The WACC of Plug Power Inc (PLUG) is 8.4%.
| Range | Selected | |
| Cost of equity | 7.60% - 10.30% | 8.95% |
| Tax rate | 0.40% - 1.70% | 1.05% |
| Cost of debt | 6.30% - 7.00% | 6.65% |
| WACC | 7.3% - 9.5% | 8.4% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.81 | 0.97 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.60% | 10.30% |
| Tax rate | 0.40% | 1.70% |
| Debt/Equity ratio | 0.28 | 0.28 |
| Cost of debt | 6.30% | 7.00% |
| After-tax WACC | 7.3% | 9.5% |
| Selected WACC | 8.4% | |