The WACC of American Superconductor Corp (AMSC) is 6.7%.
| Range | Selected | |
| Cost of equity | 5.80% - 7.60% | 6.70% |
| Tax rate | 2.20% - 3.10% | 2.65% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 5.8% - 7.6% | 6.7% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.41 | 0.5 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.80% | 7.60% |
| Tax rate | 2.20% | 3.10% |
| Debt/Equity ratio | 0 | 0 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 5.8% | 7.6% |
| Selected WACC | 6.7% | |