The WACC of Idacorp Inc (IDA) is 5.7%.
| Range | Selected | |
| Cost of equity | 5.20% - 7.70% | 6.45% |
| Tax rate | 10.30% - 11.50% | 10.90% |
| Cost of debt | 4.30% - 4.60% | 4.45% |
| WACC | 4.8% - 6.5% | 5.7% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.3 | 0.5 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.20% | 7.70% |
| Tax rate | 10.30% | 11.50% |
| Debt/Equity ratio | 0.46 | 0.46 |
| Cost of debt | 4.30% | 4.60% |
| After-tax WACC | 4.8% | 6.5% |
| Selected WACC | 5.7% | |