Serrano

16750, Marana, AZ 85653

Plant Summary Information

Serrano is ranked #43 out of 176 power plants in Arizona in terms of total annual net electricity generation.

Serrano generated 123.5 GWh during the 3-month period between February 2026 to May 2026.

Plant Name	Serrano
Utility Name	Serrano Solar, LLC
Location	Pima County, AZ
Initial Operation Date	April 2025
Last Update	May 2026
Annual Generation	422.1 GWh
Annual Consumption	1.7 M MMBtu
Ranked #1,558 out of 13,081 Power Plants Nationwide
Ranked #153 out of 7,015 Solar Power Plants Nationwide
Ranked #43 out of 176 Arizona Power Plants
Ranked #14 out of 121 Arizona Solar Power Plants
Fuel Types	Solar

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Summary Information
Plant Name	Serrano (67503)
Plant Address	16750, Marana, AZ 85653
Utility	Serrano Solar, LLC (66226)
Latitude, Longitude	32.50238, -111.3037
Generation Dates on File	Apr 2025 to May 2026
Initial Operation Date	April 2025
Annual Generation	422.1 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	Yes
FERC Exempt Wholesale Generator Docket Number	EG24-97-000

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	230.00 kV
Energy Storage	Yes

* Data obtained from the 2025 EIA 860 Report

Solar Details
Single Axis Tracking	Yes
DC Net Capacity	220 MW
Thin Film CDTE	Yes
Net Metering Agreement	No
Virtual Net Metering Agreement	No

Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2025
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Electricity used for energy storage

Energy Storage Details
Nameplate Energy Capacity MWH	855
Maximum Charge Rate	100 MW
Maximum Discharge Rate	213.8 MW
Storage Technology	LIB
Nameplate Reactive Power Rating	70.3
Storage Enclosure Type	CS
Load Following	P
Co Located Renewable Firming	Yes
Ac Coupled	Yes
Direct Support Of Another Unit	Yes
Direct Support Plant Id	67503
Direct Support Gen Id	GEN01
Support T D Asset	No

Owner Name	Address	Generator	Ownership
*We couldn't locate any owners for this plant*

Power plants with a similar annual net generation from Solar.

Rank	Plant Name	Plant Location	Annual Generation
#143	Big Elm Solar	Troy, TX	469.6 GWh
#144	TS Power Plant	Battle Mountain, NV	1.6 TWh
#145	Sun Streams 3	Arlington, AZ	428.1 GWh
#146	Golden Triangle	Lowndes, MS	453.9 GWh
#147	Horizon Solar	Pearsall, TX	457.7 GWh
#148	White Wing Solar	Yuma, AZ	455.8 GWh
#149	Pixley Solar Energy	Medicine Lodge, KS	455.7 GWh
#150	Dunns Bridge I Solar	Wheatfield, IN	452.9 GWh
#151	Techren Solar II LLC	Boulder, NV	450.8 GWh
#152	Centinela Solar Energy	Calexico, CA	448.6 GWh
#154	Tres Bahias	Port Lavaca, TX	446.9 GWh
#155	Mesquite Solar 3, LLC	Tonopah, AZ	445.9 GWh
#156	Sandrini Solar 200	Mettler, CA	445.3 GWh
#157	Cutlass Solar II	Richmond, TX	444.1 GWh
#158	Pleinmont Solar 2	Spotsylvania, VA	442.0 GWh
#159	Imperial Valley Solar, LLC	Calexico, CA	441.7 GWh
#160	Orion I Solar Project	Burlington, TX	437.5 GWh
#161	Blue Jay Solar I, LLC	Iola, TX	429.6 GWh
#162	Greasewood Solar	Fort Stockton, TX	433.1 GWh
#163	Muscle Shoals	Cherokee, AL	431.8 GWh

Below are closest 20 power plants surrounding Serrano.

Plant Name	Plant Location	Annual Generation	Distance
Amphitheater High School Solar	Tucson, AZ	1.9 GWh	25.1 mi
Avra Valley Solar	Marana, AZ	61.5 GWh	9.1 mi
Broadway 2 - Tucson Phase II	Tucson, AZ	4.8 GWh	17.7 mi
Broadway 3 - Tucson Phase I	Tucson, AZ	1.1 GWh	17.7 mi
Canyon Del Oro High School Solar	Oro Valley, AZ	2.2 GWh	21.2 mi
Central Line Solar, LLC	Coolidge, AZ	248.1 GWh	27.6 mi
Cogeneration 1	Tucson, AZ	54.1 GWh	27.8 mi
Cogeneration 2	Tucson, AZ	39.2 GWh	27.5 mi
Demoss Petrie	Tucson, AZ	2.1 GWh	25.1 mi
East Line Solar	Coolidge, AZ	234.1 GWh	28.3 mi
North Loop	Tucson, AZ	1.0 GWh	12.5 mi
Picture Rocks Solar, LLC	Marana, AZ	49.6 GWh	9.8 mi
Pima Community College NW	Tucson, AZ	3.0 GWh	19.5 mi
Red Rock	Red Rock, AZ	88.4 GWh	3.5 mi
Roger Road WWTP	Tucson, AZ	988.0 MWh	21.6 mi
Saguaro	Red Rock, AZ	117.5 GWh	3.4 mi
Saint Solar	Coolidge, AZ	279.7 GWh	27.7 mi
Tucson - CAVSARP	Marana, AZ	5.9 GWh	17.9 mi
University of Arizona - Biosphere 2	Oracle, AZ	61.0 MWh	26.8 mi
West Line Solar, LLC	City of Eloy, AZ	238.7 GWh	22.8 mi