The WACC of Kinder Morgan Inc (KMI) is 6.6%.
| Range | Selected | |
| Cost of equity | 6.70% - 8.60% | 7.65% |
| Tax rate | 21.90% - 25.10% | 23.50% |
| Cost of debt | 4.90% - 7.50% | 6.20% |
| WACC | 5.7% - 7.5% | 6.6% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.63 | 0.66 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.70% | 8.60% |
| Tax rate | 21.90% | 25.10% |
| Debt/Equity ratio | 0.52 | 0.52 |
| Cost of debt | 4.90% | 7.50% |
| After-tax WACC | 5.7% | 7.5% |
| Selected WACC | 6.6% | |