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Side-by-side financial comparison of Duke Energy (DUK) and Southern Company (SO). Click either name above to swap in a different company.
Southern Company is the larger business by last-quarter revenue ($8.4B vs $7.9B, roughly 1.1× Duke Energy). Duke Energy runs the higher net margin — 20.0% vs 15.9%, a 4.1% gap on every dollar of revenue. On growth, Duke Energy posted the faster year-over-year revenue change (491.0% vs 8.0%). Over the past eight quarters, Southern Company's revenue compounded faster (14.0% CAGR vs 5.0%).
Duke Energy Corporation is an American electric power and natural gas holding company headquartered in Charlotte, North Carolina. The company serves over 7 million customers in the eastern United States. In 2024 it ranked as the 141st largest company in the United States – its highest-ever placement on the Fortune 500 list.
Southern Company is an American gas and electric utility holding company based in the Southern United States. It is headquartered in Atlanta, Georgia, with executive offices located in Birmingham, Alabama. As of 2021 it is the second largest utility company in the U.S. in terms of customer base. Through its subsidiaries it serves 9 million gas and electric utility customers in 6 states. Southern Company's regulated regional electric utilities serve a 120,000-square-mile (310,000 km2) territor...
DUK vs SO — Head-to-Head
Income Statement — Q1 FY2026 vs Q1 FY2026
| Metric | | |
|---|---|---|
| Revenue | $7.9B | $8.4B |
| Net Profit | $1.6B | $1.3B |
| Gross Margin | — | — |
| Operating Margin | 34.6% | 24.0% |
| Net Margin | 20.0% | 15.9% |
| Revenue YoY | 491.0% | 8.0% |
| Net Profit YoY | 603.6% | 5.4% |
| EPS (diluted) | — | — |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q1 26 | $7.9B | $8.4B | ||
| Q4 25 | $7.8B | $7.0B | ||
| Q3 25 | $8.4B | $7.8B | ||
| Q2 25 | $7.4B | $7.0B | ||
| Q1 25 | $8.2B | $7.8B | ||
| Q4 24 | $7.2B | $6.3B | ||
| Q3 24 | $8.1B | $7.3B | ||
| Q2 24 | $7.2B | $6.5B |
| Q1 26 | $1.6B | $1.3B | ||
| Q4 25 | $1.2B | $341.0M | ||
| Q3 25 | $1.4B | $1.7B | ||
| Q2 25 | $984.0M | $880.0M | ||
| Q1 25 | $1.4B | $1.3B | ||
| Q4 24 | $1.2B | $466.0M | ||
| Q3 24 | $1.3B | $1.5B | ||
| Q2 24 | $900.0M | $1.2B |
| Q1 26 | 34.6% | 24.0% | ||
| Q4 25 | 27.3% | 13.1% | ||
| Q3 25 | 27.9% | 33.2% | ||
| Q2 25 | 24.8% | 25.3% | ||
| Q1 25 | 28.5% | 25.9% | ||
| Q4 24 | 29.2% | 16.7% | ||
| Q3 24 | 26.4% | 32.6% | ||
| Q2 24 | 23.9% | 30.0% |
| Q1 26 | 20.0% | 15.9% | ||
| Q4 25 | 15.2% | 4.9% | ||
| Q3 25 | 17.0% | 21.9% | ||
| Q2 25 | 13.3% | 12.6% | ||
| Q1 25 | 16.8% | 16.3% | ||
| Q4 24 | 16.6% | 7.3% | ||
| Q3 24 | 15.8% | 21.1% | ||
| Q2 24 | 12.6% | 18.6% |
| Q1 26 | — | — | ||
| Q4 25 | $1.49 | $0.38 | ||
| Q3 25 | $1.81 | $1.54 | ||
| Q2 25 | $1.25 | $0.79 | ||
| Q1 25 | $1.76 | $1.21 | ||
| Q4 24 | $1.54 | $0.48 | ||
| Q3 24 | $1.60 | $1.39 | ||
| Q2 24 | $1.13 | $1.09 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $2.1B | — |
| Total DebtLower is stronger | $54.1B | — |
| Stockholders' EquityBook value | $56.5B | — |
| Total Assets | $198.0B | — |
| Debt / EquityLower = less leverage | 0.96× | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $2.1B | — | ||
| Q4 25 | $245.0M | $1.6B | ||
| Q3 25 | $688.0M | $3.3B | ||
| Q2 25 | $344.0M | $1.3B | ||
| Q1 25 | $475.0M | $2.3B | ||
| Q4 24 | $314.0M | $1.1B | ||
| Q3 24 | $376.0M | $1.0B | ||
| Q2 24 | $390.0M | $1.2B |
| Q1 26 | $54.1B | — | ||
| Q4 25 | $80.1B | $65.6B | ||
| Q3 25 | — | $64.6B | ||
| Q2 25 | — | $63.0B | ||
| Q1 25 | — | $62.9B | ||
| Q4 24 | $76.3B | $58.8B | ||
| Q3 24 | — | $61.3B | ||
| Q2 24 | — | $59.9B |
| Q1 26 | $56.5B | — | ||
| Q4 25 | $51.8B | $36.0B | ||
| Q3 25 | $51.5B | $38.3B | ||
| Q2 25 | $50.9B | $37.3B | ||
| Q1 25 | $50.7B | $37.2B | ||
| Q4 24 | $50.1B | $33.2B | ||
| Q3 24 | $49.1B | $36.9B | ||
| Q2 24 | $49.7B | $36.1B |
| Q1 26 | $198.0B | — | ||
| Q4 25 | $195.7B | $155.7B | ||
| Q3 25 | $192.3B | $153.2B | ||
| Q2 25 | $189.7B | $148.9B | ||
| Q1 25 | $187.5B | $148.1B | ||
| Q4 24 | $186.3B | $145.2B | ||
| Q3 24 | $183.6B | $144.0B | ||
| Q2 24 | $181.6B | $141.9B |
| Q1 26 | 0.96× | — | ||
| Q4 25 | 1.55× | 1.82× | ||
| Q3 25 | — | 1.69× | ||
| Q2 25 | — | 1.69× | ||
| Q1 25 | — | 1.69× | ||
| Q4 24 | 1.52× | 1.77× | ||
| Q3 24 | — | 1.66× | ||
| Q2 24 | — | 1.66× |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $-65.0M | — |
| Free Cash FlowOCF − Capex | — | — |
| FCF MarginFCF / Revenue | — | — |
| Capex IntensityCapex / Revenue | — | — |
| Cash ConversionOCF / Net Profit | -0.04× | — |
| TTM Free Cash FlowTrailing 4 quarters | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $-65.0M | — | ||
| Q4 25 | $3.7B | $2.6B | ||
| Q3 25 | $3.6B | $3.8B | ||
| Q2 25 | $2.9B | $2.2B | ||
| Q1 25 | $2.2B | $1.3B | ||
| Q4 24 | $3.4B | $2.2B | ||
| Q3 24 | $3.5B | $3.6B | ||
| Q2 24 | $3.0B | $2.7B |
| Q1 26 | — | — | ||
| Q4 25 | $-485.0M | $-1.7B | ||
| Q3 25 | $179.0M | $559.0M | ||
| Q2 25 | $-417.0M | $-619.0M | ||
| Q1 25 | $-971.0M | $-1.2B | ||
| Q4 24 | $288.0M | $-576.0M | ||
| Q3 24 | $537.0M | $1.3B | ||
| Q2 24 | $-43.0M | $563.0M |
| Q1 26 | — | — | ||
| Q4 25 | -6.2% | -24.2% | ||
| Q3 25 | 2.1% | 7.1% | ||
| Q2 25 | -5.7% | -8.9% | ||
| Q1 25 | -11.8% | -15.3% | ||
| Q4 24 | 4.0% | -9.1% | ||
| Q3 24 | 6.6% | 17.9% | ||
| Q2 24 | -0.6% | 8.7% |
| Q1 26 | — | — | ||
| Q4 25 | 53.3% | 61.4% | ||
| Q3 25 | 41.2% | 41.1% | ||
| Q2 25 | 44.5% | 40.2% | ||
| Q1 25 | 38.3% | 31.3% | ||
| Q4 24 | 42.7% | 43.4% | ||
| Q3 24 | 36.8% | 31.8% | ||
| Q2 24 | 41.9% | 32.9% |
| Q1 26 | -0.04× | — | ||
| Q4 25 | 3.09× | 7.62× | ||
| Q3 25 | 2.56× | 2.21× | ||
| Q2 25 | 2.91× | 2.48× | ||
| Q1 25 | 1.58× | 0.98× | ||
| Q4 24 | 2.80× | 4.66× | ||
| Q3 24 | 2.75× | 2.36× | ||
| Q2 24 | 3.28× | 2.23× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
DUK
| Regulated electric | $7.8B | 99% |
| Nonregulated electric and other | $61.0M | 1% |
SO
Segment breakdown not available.
