Gary Works
Lake County, Indiana · EIA plant ID 50733 · Operator: United States Steel-Gary
Nameplate161MWSummer 161 MW
Generators1in service
Net generation745GWh12 mo to Aug 2026
Capacity factor53%gas/coal/oil units, summer MW
Heat rate5,795Btu/kWhfossil units, electric fuel, HHV
First online1997Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 854.9 | 48.6% | 8,366 |
| 2002 | 933.8 | 66.2% | 12,371 |
| 2003 | 772.6 | 54.8% | 12,158 |
| 2004 | 913.7 | 64.6% | 8,186 |
| 2005 | 721.7 | 51.2% | 8,186 |
| 2006 | 789.9 | 56.0% | 8,186 |
| 2007 | 755.3 | 53.5% | 8,186 |
| 2008 | 712 | 50.3% | 7,958 |
| 2009 | 598.5 | 42.4% | 7,961 |
| 2010 | 798.1 | 56.6% | 7,958 |
| 2011 | 856.2 | 60.7% | 7,956 |
| 2012 | 848 | 60.0% | 7,956 |
| 2013 | 810.9 | 57.5% | 7,957 |
| 2014 | 796.3 | 56.5% | 7,957 |
| 2015 | 707.5 | 50.2% | 7,986 |
| 2016 | 712.6 | 50.4% | 5,797 |
| 2017 | 993.4 | 70.4% | 5,794 |
| 2018 | 1,166.5 | 82.7% | 5,792 |
| 2019 | 1,232.6 | 87.4% | 5,802 |
| 2020 | 1,296.1 | 91.6% | 5,790 |
| 2021 | 1,253.3 | 88.9% | 5,791 |
| 2022 | 1,029.6 | 73.0% | 5,792 |
| 2023 | 1,218 | 86.4% | 5,791 |
| 2024 | 894.8 | 63.3% | 5,791 |
| 2025 | 950.4 | 67.4% | 5,796 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| STG1 | Other Gases | ST | 161 | 161 | Apr 1997 | Operating | — | coming soon |
| SWK6 | Natural Gas Steam Turbine | ST | 70 | 60 | Apr 1951 | Retired Sep 2001 | — | coming soon |
Owner / operator
Operator: United States Steel-Gary. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| United States Steel-Gary | 100.0% | 161 MW |
Nearby plants
Within 80 km.
| Heat Recovery Coke Facility | 95 MW | 9.8 km |
| Indiana Harbor E 5 AC Station | 90 MW | 10.3 km |
| Expander Turbine | 20 MW | 10.4 km |
| Hobart Solar, LLC | 1 MW | 10.5 km |
| ArcelorMittal Indiana Harbor West | 127 MW | 11.2 km |
| East Chicago | 2 MW | 11.7 km |