The WACC of American Superconductor Corp (AMSC) is 7.1%.
| Range | Selected | |
| Cost of equity | 6.00% - 8.10% | 7.05% |
| Tax rate | 2.20% - 3.10% | 2.65% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 6.0% - 8.1% | 7.1% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.47 | 0.58 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.00% | 8.10% |
| Tax rate | 2.20% | 3.10% |
| Debt/Equity ratio | 0 | 0 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 6.0% | 8.1% |
| Selected WACC | 7.1% | |