Valencia
Natural gas power plant in Santa Cruz County, Arizona. 54 MW of nameplate capacity across 1 generator, operated by UNS Electric, Inc.
Also known as Valencia Power Plant · EIA plant 6515
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Key facts
- Capacity
- 54 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- June 2006First generator online
- Operator
- UNS Electric, IncEIA operator ID 19728
- Grid
- TEPCBalancing authority TEPC
- Price nodes
- None linkedNo verified ISO node
- Location
- Santa Cruz County, AZ31.3635, −110.9313
- EIA plant ID
- 6515EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Valencia produces
Free · EIA-923Net generation, 2025
6.78 GWh
6,779 MWh, final
Capacity factor, 2025
0.7%
2024: 0.5%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
0.0–27.4
GWh a year. Low 2015, high 2019
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 0 | Not reported | 12 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | 1,489 | Not reported | 12 of 12 |
| 2003 | 1,846 | Not reported | 12 of 12 |
| 2004 | 1,236 | Not reported | 12 of 12 |
| 2005 | 1,460 | Not reported | 12 of 12 |
| 2006 | 558 | Not reported | 12 of 12 |
| 2007 | 3,174 | Not reported | 12 of 12 |
| 2008 | 15,916 | Not reported | 12 of 12 |
| 2009 | 19,948 | Not reported | 12 of 12 |
| 2010 | 22,854 | 2.5% | 12 of 12 |
| 2011 | 19,085 | 2.1% | 12 of 12 |
| 2012 | 18,800 | 2.1% | 12 of 12 |
| 2013 | 22,751 | Not reported | 12 of 12 |
| 2014 | 517 | 0.1% | 12 of 12 |
| 2015 | 0 | 0.0% | 12 of 12 |
| 2016 | 620 | 0.1% | 12 of 12 |
| 2017 | 3,016 | 0.3% | 12 of 12 |
| 2018 | 3,042 | 0.3% | 12 of 12 |
| 2019 | 27,404 | 2.9% | 12 of 12 |
| 2020 | 8,212 | 0.9% | 12 of 12 |
| 2021 | 3,707 | 0.4% | 12 of 12 |
| 2022 | 3,380 | 0.4% | 12 of 12 |
| 2023 | 5,650 | 0.6% | 12 of 12 |
| 2024 | 4,779 | 0.5% | 12 of 12 |
| 2025 | 6,779 | 0.7% | 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 |
|---|---|---|---|
| GT4 | Natural Gas Fired Combustion Turbine | 54.0 | June 2006 |
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 UNS Electric, Inc 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 Valencia
More plants operated by UNS Electric, Inc
Questions about Valencia
How much power does Valencia produce?
Valencia reported 6,779 MWh (6.78 GWh) of net generation in 2025, a 0.7% capacity factor on 54 MW of nameplate capacity.
Where is Valencia?
Valencia is in Santa Cruz County, Arizona, at 31.3635, −110.9313. It is in the Tucson Electric Power Company balancing area (TEPC).
Who operates Valencia?
EIA-860M for August 2026 lists UNS Electric, Inc as the operator (EIA operator ID 19728). The operator is not always the owner.
When did Valencia start operating?
Its first generator began operating in June 2006, 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)
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page