26 MW Waste Heat operating in St James, LA — Midcontinent Independent Transmission System Operator, Inc..
26 MW
Nameplate Capacity
2
Generators
units
All Other
Technology
1968
Operating Since
Coordinates
30.0399, -90.8291
County
St James, LA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Mosaic Phosphates Co. | — | — |
| Owner(s) | Mosaic Phosphates Co. | — | — |
| Status | Operating | — | — |
The Mosaic Phosphates Uncle Sam plant is a 26 MW electricity generating facility located in St. James County, Louisiana. The plant, which began operating in 1968, is owned and operated by Mosaic Phosphates Co. It utilizes waste heat (WH) as its primary fuel source and houses two generators employing "All Other" technologies. The plant operates within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the SERC NERC region.
In terms of generation, Mosaic Phosphates Uncle Sam produced 76,780 MWh in the latest annual reporting period, achieving a capacity factor of 33.6%. The plant holds a relatively small position in the state's power generation landscape, ranking 5th out of 6 waste heat plants in Louisiana. Nationally, it ranks 17th out of 31 similar facilities. The plant has been the subject of 9 news articles, with coverage focusing primarily on industry-related topics (8 articles) and regulatory matters (1 article).
Generated from EIA, GEM, and public data sources
NERC Region
SERC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
34.5 kV
Regulatory Status
NR
Entity Type
Industrial
Sector
Industrial CHP
10.5K MWh
Latest Month
76.8K MWh
Annual Generation
33.6%
Capacity Factor
No financial data available for this plant.
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
LOUISIANA.HUB
Node Source
OSM spatial match
Last updated 2026-03-14
View all 10 articles