The WACC of Black Hills Corp (BKH) is 5.4%.
| Range | Selected | |
| Cost of equity | 5.60% - 8.10% | 6.85% |
| Tax rate | 8.50% - 9.90% | 9.20% |
| Cost of debt | 4.00% - 4.60% | 4.30% |
| WACC | 4.7% - 6.1% | 5.4% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.39 | 0.57 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.60% | 8.10% |
| Tax rate | 8.50% | 9.90% |
| Debt/Equity ratio | 1.01 | 1.01 |
| Cost of debt | 4.00% | 4.60% |
| After-tax WACC | 4.7% | 6.1% |
| Selected WACC | 5.4% | |