The WACC of TransAlta Renewables Inc (RNW.TO) is 6.4%.
| Range | Selected | |
| Cost of equity | 5.50% - 8.10% | 6.80% |
| Tax rate | 10.50% - 15.10% | 12.80% |
| Cost of debt | 4.30% - 7.10% | 5.70% |
| WACC | 5.2% - 7.7% | 6.4% |
| Category | Low | High |
| Long-term bond rate | 3.3% | 3.8% |
| Equity market risk premium | 5.1% | 6.1% |
| Adjusted beta | 0.43 | 0.62 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.50% | 8.10% |
| Tax rate | 10.50% | 15.10% |
| Debt/Equity ratio | 0.24 | 0.24 |
| Cost of debt | 4.30% | 7.10% |
| After-tax WACC | 5.2% | 7.7% |
| Selected WACC | 6.4% | |