PNW vs SO
PNW: A major vertically integrated electric utility company providing power to Arizona through its subsidiary, Arizona Public Service Company. SO: A diversified energy holding company providing regulated electric and natural gas service, as well as competitive wholesale power and energy solutions.
Side-by-side fundamentals
| Metric | PNW | SO | Edge |
|---|---|---|---|
| Price as of 2026-10-21 close | $103.89 | $90.39 | |
| Market cap | $12.6B | $104.0B | |
| P/E as of 2026-10-21 | 19.94 | 23.12 | PNW lower |
| PEG as of 2026-10-21, 3-year EPS CAGR to FY2025 | 3.42 | 3.65 | PNW lower |
| Net margin FY2025, SEC XBRL | +11.8% | +14.7% | SO higher |
| Operating margin FY2025, SEC XBRL | +20.0% | +24.7% | SO higher |
| ROE FY2025, SEC XBRL | +8.9% | +11.2% | SO higher |
| ROA FY2025, SEC XBRL | +2.1% | +2.8% | SO higher |
| Debt / equity | 1.62 | 1.87 | PNW lower |
| Revenue growth (YoY) FY2025, SEC XBRL | +4.2% | +10.6% | SO higher |
| Revenue CAGR (3y) SEC XBRL | +7.3% | +0.3% | PNW higher |
| Dividend yield as of 2026-09-02 | +3.9% | +3.6% | PNW higher |
| Dividend streak (yrs) SEC XBRL | 13 | 19 | SO higher |
| Beta as of 2026-09-02 | 0.14 | -0.04 | |
| 1-year return as of 2026-10-21 close | +12.6% | -6.8% | PNW higher |
Fundamentals: SEC XBRL company filings for the figures marked with a fiscal year, and market data, as of 2026-09-02 for the rest. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-10-21.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.