Unionville
Oil power plant in Putnam County, Missouri. 53.2 MW of nameplate capacity across 2 generators, operated by Associated Electric Coop, Inc.
Also known as Unionville Power Plant · EIA plant 6563
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Key facts
- Capacity
- 53.2 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- June 1976First generator online
- Operator
- Associated Electric Coop, IncEIA operator ID 924
- Grid
- AECIBalancing authority AECI
- Price nodes
- None linkedNo verified ISO node
- Location
- Putnam County, MO40.4593, −93.0218
- EIA plant ID
- 6563EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Unionville produces
Free · EIA-923Net generation, 2025
34 MWh
34 MWh, final
Capacity factor, 2025
0.0%
2024: 0.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2023 to 2025
34.0–479.0
MWh a year. Low 2025, high 2024
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 3,179 | Not reported | 12 of 12 |
| 2001 | 573 | Not reported | 12 of 12 |
| 2002 | 29 | Not reported | 12 of 12 |
| 2003 | 98 | Not reported | 5 of 12 |
| 2004 | 88 | Not reported | 12 of 12 |
| 2005 | 28 | Not reported | 12 of 12 |
| 2006 | 433 | Not reported | 12 of 12 |
| 2007 | 129 | Not reported | 12 of 12 |
| 2008 | 88 | Not reported | 12 of 12 |
| 2009 | 161 | Not reported | 12 of 12 |
| 2010 | 427 | 0.1% | 12 of 12 |
| 2011 | 295 | 0.1% | 12 of 12 |
| 2012 | 216 | 0.1% | 12 of 12 |
| 2013 | 83 | 0.0% | 12 of 12 |
| 2014 | 174 | Not reported | 12 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | 240 | 0.1% | 12 of 12 |
| 2024 | 479 | 0.1% | 12 of 12 |
| 2025 | 34 | 0.0% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Petroleum Liquids | 26.6 | June 1976 |
| 2 | Petroleum Liquids | 26.6 | June 1976 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Associated Electric Coop, Inc as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Unionville
More plants operated by Associated Electric Coop, Inc
Questions about Unionville
How much power does Unionville produce?
Unionville reported 34 MWh (34 MWh) of net generation in 2025, a 0.0% capacity factor on 53.2 MW of nameplate capacity.
Where is Unionville?
Unionville is in Putnam County, Missouri, at 40.4593, −93.0218. It is in the Associated Electric Cooperative, Inc. balancing area (AECI).
Who operates Unionville?
EIA-860M for August 2026 lists Associated Electric Coop, Inc as the operator (EIA operator ID 924). The operator is not always the owner.
When did Unionville start operating?
Its first generator began operating in June 1976, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page