The WACC of DTE Energy Co (DTE) is 5.4%.
| Range | Selected | |
| Cost of equity | 6.00% - 7.70% | 6.85% |
| Tax rate | 10.80% - 11.10% | 10.95% |
| Cost of debt | 4.00% - 4.60% | 4.30% |
| WACC | 4.9% - 6.0% | 5.4% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.46 | 0.5 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.00% | 7.70% |
| Tax rate | 10.80% | 11.10% |
| Debt/Equity ratio | 0.87 | 0.87 |
| Cost of debt | 4.00% | 4.60% |
| After-tax WACC | 4.9% | 6.0% |
| Selected WACC | 5.4% | |