WE Soda Alkalai LLC
Coal power plant in Sweetwater County, Wyoming. 31 MW of nameplate capacity across 5 generators, operated by WE Soda Alkali.
Also known as EIA plant 57915
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 31 MWNameplate
- Generators
- 5 operatingEIA-860M, August 2026
- Operating since
- June 1953First generator online
- Operator
- WE Soda AlkaliEIA operator ID 61167
- Grid
- PACEBalancing authority PACE
- Price nodes
- None linkedNo verified ISO node
- Location
- Sweetwater County, WY41.6217, −109.8119
- EIA plant ID
- 57915EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power WE Soda Alkalai produces
Free · EIA-923Net generation, 2025
269 GWh
268,907 MWh, final
Capacity factor, 2025
74.9%
2024: 72.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
212.6–304.5
GWh a year. Low 2020, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | 278,093 | 77.4% | 12 of 12 |
| 2012 | 240,617 | 66.8% | 12 of 12 |
| 2013 | 279,086 | 77.7% | 12 of 12 |
| 2014 | 297,734 | 82.9% | 12 of 12 |
| 2015 | 275,121 | 76.6% | 12 of 12 |
| 2016 | 277,147 | 77.0% | 12 of 12 |
| 2017 | 271,824 | 75.7% | 12 of 12 |
| 2018 | 304,480 | 84.8% | 12 of 12 |
| 2019 | 286,445 | 79.8% | 12 of 12 |
| 2020 | 212,641 | 59.0% | 12 of 12 |
| 2021 | 244,436 | 68.1% | 12 of 12 |
| 2022 | 281,417 | 78.4% | 12 of 12 |
| 2023 | 264,364 | 73.6% | 12 of 12 |
| 2024 | 259,495 | 72.1% | 12 of 12 |
| 2025 | 268,907 | 74.9% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Conventional Steam Coal | 3.5 | June 1953 |
| 2 | Conventional Steam Coal | 3.5 | June 1953 |
| 3 | Conventional Steam Coal | 4.0 | June 1964 |
| 4 | Conventional Steam Coal | 10.0 | June 1972 |
| 6 | Conventional Steam Coal | 10.0 | June 1975 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists WE Soda Alkali as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Questions about WE Soda Alkalai
How much power does WE Soda Alkalai LLC produce?
WE Soda Alkalai LLC reported 268,907 MWh (269 GWh) of net generation in 2025, a 74.9% capacity factor on 31 MW of nameplate capacity.
Where is WE Soda Alkalai LLC?
WE Soda Alkalai LLC is in Sweetwater County, Wyoming, at 41.6217, −109.8119. It is in the PacifiCorp - East balancing area (PACE).
Who operates WE Soda Alkalai LLC?
EIA-860M for August 2026 lists WE Soda Alkali as the operator (EIA operator ID 61167). The operator is not always the owner.
When did WE Soda Alkalai LLC start operating?
Its first generator began operating in June 1953, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page