Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Edwardsport | Granite City Works |
|---|---|---|
| Capacity | 812.7 MW | 78 MW |
| Technology | Coal Integrated Gasification Combined Cycle | All Other |
| Operator | Duke Energy Indiana, LLC | United States Steel Granite City Works |
| Operating units | 6 | 1 |
| Latest 12-month generation | 3.66 TWh | 457.9 GWh |
| Latest complete-year capacity factor | 49.8% (2025) | 65.6% (2025) |
| National technology rank | #1 of 1 | #5 of 53 |
| Latest EIA report | 2026-04 | 2026-04 |