---
schema_version: "secwatch.filing_event.v1"
accession: "0000764622-26-000026"
form_type: "8-K"
ticker: null
cik: "0000007286"
company_name: "ARIZONA PUBLIC SERVICE CO"
filed_at: "2026-05-04T23:59:59+00:00"
generated_at: "2026-05-15T00:09:06.934424+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Pinnacle West swings to Q1 profit of $32.9M ($0.27/share) vs year-ago loss; guidance maintained

## Summary
- Net income of $32.9M ($0.27 diluted) vs net loss of $4.6M (-$0.04) in Q1 2025, a $38M improvement.
- Customer growth 2.2%; weather-normalized sales up 9.4%; warmer winter boosted usage.
- Higher transmission revenues and lower O&M expenses drove results, partly offset by higher interest and depreciation.
- 2026 weather-normalized EPS guidance reaffirmed at $4.55–$4.75 per share.

## SEC filing metadata
- accession: 0000764622-26-000026
- form_type: 8-K
- cik: 0000007286
- company_name: ARIZONA PUBLIC SERVICE CO
- filed_at: 2026-05-04T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/7286/000076462226000026/0000764622-26-000026-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/7286/000076462226000026/pnw-20260502.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000764622-26-000026
- JSON: https://secwatch.observer/filing/0000764622-26-000026.json
- Plain text: https://secwatch.observer/filing/0000764622-26-000026.txt

## Key facts
- Earnings Releases
  ARIZONA PUBLIC SERVICE CO reported the quarter ended March 31, 2026 results: net income $32.9 million, EPS $0.27 per diluted share. Guidance reaffirmed.
  - Period: the quarter ended March 31, 2026
  - Net income: $32.9 million
  - EPS: $0.27 per diluted share
  - Guidance: reaffirmed
  - Result: reported results
  source text: Pinnacle West Capital Corp. (NYSE: PNW) today reported consolidated net income attributable to common shareholders of $32.9 million, or $0.27 per diluted share of common stock, for the quarter ended March 31, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/7286/000076462226000026/0000764622-26-000026-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.