Rio Rico Solar
Solar power plant in Santa Cruz County, Arizona. 6 MW of nameplate capacity across 1 generator, operated by UNS Electric, Inc.
Also known as EIA plant 59044
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 6 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- March 2014First generator online
- Operator
- UNS Electric, IncEIA operator ID 19728
- Grid
- TEPCBalancing authority TEPC
- Price nodes
- None linkedNo verified ISO node
- Location
- Santa Cruz County, AZ31.5000, −111.0081
- EIA plant ID
- 59044EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Rio Rico Solar produces
Free · EIA-923Net generation, 2025
3.05 GWh
3,049 MWh, final
Capacity factor, 2025
5.8%
2024: 0.0%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
0.0–12.0
GWh a year. Low 2024, high 2016
| 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 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | 8,179 | Not reported | 10 of 12 |
| 2015 | 10,279 | 19.6% | 12 of 12 |
| 2016 | 11,951 | 22.7% | 12 of 12 |
| 2017 | 11,259 | 21.4% | 12 of 12 |
| 2018 | 11,252 | 21.4% | 12 of 12 |
| 2019 | 11,273 | 21.4% | 12 of 12 |
| 2020 | 11,915 | 22.6% | 12 of 12 |
| 2021 | 9,829 | 18.7% | 12 of 12 |
| 2022 | 7,859 | 15.0% | 12 of 12 |
| 2023 | 4,282 | 8.1% | 12 of 12 |
| 2024 | 0 | 0.0% | 12 of 12 |
| 2025 | 3,049 | 5.8% | 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. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| RRSF | Solar Photovoltaic | 6.0 | March 2014 |
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.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Power plants near Rio Rico Solar
More plants operated by UNS Electric, Inc
Questions about Rio Rico Solar
How much power does Rio Rico Solar produce?
Rio Rico Solar reported 3,049 MWh (3.05 GWh) of net generation in 2025, a 5.8% capacity factor on 6 MW of nameplate capacity.
Where is Rio Rico Solar?
Rio Rico Solar is in Santa Cruz County, Arizona, at 31.5000, −111.0081. It is in the Tucson Electric Power Company balancing area (TEPC).
Who operates Rio Rico Solar?
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 Rio Rico Solar start operating?
Its first generator began operating in March 2014, 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