The WACC of MDU Resources Group Inc (MDU) is 6.7%.
| Range | Selected | |
| Cost of equity | 6.70% - 9.20% | 7.95% |
| Tax rate | 17.00% - 18.30% | 17.65% |
| Cost of debt | 4.00% - 5.40% | 4.70% |
| WACC | 5.7% - 7.8% | 6.7% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.61 | 0.78 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.70% | 9.20% |
| Tax rate | 17.00% | 18.30% |
| Debt/Equity ratio | 0.45 | 0.45 |
| Cost of debt | 4.00% | 5.40% |
| After-tax WACC | 5.7% | 7.8% |
| Selected WACC | 6.7% | |