The WACC of Hydro One Ltd (H.TO) is 5.2%.
| Range | Selected | |
| Cost of equity | 5.20% - 7.30% | 6.25% |
| Tax rate | 14.90% - 17.80% | 16.35% |
| Cost of debt | 4.00% - 4.50% | 4.25% |
| WACC | 4.5% - 5.9% | 5.2% |
| Category | Low | High |
| Long-term bond rate | 3.2% | 3.7% |
| Equity market risk premium | 5.1% | 6.1% |
| Adjusted beta | 0.31 | 0.43 |
| Additional risk adjustments | 0.5% | 1.0% |
| Cost of equity | 5.20% | 7.30% |
| Tax rate | 14.90% | 17.80% |
| Debt/Equity ratio | 0.59 | 0.59 |
| Cost of debt | 4.00% | 4.50% |
| After-tax WACC | 4.5% | 5.9% |
| Selected WACC | 5.2% | |