The WACC of Alstom SA (ALO.PA) is 8.0%.
| Range | Selected | |
| Cost of equity | 8.40% - 11.30% | 9.85% |
| Tax rate | 17.20% - 21.30% | 19.25% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 7.1% - 9.0% | 8.0% |
| Category | Low | High |
| Long-term bond rate | 3.0% | 3.5% |
| Equity market risk premium | 5.8% | 6.8% |
| Adjusted beta | 0.94 | 1.07 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.40% | 11.30% |
| Tax rate | 17.20% | 21.30% |
| Debt/Equity ratio | 0.47 | 0.47 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 7.1% | 9.0% |
| Selected WACC | 8.0% | |