Mosaic South Pierce Operations
Other fuels power plant in Polk County, Florida. 38 MW of nameplate capacity across 1 generator, operated by Mosaic Fertilizer LLC.
Also known as EIA plant 10004
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 38 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- January 1992First generator online
- Operator
- Mosaic Fertilizer LLCEIA operator ID 9383
- Grid
- TECBalancing authority TEC
- Price nodes
- None linkedNo verified ISO node
- Location
- Polk County, FL27.7652, −81.9388
- EIA plant ID
- 10004EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Mosaic South Pierce Operations produces
Free · EIA-923Net generation, 2025
87.5 GWh
87,532 MWh, final
Capacity factor, 2025
Not reported
2024: 30.1%
January to July 2026
32.1 GWh
Provisional
Range, 2015 to 2025
87.5–254.5
GWh a year. Low 2025, high 2019
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | 306,821 | Not reported | 12 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | 274,021 | Not reported | 12 of 12 |
| 2005 | 251,031 | Not reported | 11 of 12 |
| 2006 | 203,097 | Not reported | 12 of 12 |
| 2007 | 138,613 | Not reported | 12 of 12 |
| 2008 | 135,224 | Not reported | 12 of 12 |
| 2009 | 42,948 | Not reported | 12 of 12 |
| 2010 | 78,260 | 19.6% | 12 of 12 |
| 2011 | 158,725 | 39.8% | 12 of 12 |
| 2012 | 161,046 | Not reported | 12 of 12 |
| 2013 | 207,942 | 52.2% | 12 of 12 |
| 2014 | 238,284 | 59.8% | 12 of 12 |
| 2015 | 242,410 | 60.8% | 12 of 12 |
| 2016 | 204,757 | 51.2% | 12 of 12 |
| 2017 | 220,911 | 55.4% | 12 of 12 |
| 2018 | 247,545 | 62.1% | 12 of 12 |
| 2019 | 254,544 | 63.9% | 12 of 12 |
| 2020 | 195,871 | 49.0% | 12 of 12 |
| 2021 | 119,256 | 29.9% | 12 of 12 |
| 2022 | 99,913 | 25.1% | 12 of 12 |
| 2023 | 155,756 | 39.1% | 12 of 12 |
| 2024 | 120,398 | 30.1% | 12 of 12 |
| 2025 | 87,532 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | 32,147 | 16.6% | 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 |
|---|---|---|---|
| TG2 | All Other | 38.0 | January 1992 |
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 Fertilizer LLC 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 Mosaic South Pierce Operations
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Questions about Mosaic South Pierce Operations
How much power does Mosaic South Pierce Operations produce?
Mosaic South Pierce Operations reported 87,532 MWh (87.5 GWh) of net generation in 2025. From January to July 2026 it reported 32.1 GWh, which is provisional.
Where is Mosaic South Pierce Operations?
Mosaic South Pierce Operations is in Polk County, Florida, at 27.7652, −81.9388. It is in the Tampa Electric Company balancing area (TEC).
Who operates Mosaic South Pierce Operations?
EIA-860M for August 2026 lists Mosaic Fertilizer LLC as the operator (EIA operator ID 9383). The operator is not always the owner.
When did Mosaic South Pierce Operations start operating?
Its first generator began operating in January 1992, 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