PNW vs SO
PNW: Arizona's largest electric utility company providing power generation, transmission, and distribution to 1.4 million customers across 11 counties, with a diverse portfolio anchored by nuclear and renewable energy. SO: A major Southeastern utility holding company providing diversified electric and natural gas service alongside wholesale power and infrastructure solutions.
Side-by-side fundamentals
| Metric | PNW | SO | Edge |
|---|---|---|---|
| Price as of 2026-07-22 close | $106.30 | $95.80 | |
| Market cap as of 2026-07-23 | $12.7B | $107.3B | |
| P/E as of 2026-07-23 | 19.47 | 24.59 | PNW lower |
| PEG as of 2026-07-23 | 2.99 | 2.62 | SO lower |
| Net margin as of 2026-07-23 | +12.0% | +15.1% | SO higher |
| Gross margin as of 2026-07-23 | n/a | +40.0% | |
| Operating margin as of 2026-07-23 | +20.9% | +25.2% | SO higher |
| ROE as of 2026-07-23 | +9.3% | +12.3% | SO higher |
| ROA as of 2026-07-23 | +2.2% | +2.8% | SO higher |
| Debt / equity as of 2026-07-23 | 1.56 | 2.01 | PNW lower |
| Revenue growth (YoY) as of 2026-07-23 | +4.8% | +8.7% | SO higher |
| Revenue CAGR (3y) SEC XBRL | +7.3% | +0.3% | PNW higher |
| Dividend yield as of 2026-07-23 | +3.4% | +3.2% | PNW higher |
| Dividend streak (yrs) SEC XBRL | 5 | 5 | Tie |
| Beta as of 2026-07-23 | 0.45 | 0.33 | |
| 1-year return as of 2026-07-22 close | +12.5% | -0.1% | PNW higher |
Fundamentals: Finnhub, as of 2026-07-23. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-22.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & Finnhub, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.