The WACC of NiSource Inc (NI) is 5.5%.
| Range | Selected | |
| Cost of equity | 6.20% - 8.10% | 7.15% |
| Tax rate | 17.20% - 20.10% | 18.65% |
| Cost of debt | 4.00% - 4.90% | 4.45% |
| WACC | 4.8% - 6.1% | 5.5% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.52 | 0.58 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.20% | 8.10% |
| Tax rate | 17.20% | 20.10% |
| Debt/Equity ratio | 0.95 | 0.95 |
| Cost of debt | 4.00% | 4.90% |
| After-tax WACC | 4.8% | 6.1% |
| Selected WACC | 5.5% | |