The WACC of United Utilities Group PLC (UU.L) is 6.3%.
| Range | Selected | |
| Cost of equity | 8.40% - 10.50% | 9.45% |
| Tax rate | 23.20% - 41.10% | 32.15% |
| Cost of debt | 4.00% - 7.60% | 5.80% |
| WACC | 5.4% - 7.1% | 6.3% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 0.74 | 0.79 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.40% | 10.50% |
| Tax rate | 23.20% | 41.10% |
| Debt/Equity ratio | 1.3 | 1.3 |
| Cost of debt | 4.00% | 7.60% |
| After-tax WACC | 5.4% | 7.1% |
| Selected WACC | 6.3% | |