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Audrain County, Missouri · EIA plant ID 6650 · Operator: Union Electric Co - (MO)
Nameplate61MWSummer 54 MW
Generators1in service
Net generation2GWh12 mo to Dec 2025
Capacity factor1%gas/coal/oil units, summer MW
Heat rate12,313Btu/kWhfossil units, electric fuel, HHV
First online1978Runs as rarely runs
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 | 2.2 | 0.4% | 17,618 |
| 2002 | 0.5 | 0.1% | 23,512 |
| 2003 | 1.1 | 0.2% | 17,020 |
| 2004 | 1.3 | 0.3% | 16,665 |
| 2005 | 0.3 | 0.1% | — |
| 2006 | 0.2 | 0.0% | 25,099 |
| 2007 | 0.7 | 0.1% | 19,306 |
| 2008 | 0.1 | 0.0% | — |
| 2009 | -0.1 | -0.0% | — |
| 2010 | -0.3 | -0.1% | — |
| 2011 | 0 | 0.0% | — |
| 2012 | 0.4 | 0.1% | 21,083 |
| 2013 | -0.2 | -0.1% | — |
| 2014 | 1.5 | 0.3% | 14,424 |
| 2015 | -0.1 | -0.0% | — |
| 2016 | -0 | 0.0% | — |
| 2017 | -0.2 | -0.1% | — |
| 2018 | 0.3 | 0.1% | 28,660 |
| 2019 | 0.2 | 0.1% | — |
| 2020 | 0.1 | 0.0% | — |
| 2021 | 1.5 | 0.3% | 16,166 |
| 2022 | 2 | 0.4% | 16,929 |
| 2023 | 0 | 0.0% | — |
| 2024 | 0.8 | 0.2% | 10,926 |
| 2025 | 2.5 | 0.5% | 12,313 |
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 | Petroleum Liquids | GT | 60.7 | 54 | Sep 1978 | 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% | 61 MW |
Nearby plants
Within 80 km.
| Envoy Solar, LLC | 50 MW | 1.8 km |
| MJMEUC Generating Station #1 | 13 MW | 20 km |
| Show Me State Solar | — | 23.3 km |
| Altona Solar, LLC | 30 MW | 30.8 km |
| Huck Finn Renewable Energy Center | 200 MW | 30.9 km |
| Audrain Generating Station | 814 MW | 31 km |