The WACC of Otter Tail Corp (OTTR) is 7.0%.
| Range | Selected | |
| Cost of equity | 6.40% - 8.60% | 7.50% |
| Tax rate | 17.20% - 18.10% | 17.65% |
| Cost of debt | 4.40% - 7.00% | 5.70% |
| WACC | 5.9% - 8.1% | 7.0% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.55 | 0.67 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.40% | 8.60% |
| Tax rate | 17.20% | 18.10% |
| Debt/Equity ratio | 0.23 | 0.23 |
| Cost of debt | 4.40% | 7.00% |
| After-tax WACC | 5.9% | 8.1% |
| Selected WACC | 7.0% | |