Valencia

1741N. Grand Ave, Nogales, AZ 85621

Plant Summary Information

Valencia is ranked #29 out of 35 natural gas power plants in Arizona in terms of total annual net electricity generation.

Valencia is comprised of 4 generators and generated 1.6 GWh during the 3-month period between September 2025 to December 2025.

Plant Name	Valencia
Utility Name	UNS Electric, Inc
Location	Santa Cruz County, AZ
Initial Operation Date	August 1989
Last Update	Dec 2025
Annual Generation	6.8 GWh
Annual Consumption	89.3 k MMBtu
Ranked #7,492 out of 13,081 Power Plants Nationwide
Ranked #1,666 out of 2,206 Natural Gas Power Plants Nationwide
Ranked #134 out of 176 Arizona Power Plants
Ranked #29 out of 35 Arizona Natural Gas Power Plants
Fuel Types	Natural Gas : 93.0% Distillate Fuel Oil : 7.0%

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Monthly Net Generation for Valencia

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Monthly Plant Fuel Consumption for Valencia

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Valencia Details

Summary Information
Plant Name	Valencia (6515)
Plant Address	1741N. Grand Ave, Nogales, AZ 85621
Utility	UNS Electric, Inc (19728)
Latitude, Longitude	31.36347, -110.93134
Generation Dates on File	Jan 2002 to Dec 2025
Initial Operation Date	August 1989
Annual Generation	6.8 GWh
Fuel Types	Natural Gas : 93.0% Distillate Fuel Oil : 7.0%

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	Regulated
NERC Region	WECC
Balancing Authority	Tucson Electric Power Company (TEPC)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source
Ash Impoundment	No
Transmission / Distribution Owner	UNS Electric, Inc (19728) AZ
Grid Voltage	138.00 kV
Energy Storage	No

Natural Gas Information
Local Distribution Company (LDC)	UNS GAS INC
Natural Gas Storage	No
Liquefied Natural Gas Storage	No

* Data obtained from the 2025 EIA 860 Report

Generator GT1 Details Standby August 1989

Technology	Natural Gas Fired Combustion Turbine
Prime Mover	Combustion Turbine
Ownership	Single Owner
Nameplate Capacity	18 MW
Nameplate Power Factor	0.85
Summer Capacity	12 MW
Winter Capacity	13 MW
Minimum Load	8 MW
Uprate/Derate Completed	No
Status	Standby
Synchronized To Transmission Grid	Yes
First Operation Date	August 1989
Combined Heat & Power	No

Sector Name	Electric Utility (1)
Energy Source	Natural Gas / Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Fluidized Bed Technology	No
Pulverized Coal Technology	No
Supercritical Technology	No
Ultrasupercritical Technology	No
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	Yes

Multifuel Details
Cofire Energy Source	NG / DFO
Switch When Operating	Yes
Net Summer Capacity With Natural Gas	12 MW
Net Winter Capacity With Natural Gas	13 MW
Net Summer Capacity With Oil	13 MW
Net Winter Capacity With Oil	13 MW
Time To Switch From Gas To Oil	1H
Time To Switch From Oil To Gas	1H
Factors That Limit Switching	No

Generator GT2 Details Standby August 1989

Technology	Natural Gas Fired Combustion Turbine
Prime Mover	Combustion Turbine
Ownership	Single Owner
Nameplate Capacity	18 MW
Nameplate Power Factor	0.85
Summer Capacity	12 MW
Winter Capacity	13 MW
Minimum Load	8 MW
Uprate/Derate Completed	No
Status	Standby
Synchronized To Transmission Grid	Yes
First Operation Date	August 1989
Combined Heat & Power	No

Sector Name	Electric Utility (1)
Energy Source	Natural Gas / Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Fluidized Bed Technology	No
Pulverized Coal Technology	No
Supercritical Technology	No
Ultrasupercritical Technology	No
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	Yes

Multifuel Details
Cofire Energy Source	NG / DFO
Switch When Operating	Yes
Net Summer Capacity With Natural Gas	12 MW
Net Winter Capacity With Natural Gas	13 MW
Net Summer Capacity With Oil	13 MW
Net Winter Capacity With Oil	13 MW
Time To Switch From Gas To Oil	1H
Time To Switch From Oil To Gas	1H
Factors That Limit Switching	No

Generator GT3 Details Standby August 1989

Technology	Natural Gas Fired Combustion Turbine
Prime Mover	Combustion Turbine
Ownership	Single Owner
Nameplate Capacity	18 MW
Nameplate Power Factor	0.85
Summer Capacity	12 MW
Winter Capacity	13 MW
Minimum Load	8 MW
Uprate/Derate Completed	No
Status	Standby
Synchronized To Transmission Grid	Yes
First Operation Date	August 1989
Combined Heat & Power	No

Sector Name	Electric Utility (1)
Energy Source	Natural Gas / Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Fluidized Bed Technology	No
Pulverized Coal Technology	No
Supercritical Technology	No
Ultrasupercritical Technology	No
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	Yes

Multifuel Details
Cofire Energy Source	NG / DFO
Switch When Operating	Yes
Net Summer Capacity With Natural Gas	12 MW
Net Winter Capacity With Natural Gas	13 MW
Net Summer Capacity With Oil	13 MW
Net Winter Capacity With Oil	13 MW
Time To Switch From Gas To Oil	1H
Time To Switch From Oil To Gas	1H
Factors That Limit Switching	No

Generator GT4 Details Operating June 2006

Technology	Natural Gas Fired Combustion Turbine
Prime Mover	Combustion Turbine
Ownership	Single Owner
Nameplate Capacity	54 MW
Nameplate Power Factor	0.8
Summer Capacity	19.8 MW
Winter Capacity	21.2 MW
Minimum Load	5 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	June 2006
Combined Heat & Power	No

Sector Name	Electric Utility (1)
Energy Source	Natural Gas / Distillate Fuel Oil
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Fluidized Bed Technology	No
Pulverized Coal Technology	No
Supercritical Technology	No
Ultrasupercritical Technology	No
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	Yes

Multifuel Details
Cofire Energy Source	NG / DFO
Switch When Operating	Yes
Net Summer Capacity With Natural Gas	18.9 MW
Net Winter Capacity With Natural Gas	20 MW
Net Summer Capacity With Oil	18.9 MW
Net Winter Capacity With Oil	20 MW
Time To Switch From Gas To Oil	1H
Time To Switch From Oil To Gas	1H
Factors That Limit Switching	No

Valencia Plant Owners

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

Power Plants with Similar Net Generation

Power plants with a similar annual net generation from Natural Gas.

Rank	Plant Name	Plant Location	Annual Generation
#1656	Comcast - Universal City	Universal City, CA	6.9 GWh
#1657	Ingredion Winston Salem	Winston-Salem, NC	28.8 GWh
#1658	Bos Dairy, LLC	Fair Oaks, IN	6.8 GWh
#1659	Wellhead Power Panoche	Firebaugh, CA	6.8 GWh
#1660	Carthage Energy LLC	Carthage, NY	6.7 GWh
#1661	Herrema Dairy	Fair Oaks, IN	6.6 GWh
#1662	McPherson 3	McPherson, KS	7.5 GWh
#1663	Smith College Central Heating Plant	Northampton, MA	6.5 GWh
#1664	Midway Peaking LLC	Firebaugh, CA	6.5 GWh
#1665	Hidden View Dairy, LLC	Rensselaer, IN	6.4 GWh
#1667	Harrisburg Facility	Harrisburg, PA	100.7 GWh
#1668	Indigo Energy Facility	North Palm Springs, CA	6.2 GWh
#1669	Wellington 1	Wellington, KS	6.1 GWh
#1670	Midway Sunset Cogen	Fellows, CA	6.0 GWh
#1671	Sinclair Oil Refinery	Sinclair, WY	5.9 GWh
#1672	Washington City Electric Generation	Washington, UT	5.9 GWh
#1673	Powerton	Pekin, IL	3.2 TWh
#1674	Morgan Creek	Colorado City, TX	35.3 GWh
#1675	Double C Generation Limited Partnership	Bakersfield, CA	5.6 GWh
#1676	High Sierra Limited	Bakersfield, CA	5.6 GWh

Nearby Power Plants

Below are closest 20 power plants surrounding Valencia.

Plant Name	Plant Location	Annual Generation	Distance
Amazon TUS2	Tucson, AZ	5.5 GWh	53.2 mi
Avalon Solar	Pima, AZ	64.2 GWh	44.1 mi
Avalon Solar II	Sahuarita, AZ	42.9 GWh	44.1 mi
Babacomari Solar	Huachuca, AZ	155.5 GWh	36.6 mi
Cogenra - TEP	Tucson, AZ	1.9 GWh	51.5 mi
Fort Huachuca Solar PV Project	Sierra Vista, AZ	34.8 GWh	36.7 mi
Gato Montes Solar, LLC	Tucson, AZ	7.4 GWh	51.5 mi
H Wilson Sundt Generating Station	Tucson, AZ	1.9 TWh	55.1 mi
Iron Horse Battery Storage Hybrid	Tucson, AZ	4.2 GWh	51.2 mi
Pima Community College	Tucson, AZ	1.3 GWh	55.9 mi
Pima Community College - East Campus	Tucson, AZ	2.8 GWh	54.2 mi
Prairie Fire	Tucson, AZ	7.7 GWh	52.4 mi
Raptor Ridge	Tucson, AZ	35.5 GWh	54.2 mi
Rio Rico Solar	Rio Rico, AZ	3.0 GWh	10.5 mi
Tech Park Solar	Tucson, AZ	12.4 GWh	51.2 mi
TJX Tucson	Tucson, AZ	2.1 GWh	52.6 mi
UASTP I	Tucson, AZ	2.1 GWh	51.2 mi
Valencia Solar	Tucson, AZ	26.6 GWh	54.2 mi
Wilmot Energy Center II	Sahuarita, AZ	52.4 GWh	29.9 mi
Wilmot Energy Center LLC	Tucson, AZ	270.0 GWh	47 mi