The WACC of Powell Industries Inc (POWL) is 7.4%.
| Range | Selected | |
| Cost of equity | 8.70% - 13.60% | 11.15% |
| Tax rate | 22.50% - 30.10% | 26.30% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 6.3% - 8.5% | 7.4% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 1.04 | 1.56 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.70% | 13.60% |
| Tax rate | 22.50% | 30.10% |
| Debt/Equity ratio | 1 | 1 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 6.3% | 8.5% |
| Selected WACC | 7.4% | |