Mosaic South Pierce Operations
Mosaic South Pierce Operations is a 38 MW power plant in Polk County, Florida, operated by Mosaic Fertilizer LLC. EIA-860M lists 1 generating unit here. Its unit entered service in 1992.
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
- 38 MW
- 33 MW net summer
- Generating units
- 1
- In service
- 1992
- EIA plant ID
- 10004
Where it is
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- County
- Polk County, Florida
- Coordinates
- 27.7652, -81.9388
- Balancing authority
- TEC
- Sector
- Industrial CHP
Units, technology and status
- Operator of record
- Mosaic Fertilizer LLC
- Primary energy source
- Other
- Technologies
- All Other
- Status
- Operating
Mosaic South Pierce Operations: FAQ
- Where is Mosaic South Pierce Operations?
- In Polk County, Florida (FL). 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 South Pierce Operations?
- 38 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns Mosaic South Pierce Operations?
- EIA-860M names Mosaic Fertilizer LLC 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 South Pierce Operations LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Mosaic Fertilizer LLC 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 South Pierce Operations LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Mosaic South Pierce Operations still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.