Harquahala 2
Solar and battery storage project in Maricopa County, Arizona. 600 MW of nameplate capacity across 2 generators, operated by Copia Power.
Also known as Harquahala Sun 2 · EIA plant 67474
This project groups Harquahala 2 (EIA 67474). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 600 MWSolar 300.0 · Battery storage 300.0
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- April 2025First generator online
- Operator
- Copia PowerEIA operator ID 66217
- Grid
- AZPSBalancing authority AZPS
- Price nodes
- None linkedNo verified ISO node
- Location
- Maricopa County, AZ33.4600, −113.1100
- EIA plant ID
- 67474EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Harquahala 2 produces
Free · EIA-923Net generation, 2025
648 GWh
648,280 MWh, final. 9 of 12 months reported
Capacity factor, 2025
Not reported
2024: Not reported
January to July 2026
528 GWh
Provisional
| 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 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | Not reported | Not reported | 0 of 12 |
| 2024 | Not reported | Not reported | 0 of 12 |
| 2025 | 648,280 | Not reported | 9 of 12 |
| 2026 (provisional, partial year) | 527,624 | 36.1% | 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, 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 |
|---|---|---|---|
| BESS1 | Batteries | 300.0 | April 2025 |
| PV1 | Solar Photovoltaic | 300.0 | April 2025 |
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 Copia Power 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 Harquahala 2
More plants operated by Copia Power
Questions about Harquahala 2
How much power does Harquahala 2 produce?
Harquahala 2 reported 648,280 MWh (648 GWh) of net generation in 2025. From January to July 2026 it reported 528 GWh, which is provisional. 9 of 12 months were reported for 2025.
Where is Harquahala 2?
Harquahala 2 is in Maricopa County, Arizona, at 33.4600, −113.1100. It is in the Arizona Public Service Company balancing area (AZPS).
Who operates Harquahala 2?
EIA-860M for August 2026 lists Copia Power as the operator (EIA operator ID 66217). The operator is not always the owner.
Is Harquahala 2 a solar or a battery storage plant?
Both. Solar capacity totals 300 MW and battery storage capacity totals 300 MW.
When did Harquahala 2 start operating?
Its first generator began operating in April 2025, 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