Solana Generating Station
Solar power plant in Maricopa County, Arizona. 280 MW of nameplate capacity across 2 generators, operated by Arizona Solar One LLC.
Also known as EIA plant 56812
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 280 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- October 2013First generator online
- Operator
- Arizona Solar One LLCEIA operator ID 56023
- Grid
- AZPSBalancing authority AZPS
- Price nodes
- None linkedNo verified ISO node
- Location
- Maricopa County, AZ32.9223, −112.9559
- EIA plant ID
- 56812EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Solana produces
Free · EIA-923Net generation, 2025
846 GWh
845,906 MWh, final
Capacity factor, 2025
34.5%
2024: 33.7%
January to July 2026
526 GWh
Provisional
Range, 2015 to 2025
643.7–845.9
GWh a year. Low 2016, high 2025
| 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 | 89,248 | Not reported | 4 of 12 |
| 2014 | 603,567 | 24.6% | 12 of 12 |
| 2015 | 718,843 | 29.3% | 12 of 12 |
| 2016 | 643,670 | 26.2% | 12 of 12 |
| 2017 | 723,966 | 29.5% | 12 of 12 |
| 2018 | 776,013 | 31.6% | 12 of 12 |
| 2019 | 791,642 | 32.3% | 12 of 12 |
| 2020 | 775,704 | 31.5% | 12 of 12 |
| 2021 | 694,569 | 28.3% | 12 of 12 |
| 2022 | 695,648 | 28.4% | 12 of 12 |
| 2023 | 774,723 | 31.6% | 12 of 12 |
| 2024 | 828,183 | 33.7% | 12 of 12 |
| 2025 | 845,906 | 34.5% | 12 of 12 |
| 2026 (provisional, partial year) | 525,856 | 36.9% | 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 CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
807
million gallons
Consumption, 2024
807
million gallons
Source
On-Site Groundwater
Ground, Brackish. Induced-draft tower
Watershed stress
Severe · 0.994
USGS SUI, HUC12 Painted Rock Mountains
12 of 12 cooling months report withdrawal. Saline, brackish or ocean intake; not tested. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GEN 1 | Solar Thermal with Energy Storage | 140.0 | October 2013 |
| GEN2 | Solar Thermal with Energy Storage | 140.0 | October 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 Arizona Solar One 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 Solana
How much power does Solana Generating Station produce?
Solana Generating Station reported 845,906 MWh (846 GWh) of net generation in 2025, a 34.5% capacity factor on 280 MW of nameplate capacity. From January to July 2026 it reported 526 GWh, which is provisional.
Where is Solana Generating Station?
Solana Generating Station is in Maricopa County, Arizona, at 32.9223, −112.9559. It is in the Arizona Public Service Company balancing area (AZPS).
Who operates Solana Generating Station?
EIA-860M for August 2026 lists Arizona Solar One LLC as the operator (EIA operator ID 56023). The operator is not always the owner.
When did Solana Generating Station start operating?
Its first generator began operating in October 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)
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page