Harquahala Sun Solar Project

TBD, Tonopah, AZ 85354

Plant Summary Information

Harquahala Sun Solar Project is ranked #49 out of 169 power plants in Arizona in terms of total annual net electricity generation.

Harquahala Sun Solar Project generated 88.8 GWh during the 3-month period between September 2025 to December 2025.

Plant Name	Harquahala Sun Solar Project
Utility Name	Copia Power
Location	Maricopa County, AZ
Initial Operation Date	Not Available
Last Update	Dec 2025
Annual Generation	316.8 GWh
Annual Consumption	1.1 M MMBtu
Ranked #1,914 out of 12,613 Power Plants Nationwide
Ranked #243 out of 6,463 Solar Power Plants Nationwide
Ranked #49 out of 169 Arizona Power Plants
Ranked #20 out of 116 Arizona Solar Power Plants
Fuel Types	Solar
Previous Operator	Harquahala Sun Solar Project (2022 to 2023) Copia Power (2024 to 2024)

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Summary Information
Plant Name	Harquahala Sun Solar Project (66670)
Plant Address	TBD, Tonopah, AZ 85354
Utility	Copia Power (66217)
Latitude, Longitude	33.44065, -113.1352
Generation Dates on File	May 2025 to Dec 2025
Initial Operation Date	Not Available
Annual Generation	316.8 GWh
Fuel Types	Solar

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Non-Regulated
NERC Region	WECC
Balancing Authority	Arizona Public Service Company (AZPS)
NAICS Code	Utilities (22)
Sector	IPP Non-CHP (2)
Water Source
Ash Impoundment
Transmission / Distribution Owner	Arizona Public Service Co (803) AZ
Grid Voltage	500.00 kV
Energy Storage	No

* Data obtained from the 2024 EIA 860 Report

Owner Name	Address	Ownership
Copia Power	24853 Del Prado, Dana Point, CA 92629	100.00%

Power plants with a similar annual net generation from Solar.

Rank	Plant Name	Plant Location	Annual Generation
#233	Sun Streams 2	Hassayampa, AZ	328.2 GWh
#234	Fifth Standard Solar PV, LLC (Hybrid)	Huron, CA	301.1 GWh
#235	Edwards Sanborn E4	Mojave, CA	321.3 GWh
#236	Golden Triangle II	St.Artesia, MS	319.3 GWh
#237	American Kings Solar, LLC	Lemoore, CA	324.4 GWh
#238	South Cheyenne Solar	South Greeley, WY	322.7 GWh
#239	Cove Mountain Solar 2	Beryl, UT	321.4 GWh
#240	Lily Solar Hybrid	Scurry, TX	318.4 GWh
#241	Quitman Solar	Quitman, GA	320.2 GWh
#242	Umbriel Solar	Livington, TX	318.9 GWh
#244	Elora Solar	Elora, TN	316.0 GWh
#245	Big River Solar	Norris City, IL	314.7 GWh
#246	Darien Solar	Darien, WI	314.6 GWh
#247	Daybreak Solar	Maupin, OR	314.6 GWh
#248	Edwards Sanborn E2	Mojave, CA	300.8 GWh
#249	Wolf Run Solar	Chapin, IL	314.5 GWh
#250	Storey Solar and Storage	Coolidge, AZ	300.8 GWh
#251	Quitman II Solar	Quitman, GA	314.0 GWh
#252	Morris Ridge Solar	Mount Morris, NY	313.3 GWh
#253	Washington County Solar	Sandersville, GA	312.2 GWh

Below are closest 20 power plants surrounding Harquahala Sun Solar Project.

Plant Name	Plant Location	Annual Generation	Distance
Agave	Arlington, AZ	346.4 GWh	18.9 mi
Arlington Valley Energy Facility	Arlington, AZ	3.3 TWh	15.7 mi
Arlington Valley Solar Energy II	Arlington, AZ	341.2 GWh	19.8 mi
Badger 1	Tonopah, AZ	33.2 GWh	19 mi
Harquahala 2	Tonopah, AZ	647.6 GWh	2 mi
Harquahala Generating Project	Tonopah, AZ	2.9 TWh	2.7 mi
Mesquite Generating Station Block 1	Arlington, AZ	3.5 TWh	17 mi
Mesquite Generating Station Block 2	Arlington, AZ	4.0 TWh	17 mi
Mesquite Solar 1	Tonopah, AZ	401.4 GWh	15 mi
Mesquite Solar 2, LLC	Tonopah, AZ	285.5 GWh	14.9 mi
Mesquite Solar 3, LLC	Tonopah, AZ	443.4 GWh	13.1 mi
Mesquite Solar 4, LLC	Tonopah, AZ	144.4 GWh	14.8 mi
Mesquite Solar 5, LLC	Tonopah, AZ	134.4 GWh	14.9 mi
Palo Verde	Wintersburg, AZ	31.3 TWh	16.2 mi
Red Hawk	Arlington, AZ	4.8 TWh	18.5 mi
Saddle Mountain Solar I	Tonopah, AZ	34.5 GWh	5 mi
Sun Streams 2	Hassayampa, AZ	328.2 GWh	20.2 mi
Sun Streams 3	Arlington, AZ	493.5 GWh	20.1 mi
Sun Streams 4	Tonopah, AZ	647.2 GWh	21.2 mi
Sun Streams, LLC	Arlington, AZ	411.7 GWh	18.5 mi