West Valley Generation Project
Natural gas power plant in Salt Lake County, Utah. 217 MW of nameplate capacity across 5 generators, operated by Utah Municipal Power Agency.
Also known as West Valley Power Plant · EIA plant 55622
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Key facts
- Capacity
- 217 MWNameplate
- Generators
- 5 operatingEIA-860M, August 2026
- Operating since
- October 2001First generator online
- Operator
- Utah Municipal Power AgencyEIA operator ID 24431
- Grid
- PACEBalancing authority PACE
- Price nodes
- None linkedNo verified ISO node
- Location
- Salt Lake County, UT40.6667, −112.0317
- EIA plant ID
- 55622EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power West Valley Generation Project produces
Free · EIA-923Net generation, 2025
396 GWh
396,464 MWh, final
Capacity factor, 2025
20.9%
2024: 41.5%
January to July 2026
165 GWh
Provisional
Range, 2015 to 2025
102.2–846.4
GWh a year. Low 2016, high 2023
| 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 | 357,829 | Not reported | 6 of 12 |
| 2003 | 580,823 | Not reported | 12 of 12 |
| 2004 | 395,480 | Not reported | 12 of 12 |
| 2005 | 343,889 | Not reported | 12 of 12 |
| 2006 | 457,071 | Not reported | 12 of 12 |
| 2007 | 667,264 | Not reported | 12 of 12 |
| 2008 | 427,167 | Not reported | 12 of 12 |
| 2009 | 237,813 | Not reported | 12 of 12 |
| 2010 | 182,930 | 9.6% | 12 of 12 |
| 2011 | 176,988 | 9.3% | 12 of 12 |
| 2012 | 268,440 | 14.1% | 12 of 12 |
| 2013 | 339,470 | 17.9% | 12 of 12 |
| 2014 | 115,630 | 6.1% | 12 of 12 |
| 2015 | 104,663 | 5.5% | 12 of 12 |
| 2016 | 102,210 | 5.4% | 12 of 12 |
| 2017 | 121,627 | 6.4% | 12 of 12 |
| 2018 | 215,130 | 11.3% | 12 of 12 |
| 2019 | 191,170 | 10.1% | 12 of 12 |
| 2020 | 307,528 | 16.1% | 12 of 12 |
| 2021 | 237,202 | 12.5% | 12 of 12 |
| 2022 | 500,948 | 26.4% | 12 of 12 |
| 2023 | 846,428 | 44.5% | 12 of 12 |
| 2024 | 790,091 | 41.5% | 12 of 12 |
| 2025 | 396,464 | 20.9% | 12 of 12 |
| 2026 (provisional, partial year) | 164,681 | 14.9% | 7 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 CAMPDCO₂, 2025
242,846
US short tons. 2024: 480,295
SO₂, 2025
1
US short tons
NOx, 2025
35
US short tons
CO₂ per MWh, calculated
0.61 t
About 1,225 lb per MWh
5 of 5 EPA units reported CO₂ in 2025 (U1, U2, U3, U4, U5), matched to EIA plant 55622 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
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 |
|---|---|---|---|
| U1 | Natural Gas Fired Combustion Turbine | 43.4 | May 2002 |
| U2 | Natural Gas Fired Combustion Turbine | 43.4 | May 2002 |
| U3 | Natural Gas Fired Combustion Turbine | 43.4 | October 2001 |
| U4 | Natural Gas Fired Combustion Turbine | 43.4 | October 2001 |
| U5 | Natural Gas Fired Combustion Turbine | 43.4 | July 2002 |
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 Utah Municipal Power Agency 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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Power plants near West Valley Generation Project
More plants operated by Utah Municipal Power Agency
Questions about West Valley Generation Project
How much power does West Valley Generation Project produce?
West Valley Generation Project reported 396,464 MWh (396 GWh) of net generation in 2025, a 20.9% capacity factor on 217 MW of nameplate capacity. From January to July 2026 it reported 165 GWh, which is provisional.
Where is West Valley Generation Project?
West Valley Generation Project is in Salt Lake County, Utah, at 40.6667, −112.0317. It is in the PacifiCorp - East balancing area (PACE).
Who operates West Valley Generation Project?
EIA-860M for August 2026 lists Utah Municipal Power Agency as the operator (EIA operator ID 24431). The operator is not always the owner.
When did West Valley Generation Project start operating?
Its first generator began operating in October 2001, 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)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page