The WACC of Sempra Energy (SRE) is 5.5%.
| Range | Selected | |
| Cost of equity | 5.70% - 7.50% | 6.60% |
| Tax rate | 18.50% - 27.80% | 23.15% |
| Cost of debt | 4.30% - 4.90% | 4.60% |
| WACC | 4.9% - 6.0% | 5.5% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.41 | 0.47 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.70% | 7.50% |
| Tax rate | 18.50% | 27.80% |
| Debt/Equity ratio | 0.59 | 0.59 |
| Cost of debt | 4.30% | 4.90% |
| After-tax WACC | 4.9% | 6.0% |
| Selected WACC | 5.5% | |