The WACC of Quanta Services Inc (PWR) is 9.5%.
| Range | Selected | |
| Cost of equity | 8.50% - 11.70% | 10.10% |
| Tax rate | 22.00% - 24.50% | 23.25% |
| Cost of debt | 4.00% - 4.90% | 4.45% |
| WACC | 8.0% - 10.9% | 9.5% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 1.01 | 1.22 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.50% | 11.70% |
| Tax rate | 22.00% | 24.50% |
| Debt/Equity ratio | 0.1 | 0.1 |
| Cost of debt | 4.00% | 4.90% |
| After-tax WACC | 8.0% | 10.9% |
| Selected WACC | 9.5% | |