The WACC of Hawaiian Electric Industries Inc (HE) is 4.5%.
| Range | Selected | |
| Cost of equity | 5.10% - 9.00% | 7.05% |
| Tax rate | 18.70% - 19.50% | 19.10% |
| Cost of debt | 4.00% - 4.50% | 4.25% |
| WACC | 3.8% - 5.3% | 4.5% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.26 | 0.74 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.10% | 9.00% |
| Tax rate | 18.70% | 19.50% |
| Debt/Equity ratio | 2.23 | 2.23 |
| Cost of debt | 4.00% | 4.50% |
| After-tax WACC | 3.8% | 5.3% |
| Selected WACC | 4.5% | |