The WACC of Idacorp Inc (IDA) is 5.9%.
| Range | Selected | |
| Cost of equity | 6.10% - 7.90% | 7.00% |
| Tax rate | 10.30% - 11.50% | 10.90% |
| Cost of debt | 4.30% - 4.70% | 4.50% |
| WACC | 5.3% - 6.5% | 5.9% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.49 | 0.54 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.10% | 7.90% |
| Tax rate | 10.30% | 11.50% |
| Debt/Equity ratio | 0.59 | 0.59 |
| Cost of debt | 4.30% | 4.70% |
| After-tax WACC | 5.3% | 6.5% |
| Selected WACC | 5.9% | |