DUK vs SO

Duke Energy and Southern Company, both Utilities

Southern Company is the larger company at $105B against $97B. On trailing earnings DUK is the cheaper of the two at a P/E of 17.9 against 22.0, a gap that is only a bargain if the two are growing at similar rates. Over the past year DUK returned -0.6% against -3.5% for SO. The RyuScore puts DUK ahead, 52 against 51 out of 100.

Duke Energy and Southern Company compared on valuation, return and the RyuScore
FigureDUKSO
Last close$117$86.15
Market cap$97B$105B
Trailing P/Elower is cheaper for the same earnings, not automatically better17.922.0
Dividend yield3.6%3.4%
1-year return-0.6%-3.5%
5-year return+36%+55%
RyuScoresector-relative, 1–1052/10051/100

Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.

Duke Energy

Revenue of $9.2B in Q1 2026, net income $1.6B. Its largest reported line is Electric Utilitiesand Infrastructure, 94% of the disclosed total.

Southern Company

Revenue of $8.4B in Q1 2026, net income $1.3B. Its largest reported line is Retail Electric Industrial, 15% of the disclosed total.

Open these two in the interactive comparison to add more names, change the period or see the correlation.