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135.5 MW Waste Heat operating in Polk, FL
135.5 MW
Nameplate Capacity
4
Generators
units
All Other
Technology
1981
Operating Since
Coordinates
27.8336, -82.0519
County
Polk, FL
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Mosaic Fertilizer LLC | — | — |
| Owner(s) | Mosaic Fertilizer LLC | — | — |
| Status | Operating | — | — |
Mosaic New Wales Operations is a 135.5 MW power plant located in Polk County, Florida. The plant began operating in 1981 and is owned and operated by Mosaic Fertilizer LLC. It utilizes waste heat (WH) as its primary fuel source and consists of four generators employing "All Other" technologies. The balancing authority for the plant is Tampa Electric Company, and it falls within the SERC NERC region.
In the most recent year with available data, Mosaic New Wales Operations generated 365,651 MWh of electricity, achieving a capacity factor of 30.8%. According to available rankings, the plant is the largest of its kind in Florida and also holds the top position nationally.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Tampa Electric Company (TEC)
Grid Voltage
69.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Industrial
Sector
Industrial CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
30.4K MWh
Latest Month
365.7K MWh
Annual Generation
30.8%
Capacity Factor
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No financial data available for this plant.
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Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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