SIUC
Jackson County, Illinois · EIA plant ID 57928 · Operator: Southern Illinois University Carbondale
Nameplate5MWSummer 4 MW
Generators2in service
Net generation9GWh12 mo to Aug 2026
Capacity factor24%gas/coal/oil units, summer MW
Heat rate7,956Btu/kWhfossil units, electric fuel, HHV
First online1998Runs as peaking
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) |
|---|---|---|---|
| 2011 | 11.7 | 30.4% | 11,725 |
| 2012 | 16.6 | 42.9% | 11,725 |
| 2013 | 16.4 | 42.5% | 11,725 |
| 2014 | 0 | 0.0% | — |
| 2015 | 14.6 | 37.9% | 11,725 |
| 2016 | 0 | 0.0% | — |
| 2017 | 9 | 23.4% | 7,335 |
| 2018 | 8.7 | 22.6% | 8,409 |
| 2019 | 8.1 | 21.1% | 8,487 |
| 2020 | 6.6 | 17.1% | 8,403 |
| 2021 | 7.3 | 18.8% | 8,502 |
| 2022 | 7 | 18.3% | 8,501 |
| 2023 | 5.4 | 14.1% | 8,500 |
| 2024 | 4.9 | 12.6% | 7,939 |
| 2025 | 9 | 23.3% | 7,923 |
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 |
|---|---|---|---|---|---|---|---|---|
| EMER | Petroleum Liquids | IC | 1.6 | 1.6 | Jun 1998 | Operating (Standby / backup) | — | coming soon |
| GEN5 | Conventional Steam Coal | ST | 3.5 | 2.8 | Jun 1998 | Operating | — | coming soon |
Owner / operator
Operator: Southern Illinois University Carbondale. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Southern Illinois University Carbondale | 100.0% | 5 MW |
Nearby plants
Within 80 km.
| Gerstenschlager Family Solar 1, LLC (CSG) | 5 MW | 8.1 km |
| John A Logan College Solar | 1 MW | 12.2 km |
| SV CSG Corbell | — | 14.8 km |
| Murphysboro 1 | — | 15.1 km |
| Murphysboro 2 | — | 15.1 km |
| SV CSG Gander Farms 1 A | 2 MW | 16.1 km |