Stocks Comparison
Duke Energy vs Southern: revenue, profit, margins and growth compared
Duke Energy brought in $32.2B of revenue in fiscal 2025, Southern $29.6B in fiscal 2025. Revenue changed by +6.2% at Duke Energy and +10.4% at Southern on the year before, so Southern grew faster. Duke Energy kept 15.4% of its revenue as net profit, Southern 14.7%. Free cash flow was -$1.7B at Duke Energy and -$2.9B at Southern.
Side by side, latest fiscal year
| DUK | SO | |
|---|---|---|
| Fiscal year ended | FY2025 (December 31, 2025) | FY2025 (December 31, 2025) |
| Revenue | $32.2B | $29.6B |
| Revenue growth | +6.2% | +10.4% |
| Net income | $5B | $4.3B |
| Net margin | 15.4% | 14.7% |
| Free cash flow | -$1.7B | -$2.9B |
| Free cash flow margin | -5.3% | -9.9% |
| Earnings per share (diluted) | $6.31 | $3.92 |
| Cash | $245M | $1.6B |
| Debt | $87.2B | $71.9B |
| Price to earnings | 18.0 | 21.1 |
| Market value | $88.4B | $95.3B |
| Dividend yield | 3.72% | 3.55% |
| Rank by revenue in sector | #3 of 109 · Utilities | #5 of 109 · Utilities |
Over the years
Questions about Duke Energy and Southern
Which is bigger by revenue, Duke Energy or Southern?
Duke Energy is bigger by revenue: $32.2B in fiscal 2025, against $29.6B for Southern in fiscal 2025.
Which keeps more of its revenue as profit, Duke Energy or Southern?
Duke Energy had a net margin of 15.4% in fiscal 2025; Southern had 14.7% in fiscal 2025.
Which grew revenue faster, Duke Energy or Southern?
In their latest fiscal years revenue changed by +6.2% at Duke Energy and +10.4% at Southern.
Where do these numbers come from?
From the annual reports each company files with the SEC (10-K, or 20-F and 40-F for foreign companies), read from their XBRL data. Margins and growth are simple arithmetic on those figures. Nothing here is a recommendation.