Mosaic Phosphates Uncle Sam
Mosaic Phosphates Uncle Sam is a 26 MW power plant in St James County, Louisiana, operated by Mosaic Phosphates Co.. EIA-860M lists 2 generating units here, inside MISO. Its units entered service between 1968 and 2016.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 26 MW
- 26 MW net summer
- Generating units
- 2
- In service
- 1968–2016
- EIA plant ID
- 10198
Where it is
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- County
- St James County, Louisiana
- Coordinates
- 30.0386, -90.8283
- Balancing authority
- MISO
- Sector
- Industrial CHP
Units, technology and status
- Operator of record
- Mosaic Phosphates Co.
- Primary energy source
- Other
- Technologies
- All Other
- Status
- Operating
Mosaic Phosphates Uncle Sam: FAQ
- Where is Mosaic Phosphates Uncle Sam?
- In St James County, Louisiana (LA). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is Mosaic Phosphates Uncle Sam?
- 26 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
- Who owns Mosaic Phosphates Uncle Sam?
- EIA-860M names Mosaic Phosphates Co. as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is this the same as Mosaic Phosphates Uncle Sam LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Mosaic Phosphates Co. here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Mosaic Phosphates Uncle Sam LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Mosaic Phosphates Uncle Sam still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.