Pinnacle West Capital Corporation (PNW) SEC Filings & Earnings Calls

Regulatory lag and rate case outcomes could impact earnings growth.

“Reduction of regulatory lag including formula rates ... Rate case cadence and potential settlement of future rate cases” · word for word

Large equity issuance plan ($1.0B-$1.2B) could dilute existing shareholders.

“2026-2028 Financing Plan Approx. $8.0B $1.0B-$1.2B PNW Equity”

Regulatory and environmental risks are significant; rate recovery and climate change impacts are key uncertainties.

“Forward-looking statements highlight rate recovery, environmental laws, climate change, and wildfire risks.”

Data center growth and AI demand could drive load but also create forecasting challenges.

“Mention of data center growth (including AI) as a factor affecting demand.”

Fuel and purchased power cost volatility

“Fuel and purchased power 558,498 477,008 (Q2 2026 vs Q2 2025, +17.1%)” · word for word

Interest rate exposure

“Interest charges 133,601 113,527 (Q2 2026 vs Q2 2025, +17.7%)”

Regulatory lag risk

“our ability to achieve timely and adequate rate recovery of our costs through our regulated rates and adjustor recovery mechanisms” · word for word

Equity dilution for existing shareholders due to potential issuance of up to $500M in common stock.

“Equity Distribution Agreement to sell up to $500M of common stock.”

Forward sale agreements introduce complexity and potential cash settlement risk if not physically settled.

“If the Company elects to cash settle or net share settle a Forward Sale Agreement, it may not ... receive any proceeds, and the Company may owe cash ... to the relevant Forward Purchaser.” · word for word

EPS decline of 9.5% year-over-year driven by higher transmission costs and renewable energy program costs.

“EPS decreased from $1.58 to $1.43, with negative contributions from transmission (-$0.07) and RES/DSM (-$0.10).”

Potential dilution from ongoing ATM equity sales.

“Up to $270M of common stock may be sold, diluting existing shareholders.”

Extensive risk factors listed including regulatory, climate, wildfire, cybersecurity, and data center demand uncertainty.

“wildfires, including those arising as a result of climate change, extreme weather events, or the expansion of the wildland urban interface” · word for word

IRS examination uncertainty

“In March 2026, the IRS notified the Company of its intent to examine the Company's federal tax returns.” · word for word

Nuclear PTC uncertainty

“the entire amount of the 2024 and 2025 benefits is recorded as uncertain tax positions.” · word for word

Interest expense growth

“Interest charges 125,759 104,943 (+19.8% YoY)”

Operating cash flow decline

“Net cash provided by operating activities 235,296 401,895 (-41.4% YoY)” · word for word

Forward-looking statements subject to numerous risks including regulatory, environmental, and economic factors.

“Extensive cautionary statement listing risks: regulatory, climate, wildfires, cybersecurity, etc.”

Regulatory Lag

“This performance reflects a recognition that the rate case procedural schedule will extend through the entire year of 2026 and the Company continues to be challenged with regulatory lag during this period.” · word for word

Catastrophic Wildfire

“Increasing catastrophic wildfire risk is driven by a complex set of drivers like climate change, evolving demographics, growing wildland and urban interface, and land management practices.” · word for word

Customer Bill Pressure

“Top risks discussed by the Board and its committees in 2025 included: • Customer Bill Pressure” · word for word

Resource Adequacy

“Increase in load due to population growth and economic development in Arizona are creating a significant and urgent need for new resources.” · word for word

Wildfire Liability Risk

“Wildfire safety remains a critical focus for APS and other utilities. APS has increased investment in fire mitigation efforts” · word for word

Regulatory Lag Risk

“Regulatory lag may delay recovery and affect operating cash flows.” · word for word

Tariff Cost Pressure

“APS remains cautious of potential price increases as a result of current and proposed tariffs, which could lead to higher costs and supply chain constraints” · word for word

Weather and economic conditions could impact electricity demand and margins.

“Guidance assumes normal weather for balance of year; variations in demand due to weather, seasonality, and economic conditions.”

Regulatory and environmental compliance costs could pressure margins.

“Risk factors include regulatory decisions, environmental requirements, and clean energy goals.”

Regulatory Risk

“regulatory and judicial decisions, developments, and proceedings” · word for word

Climate/Weather Risk

“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” · word for word