The WACC of Duke Energy Corp (DUK) is 5.9%.
| Range | Selected | |
| Cost of equity | 6.50% - 8.30% | 7.40% |
| Tax rate | 8.50% - 10.60% | 9.55% |
| Cost of debt | 4.00% - 5.40% | 4.70% |
| WACC | 5.1% - 6.6% | 5.9% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.58 | 0.6 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.50% | 8.30% |
| Tax rate | 8.50% | 10.60% |
| Debt/Equity ratio | 0.96 | 0.96 |
| Cost of debt | 4.00% | 5.40% |
| After-tax WACC | 5.1% | 6.6% |
| Selected WACC | 5.9% | |