Pinnacle West Capital Corp. Files 8-K

Arizona Public Service Co 8-K Filing Summary
FieldDetail
CompanyArizona Public Service Co
Form Type8-K
Filed DateAug 15, 2025
Risk Levellow
Pages2
Reading Time3 min
Key Dollar Amounts$250,000,000, $700,000,000
Sentimentneutral

Sentiment: neutral

Topics: reporting, exhibits

Related Tickers: PNW

TL;DR

PNW filed a standard 8-K, mostly exhibits. Nothing major to see here.

AI Summary

Pinnacle West Capital Corp. (PNW) filed an 8-K on August 15, 2025, primarily to report financial statements and exhibits. The filing lists Arizona Public Service Co. as a subsidiary, which is involved in electric services. No specific financial figures or significant events were detailed in the provided excerpt.

Why It Matters

This filing indicates routine corporate reporting for Pinnacle West Capital Corp. and its subsidiary Arizona Public Service Co., providing transparency to investors.

Risk Assessment

Risk Level: low — The filing appears to be routine and does not disclose any new material risks or significant negative events.

Key Players & Entities

  • PINNACLE WEST CAPITAL CORP (company) — Filer
  • ARIZONA PUBLIC SERVICE CO (company) — Subsidiary
  • 400 NORTH FIFTH STREET (location) — Business Address
  • PHOENIX (location) — City
  • AZ (location) — State

FAQ

What is the primary purpose of this 8-K filing?

The primary purpose of this 8-K filing is to report financial statements and exhibits.

Who is the parent company filing this report?

The parent company filing this report is Pinnacle West Capital Corp.

What is the name of the subsidiary mentioned in the filing?

The subsidiary mentioned in the filing is Arizona Public Service Co.

On what date was this 8-K filed?

This 8-K was filed on August 15, 2025.

What is the Standard Industrial Classification for Arizona Public Service Co.?

The Standard Industrial Classification for Arizona Public Service Co. is ELECTRIC & OTHER SERVICES COMBINED [4931].

Filing Stats: 654 words · 3 min read · ~2 pages · Grade level 11.3 · Accepted 2025-08-15 16:03:50

Key Financial Figures

  • $250,000,000 — 025, in connection with the offering of $250,000,000 of 5.70% Notes due 2034 and $700,000,00
  • $700,000,000 — 250,000,000 of 5.70% Notes due 2034 and $700,000,000 of 5.90% Notes due 2055 4.1 Thirty-

Filing Documents

01. Financial Statements and Exhibits

Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The registrants hereby file the following Exhibits to Registration Statement on Form S-3 (No. 333-277448 and No. 333-277448-01, which became effective on February 28, 2024). Exhibit No. Description Previously Filed as Exhibit Date Filed 1.1 Underwriting Agreement dated August 12, 2025, in connection with the offering of $250,000,000 of 5.70% Notes due 2034 and $700,000,000 of 5.90% Notes due 2055 4.1 Thirty-First Supplemental Indenture relating to the issuance of $250,000,000 of 5.70% Notes due 2034 4.1 to Pinnacle West/APS May 9, 2024 Form 8-K Report 5/9/2024 4.2 Thirty-Second Supplemental Indenture relating to the issuance of $700,000,000 of 5.90% Notes due 2055 4.3 Note of 5.70% Notes due 2034 4.4 Note of 5.90% Notes due 2055 5.1 Opinion of Shirley A. Baum, Senior Vice President and General Counsel 99.1 Information relating to Item 14 of the Registration Statement on Form S-3 (No. 333-277448-01) 104 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) 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: August 15, 2025 By: /s/ Andrew Cooper Andrew Cooper Senior Vice President and Chief Financial Officer ARIZONA PUBLIC SERVICE COMPANY (Registrant) Dated: August 15, 2025 By: /s/ Andrew Cooper Andrew Cooper Senior Vice President and Chief Financial Officer

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