The WACC of ESI Energy Services Inc (OPI.CN) is 6.6%.
| Range | Selected | |
| Cost of equity | 5.40% - 8.50% | 6.95% |
| Tax rate | 3.30% - 4.70% | 4.00% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 5.3% - 7.9% | 6.6% |
| Category | Low | High |
| Long-term bond rate | 3.4% | 3.9% |
| Equity market risk premium | 4.7% | 5.7% |
| Adjusted beta | 0.43 | 0.73 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.40% | 8.50% |
| Tax rate | 3.30% | 4.70% |
| Debt/Equity ratio | 0.21 | 0.21 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 5.3% | 7.9% |
| Selected WACC | 6.6% | |