The WACC of Southwest Gas Holdings Inc (SWX) is 5.6%.
| Range | Selected | |
| Cost of equity | 5.90% - 7.70% | 6.80% |
| Tax rate | 20.90% - 21.40% | 21.15% |
| Cost of debt | 4.00% - 7.00% | 5.50% |
| WACC | 4.6% - 6.6% | 5.6% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.45 | 0.51 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.90% | 7.70% |
| Tax rate | 20.90% | 21.40% |
| Debt/Equity ratio | 0.98 | 0.98 |
| Cost of debt | 4.00% | 7.00% |
| After-tax WACC | 4.6% | 6.6% |
| Selected WACC | 5.6% | |