AES vs SO
AES: A global power company accelerating the energy transition through a diversified portfolio of regulated utilities, renewable generation, and advanced battery energy storage systems. 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 | AES | SO | Edge |
|---|---|---|---|
| Price as of 2026-10-08 close | $14.93 | $86.15 | |
| Market cap | $10.7B | $97.1B | |
| P/E as of 2026-10-08 | 5.69 | 20.78 | AES lower |
| PEG as of 2026-10-08, 3-year EPS CAGR to FY2025 | n/a | 3.28 | |
| Net margin FY2025, SEC XBRL | +7.4% | +14.7% | SO higher |
| Gross margin FY2025, SEC XBRL | +18.1% | n/a | |
| Operating margin FY2025, SEC XBRL | n/a | +24.7% | |
| ROE FY2025, SEC XBRL | +22.4% | +11.2% | AES higher |
| ROA FY2025, SEC XBRL | +1.8% | +2.8% | SO higher |
| Debt / equity as of 2026-09-03 | 6.50 | 1.91 | SO lower |
| Revenue growth (YoY) as of 2026-09-03 | +8.5% | +6.8% | AES higher |
| Revenue CAGR (3y) SEC XBRL | -1.0% | +0.3% | SO higher |
| Dividend yield as of 2026-09-03 | +4.9% | +3.6% | AES higher |
| Dividend streak (yrs) SEC XBRL | 14 | 19 | SO higher |
| Beta as of 2026-09-03 | 0.78 | -0.03 | |
| 1-year return as of 2026-10-08 close | +1.4% | -10.4% | AES higher |
Fundamentals: SEC XBRL company filings for the figures marked with a fiscal year, and market data, as of 2026-09-03 for the rest. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-10-08.
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.