Compare
Southern Co vs NRG Energy, Inc. vs Constellation Energy Corp vs American Electric Power Co Inc
| Latest fiscal year | Southern Co SO | NRG Energy, Inc. NRG | Constellation Energy Corp CEG | American Electric Power Co Inc AEP |
|---|---|---|---|---|
| Year ended | 2025-12-31 | 2025-12-31 | 2025-12-31 | 2025-12-31 |
| Revenue | $29.55B | $30.71B | $25.53B | $21.88B |
| Revenue growth (YoY) | +10.6% | +9.2% | +8.3% | +10.9% |
| Gross margin | n/a | n/a | n/a | n/a |
| Operating margin | 24.7% | 6.0% | 12.1% | 24.3% |
| Net margin | 14.1% | 2.8% | 9.1% | 16.9% |
| Net income | $4.17B | $864.00M | $2.32B | $3.70B |
| EPS (Diluted) | $3.92 | $4.01 | $7.40 | $6.66 |
| Operating cash flow | $9.80B | $1.91B | $4.24B | $6.94B |
| Free cash flow | -$2.94B | $766.00M | $1.29B | $3.49B |
| Cash & equivalents | $1.64B | $4.71B | $3.64B | $197.00M |
| Total assets | $155.72B | $29.14B | $57.25B | $114.46B |
| Total liabilities | $116.85B | $27.46B | $42.40B | $82.20B |
| Shareholders' equity | $38.87B | $1.68B | $14.85B | $32.22B |
| Return on year-end equity | 10.7% | 51.4% | 15.6% | 11.5% |
| Shares outstanding | n/a | 190.38M | 312.00M | n/a |
Revenue, most recent five fiscal years
| Fiscal year | Southern Co | NRG Energy, Inc. | Constellation Energy Corp | American Electric Power Co Inc |
|---|---|---|---|---|
| Latest | $29.55B Ended 2025-12-31 | $30.71B Ended 2025-12-31 | $25.53B Ended 2025-12-31 | $21.88B Ended 2025-12-31 |
| 1 year earlier | $26.72B Ended 2024-12-31 | $28.13B Ended 2024-12-31 | $23.57B Ended 2024-12-31 | $19.72B Ended 2024-12-31 |
| 2 years earlier | $25.25B Ended 2023-12-31 | $28.82B Ended 2023-12-31 | $24.92B Ended 2023-12-31 | $18.98B Ended 2023-12-31 |
| 3 years earlier | $29.28B Ended 2022-12-31 | $31.54B Ended 2022-12-31 | $24.44B Ended 2022-12-31 | $19.64B Ended 2022-12-31 |
| 4 years earlier | $23.11B Ended 2021-12-31 | $26.99B Ended 2021-12-31 | $19.65B Ended 2021-12-31 | $16.79B Ended 2021-12-31 |