Arlington Valley Solar Energy II
Solar power plant in Maricopa County, Arizona. 129 MW of nameplate capacity across 5 generators, operated by Arlington Valley Solar Energy II LLC.
Also known as Arlington Valley Solar Energy II Project · EIA plant 57680
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 129 MWNameplate
- Generators
- 5 operatingEIA-860M, August 2026
- Operating since
- April 2013First generator online
- Operator
- Arlington Valley Solar Energy II LLCEIA operator ID 57004
- Grid
- AZPSBalancing authority AZPS
- Price nodes
- None linkedNo verified ISO node
- Location
- Maricopa County, AZ33.3050, −112.8339
- EIA plant ID
- 57680EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Arlington Valley Solar Energy II produces
Free · EIA-923Net generation, 2025
336 GWh
335,989 MWh, final
Capacity factor, 2025
29.7%
2024: 30.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
335.1–364.4
GWh a year. Low 2018, 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 | 194,722 | Not reported | 9 of 12 |
| 2014 | 365,124 | 32.3% | 12 of 12 |
| 2015 | 356,963 | 31.6% | 12 of 12 |
| 2016 | 364,396 | 32.2% | 12 of 12 |
| 2017 | 357,988 | 31.7% | 12 of 12 |
| 2018 | 335,124 | 29.7% | 12 of 12 |
| 2019 | 348,390 | 30.8% | 12 of 12 |
| 2020 | 361,722 | 31.9% | 12 of 12 |
| 2021 | 353,290 | 31.3% | 12 of 12 |
| 2022 | 354,352 | 31.4% | 12 of 12 |
| 2023 | 348,546 | 30.8% | 12 of 12 |
| 2024 | 341,155 | 30.1% | 12 of 12 |
| 2025 | 335,989 | 29.7% | 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. 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 |
|---|---|---|---|
| AVSE1 | Solar Photovoltaic | 19.0 | April 2013 |
| AVSE2 | Solar Photovoltaic | 28.0 | April 2013 |
| AVSE3 | Solar Photovoltaic | 28.0 | May 2013 |
| AVSE4 | Solar Photovoltaic | 26.0 | August 2013 |
| AVSE5 | Solar Photovoltaic | 28.0 | August 2013 |
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 Arlington Valley Solar Energy II LLC 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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Questions about Arlington Valley Solar Energy II
How much power does Arlington Valley Solar Energy II produce?
Arlington Valley Solar Energy II reported 335,989 MWh (336 GWh) of net generation in 2025, a 29.7% capacity factor on 129 MW of nameplate capacity.
Where is Arlington Valley Solar Energy II?
Arlington Valley Solar Energy II is in Maricopa County, Arizona, at 33.3050, −112.8339. It is in the Arizona Public Service Company balancing area (AZPS).
Who operates Arlington Valley Solar Energy II?
EIA-860M for August 2026 lists Arlington Valley Solar Energy II LLC as the operator (EIA operator ID 57004). The operator is not always the owner.
When did Arlington Valley Solar Energy II start operating?
Its first generator began operating in April 2013, 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