The WACC of Enphase Energy Inc (ENPH) is 10.5%.
| Range | Selected | |
| Cost of equity | 9.30% - 13.00% | 11.15% |
| Tax rate | 13.60% - 16.80% | 15.20% |
| Cost of debt | 4.00% - 4.50% | 4.25% |
| WACC | 8.8% - 12.2% | 10.5% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 1.18 | 1.45 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 9.30% | 13.00% |
| Tax rate | 13.60% | 16.80% |
| Debt/Equity ratio | 0.09 | 0.09 |
| Cost of debt | 4.00% | 4.50% |
| After-tax WACC | 8.8% | 12.2% |
| Selected WACC | 10.5% | |