The WACC of IGE + XAO SA (IGE.PA) is 8.4%.
| Range | Selected | |
| Cost of equity | 7.20% - 9.60% | 8.40% |
| Tax rate | 27.60% - 28.20% | 27.90% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 7.1% - 9.6% | 8.4% |
| Category | Low | High |
| Long-term bond rate | 2.6% | 3.1% |
| Equity market risk premium | 5.2% | 6.2% |
| Adjusted beta | 0.87 | 0.97 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.20% | 9.60% |
| Tax rate | 27.60% | 28.20% |
| Debt/Equity ratio | 0.01 | 0.01 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 7.1% | 9.6% |
| Selected WACC | 8.4% | |