Mosaic Phosphates Uncle Sam
Other fuels power plant in St James Parish, Louisiana. 26 MW of nameplate capacity across 2 generators, operated by Mosaic Phosphates Co..
Also known as EIA plant 10198
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 26 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- January 1968First generator online
- Operator
- Mosaic Phosphates Co.EIA operator ID 9436
- Grid
- MISOBalancing authority MISO
- Price nodes
- None linkedNo verified ISO node
- Location
- St James Parish, LA30.0386, −90.8283
- EIA plant ID
- 10198EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Mosaic Phosphates Uncle Sam produces
Free · EIA-923Net generation, 2025
76.9 GWh
76,885 MWh, final
Capacity factor, 2025
33.8%
2024: -29.2%
January to July 2026
49.8 GWh
Provisional
Range, 2015 to 2025
−79.9–112.1
GWh a year. Low 2021, high 2016
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 133,720 | Not reported | 12 of 12 |
| 2002 | 191,807 | Not reported | 12 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | 166,097 | Not reported | 12 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | 108,506 | Not reported | 12 of 12 |
| 2007 | 148,258 | Not reported | 12 of 12 |
| 2008 | 122,123 | Not reported | 12 of 12 |
| 2009 | 110,108 | Not reported | 12 of 12 |
| 2010 | 150,841 | 78.3% | 12 of 12 |
| 2011 | 105,788 | 54.9% | 12 of 12 |
| 2012 | 0 | 0.0% | 12 of 12 |
| 2013 | 74,926 | 77.8% | 12 of 12 |
| 2014 | 85,614 | Not reported | 12 of 12 |
| 2015 | 85,750 | 89.0% | 12 of 12 |
| 2016 | 112,098 | Not reported | 12 of 12 |
| 2017 | 8,245 | 3.6% | 12 of 12 |
| 2018 | −3,889 | -1.7% | 12 of 12 |
| 2019 | −35,815 | -15.7% | 12 of 12 |
| 2020 | −53,398 | -23.4% | 12 of 12 |
| 2021 | −79,891 | -35.1% | 12 of 12 |
| 2022 | −71,150 | -31.2% | 12 of 12 |
| 2023 | −71,713 | -31.5% | 12 of 12 |
| 2024 | −66,789 | -29.2% | 12 of 12 |
| 2025 | 76,885 | 33.8% | 12 of 12 |
| 2026 (provisional, partial year) | 49,820 | 37.7% | 7 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 |
|---|---|---|---|
| GEN2 | All Other | 11.0 | January 1968 |
| GEN3 | All Other | 15.0 | August 2016 |
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 Mosaic Phosphates Co. 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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Questions about Mosaic Phosphates Uncle Sam
How much power does Mosaic Phosphates Uncle Sam produce?
Mosaic Phosphates Uncle Sam reported 76,885 MWh (76.9 GWh) of net generation in 2025, a 33.8% capacity factor on 26 MW of nameplate capacity. From January to July 2026 it reported 49.8 GWh, which is provisional.
Where is Mosaic Phosphates Uncle Sam?
Mosaic Phosphates Uncle Sam is in St James Parish, Louisiana, at 30.0386, −90.8283. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Mosaic Phosphates Uncle Sam?
EIA-860M for August 2026 lists Mosaic Phosphates Co. as the operator (EIA operator ID 9436). The operator is not always the owner.
When did Mosaic Phosphates Uncle Sam start operating?
Its first generator began operating in January 1968, 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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page