regulation or interpretations of existing legislation or regulations, including those relating to environmental requirements, regulatory and energy policy, nuclear plant operations and potential deregulation of retail electric markets; fuel and water supply availability; our ability to achieve timely and adequate rate recovery of our costs through our rates and adjustor recovery mechanisms, including returns on and of debt and equity capital investment; our ability to meet renewable energy and energy efficiency mandates and recover related costs; the ability of APS to achieve its clean energy goals (including a goal by 2050 of 100% clean, carbon-free electricity) and, if these goals are achieved, the impact of such achievement on APS, its customers, and its business, financial condition, and results of operations; risks inherent in the operation of nuclear facilities, including spent fuel disposal uncertainty; current and future economic conditions in Arizona; the direct or indirect effect on our facilities or business from cybersecurity threats or intrusions, data security breaches, terrorist attack, physical attack, severe storms, or other catastrophic events, such as fires, explosions, pandemic health events or similar occurrences; the development of new technologies which may affect electric sales or delivery, including as a result of delays in the development and application of new technologies; the cost of debt, including increased cost as a result of rising interest rates, and equity capital and the ability to access capital markets when required; environmental, economic, and other concerns surrounding coal-fired generation, including regulation of GHG emissions; volatile fuel and purchased power costs; the investment performance of the assets of our nuclear decommissioning trust, pension, and other postretirement benefit plans and the resulting impact on future funding requirements; the liquidity of wholesale power markets and the use of derivative contracts in our business; potential shortfalls in insurance coverage; new accounting requirements or new interpretations of existing requirements; generation, transmission and distribution facility and system conditions and operating costs; the ability to meet the anticipated future need for additional generation and associated transmission facilities in our region; the willingness or ability of our counterparties, power plant participants and power plant landowners to meet contractual or other obligations or extend the rights for continued power plant operations; and restrictions on dividends or other provisions in our credit agreements and ACC orders. These and other factors are discussed in the most recent Pinnacle West/APS Form 10-K along with other public filings with the Securities and Exchange Commission, which you should review carefully before placing any reliance on our financial statements, disclosures or earnings outlook. Neither Pinnacle West nor APS assumes any obligation to update these statements, even if our internal estimates change, except as required by law. In this presentation, references to net income and earnings per share (EPS) refer to amounts attributable to common shareholders. Forward Looking Statements


 
1. Fourth-Quarter & Full-Year 2023 Financial Results 2. Accomplished Previous Goals & 2022 Rate Case Outcome 3. Growth Outlook & Energy Future 4. Financial Outlook Update Table of Contents


 
Fourth-Quarter & Full-Year Financial Results


 
Operating Revenue less Fuel and Purchased Power Sales/Usage $ 0.11 LFCR $ 0.09 Transmission $ 0.09 2019 GRC Appeal Outcome $ 0.08 RES/DSM/EIS/PSA (Chemicals) $ 0.04 4Q 2022 4Q 2023 1 Includes costs and offsetting operating revenues associated with renewable energy and demand side management programs, see slide 44 for more information. Operating Revenue less Fuel and Purchased Power1 O&M1 D&A Pension & OPEB non- service credits, net Interest, net AFUDC Other, net Income & other taxes Other, net Prior year Clear Creek impairment charge $ 0.11 Prior year Donations & Corporate Giving $ 0.08 PSA Interest $ 0.03 Miscellaneous & all other/rounding $ (0.01) 5 Fourth-Quarter results


 
Operating Revenue less Fuel and Purchased Power LFCR $ 0.36 RES/DSM/EIS/PSA (Chemicals) $ 0.24 Weather $ 0.22 2019 GRC Appeal Outcome $ 0.22 Transmission $ 0.17 Sales/Usage $ 0.16 Other $ (0.01) 1 Includes costs and offsetting operating revenues associated with renewable energy and demand side management programs, see slide 44 for more information. Operating Revenue less Fuel and Purchased Power1 O&M1 D&A Pension & OPEB non- service credits, net Interest, net AFUDC Other, net Income taxes Other taxes Other, net BCE sale and prior year Clear Creek charge $ 0.16 PSA Interest $ 0.12 Prior year Donations & Corporate Giving $ 0.08 All other $ (0.03) 6 2022 2023 2023 EPS lifted by record-breaking weather


 
Accomplished Previous Goals & 2022 Rate Case Outcome


 
✓ Improved customer experience ➢ From 4th quartile in 2021 to 2nd quartile in 2023 J.D. Power Residential and Business Survey ✓ Top quartile reliability for 10 of the last 11 years ✓ Successfully appealed 2019 rate case ✓ Improved relationships and developed a supportive regulatory environment ➢ Constructive decisions from ACC (Power Supply Adjuster, 2019 Rate Case appeal outcome, 2022 Rate Case) ✓ Achieved an improved ROE of 9.55% and 0.25% FVI with a new generation capital rider ✓ Deferred equity issuance until post-rate case to limit dilution ✓ Continued to grow dividend during financial reset 8 Accomplished previous goals set during the financial reset


 
Return on Equity 9.55% Fair Value Increment 0.25% Equity Ratio 51.93% Post Test-Year Plant 12 months + Four Corners ELG New Capital Tracking Mechanism System Reliability Benefit surcharge approved Existing Adjustors • Partial transfer of LFCR funds to base rates • PSA annual cap increase approved Total Base Rate Increase $491.7M Total Net Increase $253.4M Customer Net Impact on Day 1 8% 9 Key Components of Final Decision The 2022 rate case outcome was reasonable and constructive


 
Growth Outlook & Energy Future


 
1. Rapidly growing service territory with a diverse customer base 2. An improved regulatory environment 3. Making progress toward our clean energy commitment 4. Tremendous opportunities in transmission growth 5. Continue to focus on customer affordability and have a customer centric strategy 11 KEY REASONS We are focused on solid execution and are optimistic for the future


 
2.1% 2.3% 2.4% 2.2% 2.1% 1.5%-2.5% 0% 1% 2% 3% 2019 2020 2021 2022 2023 2024E Residential Customer Growth1 APS Residential Growth Natn'l Avg.-Residential 12 • Latest census data places Maricopa County as the fastest-growing county in the nation with the most net domestic migration • Phoenix housing is affordable compared to major cities in the region • Phoenix is ranked #1 out of 15 top growth markets for manufacturing by Newmark Group, a global real estate firm • Maricopa County leads the nation in attracting talent according to Lightcast, a global leader in labor market analytics Arizona economy continues to be robust and attractive 1 National average from 2023 Itron Annual Energy Survey Report. Arizona continues to be an attractive service territory with strong customer growth REASON #1


 
• Infrastructure ─ close proximity to major markets in the West with accessibility by rail or truck • Weather predictability ─ low propensity for natural disasters and greatest solar irradiance in America • Workforce availability ─ three major universities graduating a skilled labor force • Affordability ─ business friendly policies and regulation • Clean Energy ─ IRA support for clean energy generation • Accounts for 3%-5% of the 4%-6% long-term weather normalized sales growth guidance • Amplifier effect for jobs and surrounding communities leading to residential growth • Increased sales help spread fixed costs and maintain rate affordability for all customers Large C&I customers as a growth driver Arizona is an attractive location for business growth Best-in-class service territory supports high tech growth and economic development REASON #1 13


 
Source: Arizona Commerce Authority 14 Arizona’s commercial and industrial growth is diverse REASON #1


 
• Balanced, constructive and more consistent outcomes, including improved ROE to APS • Establishment of Regulatory Lag docket • Reaffirmation of Rate Case Settlement Policy • Continued support of adjustor mechanisms to improve cost recovery, including SRB 15 Commitments by the Company • Sustain investment in customer experience improvements • Continue to find alignment with regulators and work with stakeholders on common issues • Advocate for reduced regulatory lag • Focus on customer affordability Improvements at the Arizona Corporation Commission We have an improved regulatory environment REASON #2


 
Progress Pathway 2005 2019 2030 2050 Since 2020, have contracted over 4,900 MW of clean energy and storage to be in service for APS customers by end of 2025 Issued 2023 All-Source RFP for approximately 1,000 MW of reliable capacity, including at least 700 MW of renewable resources Successfully received approval of the System Reliability Benefit Surcharge that will expand our capacity to self-build generation to meet customer need with reduced lag 24% 50% 65% 100% 16 We are making progress towards our Clean Energy Commitment REASON #3


 
Source: APS 2024-2033 Ten Year Transmission System Plan Support customer growth Access to markets Increase resiliency 17 Estimated total investment opportunities of more than $5 billion over the next ten years Future Transmission Projects Line Length (miles) Voltage Est. In-Service Sundance to Pinal Central & Pinal Central to Milligan 7 + 15 230 kV 2027 Ocotillo to Pinnacle Peak 25 230 kV 2031 Panda to Freedom 40 230 kV 2031 Jojoba to Rudd 25 500 kV 2032 Four Corners to Pinnacle Peak 290 (x2) 345 kV 2035 Transmission expansion will drive increased capital investment REASON #4


 
Improved J.D. Power Customer Satisfaction Survey Rankings Key Areas of Focus • Process improvements and preventative maintenance to reduce operating costs • Innovative customer programs to help customers save energy and money • Inflation Reduction Act tax credits and lending programs 2021 2023 Residential Customers 4th Quartile ↑ 2nd Quartile Business Customers 4th Quartile ↑ 2nd Quartile 18 3.68% 5.07% 2.61% 0% 6% 2018 2019 2020 2021 2022 2023 2024E Average annual % change 2018-20241 CPI CPI (PHX) APS Rates APS rates have remained well below the rate of inflation 1 Includes 2024 estimates of 2.4% CPI, 2.6% CPI(PHX) & APS rate case outcome We are focused on maintaining customer affordability and increasing customer satisfaction REASON #5


 
Future Financial Outlook


 
$0.48 Weather 2024 vs 2023 Operating Revenue less Fuel and Purchased Power Net Effect of 2022 GRC $ 1.33 Retail Sales Growth $ 0.26 LFCR/2019 GRC appeal outcome $ 0.11 RES/DSM/PSA (Chemicals) $ 0.08 Other $ 0.02 Transmission $ (0.05) Weather $ (0.48) All other BCE Sale $ 0.10 Pension & OPEB non-service credits, net $ 0.01 Other, net $ (0.04) Miscellaneous & rounding $ (0.04) $1.27 Operating Revenue less Fuel and Purchased Power1 $(0.14) O&M1 $(0.47) D&A $(0.08) Other taxes $(0.32) Interest, net AFUDC $0.03 All other 2023 2024 (midpoint) $4.70 $4.41 1 Includes costs and offsetting operating revenues associated with renewable energy and demand side management programs, see slide 44 for more information. 20 2024 EPS Guidance of $4.60 - $4.80


 
2024 EPS guidance of $4.60-$4.80 key drivers1  New rates in effect March 8, 2024  Depreciation, amortization and property taxes due to higher plant in service  Retail customer growth of 1.5%-2.5%  2024 normal weather  Weather-normalized retail electricity sales growth of 2.0%-4.0% (includes 2.5%- 3.5% from large C&I)  Financing costs  LFCR & 2019 GRC appeal outcome  Operations and maintenance  BCE sale Long-term guidance and key drivers • Long-term EPS growth target of 5%-7% off 2024 midpoint • Retail customer growth of 1.5%-2.5% • Weather-normalized retail electricity sales growth of 4%-6% (includes 3%-5% from large C&I customers) 0.8% 4.2% 2.4% 1.5% 2.0%-4.0% 0% 1% 2% 3% 4% 5% 6% '20 '21 '22 '23 '24E Total Sales Growth 21 1 Arrows represent expected comparative year-over-year impact of each driver on earnings. Key drivers for 2024 EPS guidance


 
1. Long-term EPS growth of 5%-7% off 2024 base, supporting competitive total shareholder return 2. Optimized capital plan to reliably serve growing service territory, driving strong rate base growth and supported by SRB 3. Managing a healthy capital structure with accretive equity to support investment 4. Declining O&M per MWh with focus on customer affordability 5. Competitive shareholder dividend 6. Solid balance sheet and credit ratings 22 Our investor goals going forward


 
Potential drivers for more consistent and timely cost recovery EPS Growth off 2024 5%-7% CAGR • Reduction of regulatory lag including exploration of alternative rate-making structures • Rate case cadence and potential settlement of future rate cases • Continued support of adjustor mechanisms • Continued economic development driving sales and customer growth • Continued cost management 23 GOAL #1 Long-term outlook potential remains solid


 
$6.85B $7.80B 2022-2025E 2023-2026E CapEx Profile $233 $285 $280 $385 $572 $565 $550 $590 $361 $340 $415 $420 $634 $760 $755 $655 2023 2024E 2025E 2026E APS Total 2024-2026 $6.0B Generation Transmission Distribution Other $1.80B $1.95B $2.00B $2.05B Source: 2024-2026 as disclosed in the 2023 Form 10-K One year ago Today 24 Capital plan to support reliability and continued service territory growth GOAL #2


 
25 • Projects that compete on cost and reliability from All-Source Request for Proposals • Determines prudency of new generation between general rate cases • Included in rates approximately 180 days after in service with Commission approval • Recovery at prevailing WACC less 100bps until future rate case • Traditional AFUDC treatment until asset is in service System Reliability Benefit Surcharge Key Features Near term SRB Opportunities Project MWs Est. In-Service Agave BESS (Phase I) 150 2026 Sundance Expansion 90 2026 Ironwood Solar 168 2026 Agave BESS (Phase II) 150 2027 Redhawk Expansion 327 2028 Projects represent ~42% of IRP forecasted incremental installed utility scale capacity over 2025-2028 SRB will expand our capacity to self build generation to meet customer need with reduced lag GOAL #2


 
Current Approved Rate Base and Test Year Detail End-of-Year Rate Base and Growth Guidance ACC FERC Rate Effective Date 03/08/2024 6/1/2023 Test Year Ended 6/30/20221 12/31/2022 Equity Layer 51.93% 50.3% Allowed ROE 9.55% 10.75% Rate Base $10.36B2 $2.0B $9.92 $13.5 $2.01 $2.6 2022 2023 2024 2025 2026 ACC FERC 26 Rate base $ in billions, rounded Projected 1 Derived from APS annual update of formula transmission service rates. 2 Represents unadjusted ACC jurisdictional rate base consistent with regulatory filings. 1 Adjusted to include post-test year plant in service through 06/30/2023. 2 Rate Base excludes $215M approved through Joint Resolution in Case No. E-01345A-19-0236. Generation spend through System Reliability Benefit Surcharge and transmission spend will total ~35% of tracked capital from 2024-2026 and help reduce regulatory lag Rate Base growing with our service territory GOAL #2


 
$500M Deferred Equity Need $100M-$200M Incremental Cap Structure Need Approx. $3B Cash from Operations1 APS Debt2 PNW Debt2 Future PNW Capital Total Capital Investment $1.7B-$1.9B $200M-400M Approx. $400M 1 Cash from operations is net of shareholder dividends. 2 APS and PNW debt issuance is net of maturities. • External equity to support balanced APS capital structure and expanded, accretive investment • Deferred capital structure need from end of 2019 rate case upsized modestly to true-up capital structure to targeted range • Enhanced capex plan will require future financing matched to spend profile through 2026 (~40% of incremental capex in plan) • Tools available for future capital need include ATM and alternatives (e.g., hybrid securities) Funding Strategy 2024-2026 Financing Plan $600M-700M Approx. $6B PNW Equity 27 Optimized financing plan to support balanced capital structure GOAL #3


 
$886 $865-$875 $127 $125-$135 $46 $75-$85 2023 2024 O&M Guidance (millions) Planned Outages RES/DSM Core O&M 28 Operations & Maintenance Guidance • Reduced year-over-year core O&M excluding planned outages • Final planned major outage in Q4 2024 at Four Corners Unit 5 • Unit 4 final planned major outage in 2025 • Lean culture and declining O&M per MWh goal We are focused on cost control and customer affordability GOAL #4


 
3.50% 4.94% 1.86% 2017 2018 2019 2020 2021 2022 2023 2024E Average annual % change 2017-20241 CPI CPI (PHX) PNW O&M 29 1 Includes 2024 estimates of 2.4% CPI, 2.6% CPI(PHX) & Company O&M guidance.1 O&M amounts, as adjusted, exclude RES/DSM of $127M and include planned outage amounts of $46M in 2023. For reconciliation, see slide 44. $30 2023 PNW O&M (as adjusted) per MWh1 O&M per MWh Weather Normalized Sales (MWh) Long term goal remains declining O&M per MWh GOAL #4


 
$2.38 $3.52 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 Annualized Dividends per Share ~4.5% DPS CAGR Dividend Targets • Long-term dividend growth • Attractive ~5% dividend yield • Managing long-term dividend payout ratio into sustained 65-75% 30 1 Future dividends are subject to declaration at Board of Directors’ discretion. We have a proven dividend growth track record 1 GOAL #5


 
Balance Sheet Targets • Solid investment-grade credit ratings • APS equity layer >50% • PNW FFO/Debt range of 14%-16% Corporate Ratings Senior Unsecured Ratings Short-Term Ratings Outlook APS Moody’s A3 A3 P-2 Negative S&P BBB+ BBB+ A-2 Negative Fitch BBB+ A- F2 Negative Pinnacle West Moody’s Baa1 Baa1 P-2 Negative S&P BBB+ BBB A-2 Negative Fitch BBB+ BBB+ F2 Negative 31 1 We are disclosing credit ratings to enhance understanding of our sources of liquidity and the effects of our ratings on our costs of funds. Ratings are as of February 15, 2024. We are focused on maintaining healthy credit ratings to support affordable growth1 GOAL #6


 
$0 $200 $400 $600 $800 $1,000 $1,200 2023 2025 2027 2029 2031 2033 2035 2037 2039 2041 2043 2045 2047 2049 APS Fixed APS Floating PNW Fixed PNW Floating($millions) As of December 31, 2023 32 Debt maturity profile shows well managed and stable financing plan GOAL #6


 
33 • Service territory is one of the fastest growing in the nation with a diverse customer base • Improved regulatory environment with focus on reducing regulatory lag • Strong customer centric strategy with improving J.D. Power survey scores • Proven track record of efficient O&M practices and focus on customer affordability • Solid balance sheet and well managed financing plan • Attractive financial growth profile building off 2024 midpoint We have a stable foundation with solid execution going forward IN SUMMARY


 
Thank You Questions & Answers


 
Appendix


 
Key Facts as of Dec. 31, 2023 Consolidated assets $25B Market cap $8.15B Generating capacity owned or leased (year end) 6.5GW Customers 1.4M Current % from clean energy 51% Retail Sales Mix (Non-Residential/Residential) 51%/49% Service Territory 36 Arizona’s Largest Electric Company


 
Key Factors and Assumptions (as of February 27, 2024) 2024 Adjusted gross margin (operating revenues, net of fuel and purchased power expenses, x/RES,DSM,CCT)1 $2.93 – $3.00 billion • Retail customer growth of 1.5%-2.5% • Weather-normalized retail electricity sales growth of 2.0%-4.0% • Includes 2.5%-3.5% contribution to sales growth of new large manufacturing facilities and several large data centers • Assumes normal weather Adjusted operating and maintenance expense (O&M x/RES,DSM,CCT)1 $940 – $960 million Other operating expenses (depreciation and amortization, and taxes other than income taxes) $1.09 – $1.11 billion Other income (pension and other post-retirement non-service credits, other income and other expense) $58 – $64 million Interest expense, net of allowance for borrowed and equity funds used during construction (Total AFUDC ~$96 million) $320 – $340 million Net income attributable to noncontrolling interests $17 million Effective tax rate 13.75% – 14.25% Average diluted common shares outstanding 114.9 million EPS Guidance $4.60 – $4.80 1 Excludes costs and offsetting operating revenues associated with renewable energy and demand side management programs. For reconciliation, see slide 44. 37 2024 EPS guidance


 
Case/Docket # Q1 Q2 Q3 Q4 2022 Rate Case: E-01345A-22-0144 Open Meeting completed on February 22 Power Supply Adjustor (PSA) E-01345A-22-0014: 2024 PSA Rate Effective date (no change from 2023) Transmission Cost Adjustor E-01345A-22-0014: To be filed May 15; effective June 1 Environmental Improvement Surcharge E-01345A-19-0236: EIS eliminated in 2022 Rate Case Decision Lost Fixed Cost Recovery E-01345A-23-0228: 2023 LFCR effective March (if approved) 2024 LFCR to be filed July 31 2024 LFCR effective date Nov. 1 (if approved) Resource Planning and Procurement: E-99999A-22-0046 Anticipated 2023 IRP acknowledgment 2024 DSM/EE Implementation Plan E-01345A-23-0088: 2025 Plan to be filed May 31 2024 RES Implementation Plan E-01345A-23-0193: 2024 REAC-1 effective (if approved) 2025 Plan to be filed July 1 Resource Comparison Proxy E-01345A-24-XXXX (TBD): To be filed May 1 Effective Sep. 1 (if approved) Test Year Rules (Regulatory Lag) AU-00000A-23-0012: Workshop on March 19th 38 2024 Key Regulatory Dates


 
0 500 1,000 1,500 2,000 2,500 3,000 3,500 4,000 4,500 5,000 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2020 Applications 2021 Applications 2022 Applications 2023 Applications 139 169 200 216 2020 2021 2022 2023 1 Monthly data equals applications received minus cancelled applications. As of December 31, 2023, approximately 175,113 residential grid-tied solar photovoltaic (PV) systems have been installed in APS’s service territory, totaling approximately 1,550 MWdc of installed capacity. Excludes APS Solar Partner Program, APS Solar Communities, and Flagstaff Community Partnership Program. Note: www.arizonagoessolar.org logs total residential application volume, including cancellations. Residential DG (MWdc) Annual Additions 39 Residential PV Applications


 
$10 $4 $12 $11 $15 $9 $16 $15 $13 $16 $18 $11 $18 $21 $20 $12 $0 $5 $10 $15 $20 $25 $30 $35 $40 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Renewable Energy Demand Side Management 2022 $95 Million 2023 $127 Million 1Renewable Energy and Demand Side Management expenses are substantially offset by adjustment mechanisms. Numbers may not foot due to rounding. ($ in millions pretax) 40 Renewable Energy & Demand Side Management expenses1


 
$15 ($17) $67 $8 Q1 Q2 Q3 Q4 Variances vs. Normal All periods recalculated to current 10-year rolling average (2012 – 2021). Numbers may not foot due to rounding. ($ in millions pretax) 2023 Total Weather Impact: $73 Million 41 2023 gross margin effects of weather


 
Climate Resiliency • Wildfire preparedness and prevention • Reduction of carbon and retirement of over 1,000 MW of coal • Focus on reliability and affordability through All-Source RFPs Company Actions • 42% of new hires in 2023 were racially or ethnically diverse • 35% of new hires in 2023 were female • 39% of all officers are female • 72% of water consumed by APS power plants in 2023 came from effluent water • Projected to be 79% by 2025 and 95% by 2035 Governance Actions • 45% of independent directors are gender or ethnically diverse • Board oversight of strategy and risk 42 We are stewards of a more sustainable Arizona


 
Q2 Plant Unit Estimated Duration in Days West Phoenix CC5 18 Palo Verde 3 36 Q1 Plant Unit Estimated Duration in Days Redhawk CC1 66 West Phoenix CC5 71 Q4 Plant Unit Estimated Duration in Days Palo Verde 2 36 Four Corners 5 66 Coal, Nuclear and Large Gas Planned Outages 43 2024 Planned Outage Schedule


 
2023 Actuals4 2024 Guidance4 Operating revenues1 $4.70 billion $4.92 - $5.02 billion Fuel and purchased power expenses1 $1.79 billion $1.85 - $1.89 billion Gross Margin $2.90 billion $3.06 - $3.13 billion Adjustments: Renewable energy and demand side management programs2 $129 million $125 - $135 million Adjusted gross margin $2.77 billion $2.93 - $3.00 billion Operations and maintenance1,3 $1.06 billion $1.07 - $1.09 billion Adjustments: Renewable energy and demand side management programs2 $127 million $125 - $135 million Adjusted operations and maintenance $932 million $940 - $960 million 44 1Line items from Consolidated Statements of Income. 2Includes $3.3M for CCT (Coal Community Transition) in 2023 and $3.3M in 2024 which is recovered through REAC (Renewable Energy Adjustment Charge). 3O&M per MWh was $35/MWh in 2023. 4Numbers may not foot due to rounding. Non-GAAP Measure Reconciliation


 
45 3 Months Ended December 31, 12 Months Ended December 31, 2023 2022 Incr (Decr) 2023 2022 Incr (Decr) ELECTRIC OPERATING REVENUES (Dollars in Millions) Retail Residential $ 454 $ 398 56 $ 2,289 $ 2,046 $ 243 Business 476 397 79 2,048 1,768 281 Total Retail 930 796 135 4,338 3,814 524 Sales for Resale (Wholesale) 28 185 (156) 209 383 (174) Transmission for Others 30 25 5 139 117 22 Other Miscellaneous Services 3 4 (1) 11 11 (0) Total Operating Revenues $ 992 $ 1,009 (18) $ 4,696 $ 4,324 $ 372 ELECTRIC SALES (GWH) Retail Residential 2,918 2,933 (14) 14,948 14,757 191 Business 3,952 3,664 288 16,422 15,765 657 Total Retail 6,870 6,597 273 31,370 30,522 848 Sales for Resale (Wholesale) 679 1,467 (788) 4,171 4,070 101 Total Electric Sales 7,549 8,064 (515) 35,541 34,592 949 RETAIL SALES (GWH) - WEATHER NORMALIZED Residential 2,871 2,833 38 14,328 14,391 (63) Business 3,913 3,691 223 16,247 15,733 514 Total Retail Sales 6,784 6,524 261 30,576 30,124 452 Retail sales (GWH) (% over prior year) 4.0% 1.2% 1.5% 2.4% AVERAGE ELECTRIC CUSTOMERS Retail Customers Residential 1,239,306 1,214,164 25,142 1,228,022 1,202,975 25,047 Business 143,382 142,031 1,351 142,908 141,385 1,523 Total Retail 1,382,688 1,356,195 26,493 1,370,930 1,344,359 26,571 Wholesale Customers 55 55 1 56 55 2 Total Customers 1,382,743 1,356,249 26,494 1,370,986 1,344,414 26,572 Total Customer Growth (% over prior year) 2.0% 2.1% 2.0% 2.1% RETAIL USAGE - WEATHER NORMALIZED (KWh/Average Customer) Residential 2,316 2,333 (17) 11,668 11,963 (295) Business 27,293 25,986 1,308 113,691 111,279 2,412 Consolidated Statistics


 
46 3 Months Ended December 31, 12 Months Ended December 31, 2023 2022 Incr (Decr) 2023 2022 Incr (Decr) ENERGY SOURCES (GWH) Generation Production Nuclear 2,229 2,212 17 9,250 9,332 (82) Coal 1,223 2,578 (1,354) 6,548 8,830 (2,282) Gas, Oil and Other 2,247 2,319 (73) 9,047 8,770 276 Renewables 204 98 106 730 550 180 Total Generation Production 5,902 7,207 (1,304) 25,575 27,483 (1,908) Purchased Power Conventional 1,296 514 782 7,137 4,807 2,330 Resales 108 150 (42) 1,332 1,431 (100) Renewables 632 552 80 2,779 2,307 472 Total Purchased Power 2,036 1,216 820 11,248 8,545 2,702 Total Energy Sources 7,938 8,422 (484) 36,823 36,028 795 POWER PLANT PERFORMANCE Capacity Factors - Owned Nuclear 88% 87% 1% 92% 93% (1)% Coal 41% 86% (45)% 55% 74% (19)% Gas, Oil and Other 28% 29% (1)% 29% 28% 1% Solar 40% 19% 21% 36% 27% 9% System Average 42% 52% (10)% 46% 50% (4)% 3 Months Ended December 31, 12 Months Ended December 31, 2023 2022 Incr (Decr) 2023 2022 Incr (Decr) WEATHER INDICATORS - RESIDENTIAL Actual Cooling Degree-Days 112 56 56 2,158 1,892 266 Heating Degree-Days 178 454 (276) 878 908 (30) Average Humidity 22% 33% (11)% 21% 29% (8)% 10-Year Averages (2012 - 2021) Cooling Degree-Days 41 41 - 1,795 1,795 - Heating Degree-Days 314 314 - 751 751 - Average Humidity 29% 29% - 26% 26% - Consolidated Statistics