The WACC of American States Water Co (AWR) is 6.8%.
| Range | Selected | |
| Cost of equity | 6.90% - 8.70% | 7.80% |
| Tax rate | 23.90% - 24.50% | 24.20% |
| Cost of debt | 4.40% - 5.10% | 4.75% |
| WACC | 6.1% - 7.6% | 6.8% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.65 | 0.68 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.90% | 8.70% |
| Tax rate | 23.90% | 24.50% |
| Debt/Equity ratio | 0.28 | 0.28 |
| Cost of debt | 4.40% | 5.10% |
| After-tax WACC | 6.1% | 7.6% |
| Selected WACC | 6.8% | |