Cotton Center Solar Hybrid
Solar and battery storage project in Maricopa County, Arizona. 34 MW of nameplate capacity across 2 generators, operated by Arizona Public Service Co.
Also known as EIA plant 57561
This project groups Cotton Center Solar Hybrid (EIA 57561). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 34 MWSolar 17.0 · Battery storage 17.0
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- November 2011First generator online
- Operator
- Arizona Public Service CoEIA operator ID 803
- Grid
- AZPSBalancing authority AZPS
- Price nodes
- None linkedNo verified ISO node
- Location
- Maricopa County, AZ33.0347, −112.6617
- EIA plant ID
- 57561EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Cotton Center Solar Hybrid produces
Free · EIA-923Net generation, 2025
29.4 GWh
29,432 MWh, final
Capacity factor, 2025
21.8%
2024: 26.4%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
29.4–42.8
GWh a year. Low 2025, high 2015
| 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 | 11,552 | 38.5% | 12 of 12 |
| 2012 | 46,172 | 30.9% | 12 of 12 |
| 2013 | 43,658 | 29.3% | 12 of 12 |
| 2014 | 43,648 | 29.3% | 12 of 12 |
| 2015 | 42,798 | 28.7% | 12 of 12 |
| 2016 | 38,993 | 26.1% | 12 of 12 |
| 2017 | 32,594 | 21.9% | 12 of 12 |
| 2018 | 36,792 | 24.7% | 12 of 12 |
| 2019 | 39,075 | 26.2% | 12 of 12 |
| 2020 | 39,081 | 26.2% | 12 of 12 |
| 2021 | 40,865 | 27.4% | 12 of 12 |
| 2022 | 34,814 | 23.4% | 12 of 12 |
| 2023 | 32,712 | Not reported | 9 of 12 |
| 2024 | 36,492 | 26.4% | 12 of 12 |
| 2025 | 29,432 | 21.8% | 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 |
|---|---|---|---|
| CC17M | Batteries | 17.0 | April 2023 |
| PV1 | Solar Photovoltaic | 17.0 | November 2011 |
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 Public Service Co 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 Cotton Center Solar Hybrid
More plants operated by Arizona Public Service Co
Questions about Cotton Center Solar Hybrid
How much power does Cotton Center Solar Hybrid produce?
Cotton Center Solar Hybrid reported 29,432 MWh (29.4 GWh) of net generation in 2025, a 21.8% capacity factor on 34 MW of nameplate capacity.
Where is Cotton Center Solar Hybrid?
Cotton Center Solar Hybrid is in Maricopa County, Arizona, at 33.0347, −112.6617. It is in the Arizona Public Service Company balancing area (AZPS).
Who operates Cotton Center Solar Hybrid?
EIA-860M for August 2026 lists Arizona Public Service Co as the operator (EIA operator ID 803). The operator is not always the owner.
Is Cotton Center Solar Hybrid a solar or a battery storage plant?
Both. Solar capacity totals 17 MW and battery storage capacity totals 17 MW.
When did Cotton Center Solar Hybrid start operating?
Its first generator began operating in November 2011, 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