Simplot Phosphates — Plant Summary
- EIA Plant ID
- 54472
- Capacity
- 11.5 MW
- Primary Fuel
- WH
- Technology
- All Other
- Status
- Operating
- Location
- Sweetwater, WY
- Operating Since
- 1986
- Generators
- 1
- Operator
- Simplot Phosphates LLC
- Parent Company
- —
- Annual Generation
- 99,214.51 MWh
- Capacity Factor
- 94.5%
- Balancing Authority
- PacifiCorp - East
- ISO/RTO
- —
- NERC Region
- WECC
Simplot Phosphates
OperatingWaste Heat
Ranked #1 of 1 Waste Heat plants in WY#23 of 33 nationally
11.5 MW Waste Heat operating in Sweetwater, WY — PacifiCorp - East
EIAWD
11.5 MW
Nameplate Capacity
1
Generators
unit
All Other
Technology
1986
Operating Since
Location
Coordinates
41.5417, -109.1328
County
Sweetwater, WY
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Simplot Phosphates LLC | — | — |
| Owner(s) | Simplot Phosphates LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Simplot Phosphates is a waste heat power plant located in Sweetwater County, Wyoming. The plant, owned and operated by Simplot Phosphates LLC, has a total capacity of 11.5 MW. It began operating in 1986 and utilizes a single generator with "All Other" technology. The plant is the largest of its kind in Wyoming and ranks 21st nationally among waste heat plants.
In the most recent year of data, Simplot Phosphates generated 99,215 MWh of electricity, achieving a capacity factor of 94.5%. The plant operates within the PacifiCorp - East balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. The plant has been the subject of 9 news articles, with coverage focusing on industry and regulatory matters.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
PacifiCorp - East
Grid Voltage
34.5 kV
Regulatory Status
NR
Entity Type
Industrial
Sector
Industrial CHP
Generation
9.3K MWh
Latest Month
99.2K MWh
Annual Generation
94.5%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
General
Itafos Conda Project, USA
The Itafos Conda Project is a vertically integrated phosphate fertilizer project currently operational in Idaho, USA.
NS Energy·1 years ago
Regulatory·federal policy
Fertilizer Manufacturer to Pay $1.5M for Environmental Violations
The Justice Department and the Environmental Protection Agency on Tuesday announced a settlement with JR Simplot Company involving Simplot's Don Plant...
Justice Department (regulator)Environmental Protection Agency (regulator)
Food Manufacturing·2 years ago
Industry·other
Simplot to spend $150 million on fertilizer process upgrades under settlement
The JR Simplot Company will spend about $150 million on waste processing upgrades at its Don Plant fertilizer manufacturing facility outside Pocatello.
JR Simplot Company (operator)
Idaho Public Television·2 years ago
Regulatory·federal policy
Simplot to pay $775,000 for alleged hazardous waste violations
Agreement with the EPA would resolve claims the fertilizer company violated waste and community-protection laws. Simplot would change...
Simplot (other)EPA (regulator)
WyoFile·5 years ago
Last updated 2026-03-26
View all 10 articles