The WACC of ALLETE Inc (ALE) is 5.5%.
| Range | Selected | |
| Cost of equity | 5.60% - 7.70% | 6.65% |
| Tax rate | 20.00% - 27.00% | 23.50% |
| Cost of debt | 4.00% - 4.60% | 4.30% |
| WACC | 4.8% - 6.3% | 5.5% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.36 | 0.5 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.60% | 7.70% |
| Tax rate | 20.00% | 27.00% |
| Debt/Equity ratio | 0.49 | 0.49 |
| Cost of debt | 4.00% | 4.60% |
| After-tax WACC | 4.8% | 6.3% |
| Selected WACC | 5.5% | |