The WACC of Sempra Energy (SRE) is 5.6%.
| Range | Selected | |
| Cost of equity | 6.00% - 7.80% | 6.90% |
| Tax rate | 18.50% - 27.80% | 23.15% |
| Cost of debt | 4.30% - 5.10% | 4.70% |
| WACC | 5.0% - 6.2% | 5.6% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.45 | 0.52 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.00% | 7.80% |
| Tax rate | 18.50% | 27.80% |
| Debt/Equity ratio | 0.63 | 0.63 |
| Cost of debt | 4.30% | 5.10% |
| After-tax WACC | 5.0% | 6.2% |
| Selected WACC | 5.6% | |