Company facts
- Industry
- Electric Services
- Headquarters
- Phoenix, Arizona
- Most recent report
- 8-K, filed Nov 6, 2026
- Incorporated
- Arizona
- Filings on record
- 1,004+ filings
- On EDGAR
- CIK 764622
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 44
News 8 of 251
- 8-K Current report on a material event Nov 6, 2026
- 8-K Quarterly results Nov 3, 2026
- 8-K Current report on a material event Sep 30, 2026
- 8-K Current report on a material event Sep 4, 2026
- 8-K Current report on a material event Aug 13, 2026
- 8-K Current report on a material event Aug 7, 2026
- 8-K Significant contract Aug 4, 2026
- 8-K Quarterly results Aug 4, 2026
Prospectuses and Registrations 8 of 29
- 424B5 Prospectus supplement for an offering Aug 4, 2026
- 424B5 Prospectus supplement for an offering Jun 5, 2026
- 424B5 Prospectus supplement for an offering Jun 2, 2026
- FWP Free writing prospectus Jun 1, 2026
- 424B5 Prospectus supplement for an offering Jun 1, 2026
- S-8 POS Post-effective amendment to an employee plan registration Mar 25, 2026
- 424B2 Prospectus supplement for an offering May 13, 2025
- FWP Free writing prospectus May 12, 2025
Proxies 8 of 34
- DEFA14A Extra proxy material Apr 3, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 3, 2026
- DEFA14A Extra proxy material Apr 8, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 8, 2025
- PRE 14A Preliminary proxy statement Mar 6, 2025
- DEFA14A Extra proxy material May 6, 2024
- DEFA14A Extra proxy material Apr 4, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 4, 2024
Ownership 8 of 607
- 144 Notice of a proposed sale of restricted stock Nov 9, 2026
- SCHEDULE 13G Large holder reported a passive stake Aug 12, 2026
- 4 Insider reported a trade Aug 11, 2026
- 4 Insider reported a trade Aug 11, 2026
- 144 Notice of a proposed sale of restricted stock Aug 7, 2026
- 144 Notice of a proposed sale of restricted stock Aug 7, 2026
- 4 Insider reported a trade May 18, 2026
- 4 Insider reported a trade May 18, 2026
Other 8 of 39
- POSASR May 29, 2026
- ARS Annual report sent to shareholders Feb 25, 2026
- D/A Amended filing Dec 15, 2025
- 11-K Employee stock plan report Jun 11, 2025
- ARS Annual report sent to shareholders Feb 25, 2025
- D/A Amended filing Jan 8, 2025
- 11-K Employee stock plan report Jun 14, 2024
- ARS Annual report sent to shareholders Feb 27, 2024
What to read: Sep 2026 10-Q
SECSift found 2 of 10 sections worth reading, with 1 positive, 13 notable, and 0 negative flags.
Financial Statements (Item 1)
Financial statements and notes with material debt, equity, and regulatory developments.Notable- Nuclear PTC claimed $39.6M in 2025 and $33.4M in 2024, but recorded as uncertain tax positions pending IRS guidance.
- Issued $500M 4.65% notes (June 2026) and $600M 5.10% notes (March 2026) and $600M 6.25% notes (Aug 2026).
- APS submitted application to increase long-term debt limit from $9.5B to $12B; outcome uncertain.
- APS signed a 25-year DPC with TSMC Arizona for up to 1.88 GW, with upfront collateral starting Jan 2027.
- Fuel and purchased power commitments rose $4.8B from 2025 10-K, mainly due to gas tolling leases and new coal supply.
- Convertible Notes ($525M, 4.75%, due 2027) classified as current maturities; fair value $558M vs carrying $525M.
- El Dorado's equity method investments doubled to $60M; SAI ownership rose to 24% via share repurchases.
Management's Discussion (Item 2)
Rate case details, DPC with TSMC, large capex plan, and sales growth projections.Notable- APS filed for a $579.5M net base rate increase (13.99%) in the 2025 Rate Case; hearing concluded Jul 2026.
- Arizona Court of Appeals found GAC imposed without adequate notice; APS plans to appeal to state Supreme Court.
- APS signed a 25-year DPC with TSMC Arizona to serve up to 1.88 GW, with collateral starting Jan 2027.
- APS projects annual retail sales growth of 8-10% through 2030, driven by large manufacturing and data centers.
- Pinnacle West has an ATM program with $1.04B aggregate value and forward sale agreements from Feb 2024.
- Pinnacle West's debt-to-capitalization ratio was 61% as of Sep 30, 2026, below the 65% covenant limit.
What changed: Sep 2026 vs. Jun 2026
About 7% of PNW's Sep 2026 10-Q is new information. 52 paragraphs were added, 212 changed, and 62 removed. Below are the most important lines SECSift identified.
Changed
- Net income for three months ended September 30, 2026 was $434M, up $21M from $413M; prior filing covered three months ended June 30, 2026.
- Long-term debt less current maturities rose to $10,164,382 at Sep 30, 2026 from $9,205,676 at Dec 31, 2025.
- Net income attributable to common shareholders rose to $434,240 for Q3 2026 from $413,208 in Q3 2025.
- Operating revenues rose to $1,972,746 for Q3 2026 from $1,820,741 in Q3 2025.
- Inflation figures updated: CPI-U 3.4% nationally and 2.5% in Phoenix over 12 months ended August 2026, replacing 4.2% and 3.0% from prior filing.
- Exhibit 4.1 changed from Seventh Supplemental Indenture dated June 5, 2026 to Thirty-Fourth Supplemental Indenture dated August 13, 2026.
Everything here comes from Pinnacle West Capital Corp's own filings on SEC EDGAR. The filing list is rechecked every hour. SECSift analysis was completed on Nov 3, 2026, from the 10-Q for Sep 2026.