The WACC of Avista Corp (AVA) is 5.5%.
| Range | Selected | |
| Cost of equity | 5.90% - 8.40% | 7.15% |
| Tax rate | 10.50% - 13.00% | 11.75% |
| Cost of debt | 4.40% - 4.60% | 4.50% |
| WACC | 4.9% - 6.1% | 5.5% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.45 | 0.63 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.90% | 8.40% |
| Tax rate | 10.50% | 13.00% |
| Debt/Equity ratio | 1.07 | 1.07 |
| Cost of debt | 4.40% | 4.60% |
| After-tax WACC | 4.9% | 6.1% |
| Selected WACC | 5.5% | |