The WACC of MGE Energy Inc (MGEE) is 5.8%.
| Range | Selected | |
| Cost of equity | 5.60% - 7.10% | 6.35% |
| Tax rate | 18.10% - 18.80% | 18.45% |
| Cost of debt | 4.10% - 4.50% | 4.30% |
| WACC | 5.1% - 6.4% | 5.8% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.38 | 0.39 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.60% | 7.10% |
| Tax rate | 18.10% | 18.80% |
| Debt/Equity ratio | 0.25 | 0.25 |
| Cost of debt | 4.10% | 4.50% |
| After-tax WACC | 5.1% | 6.4% |
| Selected WACC | 5.8% | |