Pinckneyville
Perry County, Illinois · EIA plant ID 55202 · Operator: Union Electric Co - (MO)
Nameplate380MWSummer 316 MW
Generators8in service
Net generation67GWh12 mo to Dec 2025
Capacity factor2%gas/coal/oil units, summer MW
Heat rate10,960Btu/kWhfossil units, electric fuel, HHV
First online2000Runs as peaking
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 | 112.1 | 5.1% | 11,538 |
| 2002 | 132.4 | 4.8% | 11,449 |
| 2003 | 61.7 | 2.2% | 12,101 |
| 2004 | 51.7 | 1.8% | 11,435 |
| 2005 | 124.4 | 4.4% | 10,997 |
| 2006 | 90.4 | 3.2% | 11,774 |
| 2007 | 165.1 | 5.9% | 11,098 |
| 2008 | 88 | 3.2% | 11,425 |
| 2009 | 63.8 | 2.3% | 11,628 |
| 2010 | 146.1 | 5.3% | 10,865 |
| 2011 | 136.9 | 5.0% | 10,869 |
| 2012 | 91.2 | 3.3% | 11,133 |
| 2013 | 30.8 | 1.1% | 12,053 |
| 2014 | 15.8 | 0.6% | 13,310 |
| 2015 | 55.2 | 2.0% | 10,899 |
| 2016 | 95.2 | 3.4% | 11,006 |
| 2017 | 99.5 | 3.6% | 10,690 |
| 2018 | 146.5 | 5.3% | 10,267 |
| 2019 | 77.4 | 2.8% | 10,165 |
| 2020 | 71.7 | 2.6% | 11,143 |
| 2021 | 110.5 | 4.0% | 11,059 |
| 2022 | 31.1 | 1.1% | 11,473 |
| 2023 | 42.4 | 1.5% | 11,319 |
| 2024 | 79.8 | 2.9% | 10,962 |
| 2025 | 66.6 | 2.4% | 10,960 |
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 |
|---|---|---|---|---|---|---|---|---|
| 1 | Natural Gas Fired Combustion Turbine | GT | 45 | 44 | Jun 2000 | Operating | — | coming soon |
| 2 | Natural Gas Fired Combustion Turbine | GT | 45 | 44 | Jun 2000 | Operating | — | coming soon |
| 3 | Natural Gas Fired Combustion Turbine | GT | 45 | 44 | Jun 2000 | Operating | — | coming soon |
| 4 | Natural Gas Fired Combustion Turbine | GT | 45 | 44 | Jun 2000 | Operating | — | coming soon |
| 5 | Natural Gas Fired Combustion Turbine | GT | 50 | 35 | Jun 2001 | Operating | — | coming soon |
| 6 | Natural Gas Fired Combustion Turbine | GT | 50 | 35 | Jun 2001 | Operating | — | coming soon |
| 7 | Natural Gas Fired Combustion Turbine | GT | 50 | 35 | Jun 2001 | Operating | — | coming soon |
| 8 | Natural Gas Fired Combustion Turbine | GT | 50 | 35 | Jul 2001 | Operating | — | coming soon |
Owner / operator
Operator: Union Electric Co - (MO). Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Union Electric Co - (MO) | 100.0% | 380 MW |
Nearby plants
Within 80 km.
| NL IL - Kiwi | 2 MW | 3.1 km |
| Two Blues Solar, LLC | — | 6.1 km |
| Kimmel Road Solar, LLC | 50 MW | 13.6 km |
| CVE US IL TAMAROA 316 LLC | 4 MW | 14.4 km |
| Snapdragon Solar, LLC | — | 19.2 km |
| Great Plains Solar, LLC | — | 19.5 km |