Yucca

7522 South Somerton Ave., Yuma, AZ 85364

Plant Summary Information

Yucca is ranked #21 out of 35 natural gas power plants in Arizona in terms of total annual net electricity generation.

Yucca is comprised of 8 generators and generated 72.1 GWh during the 3-month period between August 2025 to November 2025.

Plant Name	Yucca
Utility Name	Arizona Public Service Co
Location	Yuma County, AZ
Initial Operation Date	April 1959
Last Update	Nov 2025
Annual Generation	215.5 GWh
Annual Consumption	2.7 M MMBtu
Ranked #2,392 out of 12,574 Power Plants Nationwide
Ranked #722 out of 2,244 Natural Gas Power Plants Nationwide
Ranked #59 out of 168 Arizona Power Plants
Ranked #21 out of 35 Arizona Natural Gas Power Plants
Fuel Types	Natural Gas : 98.6% Distillate Fuel Oil : 1.4%

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Monthly Net Generation for Yucca

Yucca Details

Summary Information
Plant Name	Yucca (120)
Plant Address	7522 South Somerton Ave., Yuma, AZ 85364
Utility	Arizona Public Service Co (803)
Latitude, Longitude	32.7214, -114.7106
Generation Dates on File	Jan 2001 to Nov 2025
Initial Operation Date	April 1959
Annual Generation	215.5 GWh
Fuel Types	Natural Gas : 98.6% Distillate Fuel Oil : 1.4%

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	Arizona Public Service Company (AZPS)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Wells
Ash Impoundment	No
Transmission / Distribution Owner	Arizona Public Service Co (803) AZ
Grid Voltage	69.00 kV
Energy Storage	No

Natural Gas Information
Pipeline Name	EL PASO NATURAL GAS COMPANY LLC
Natural Gas Storage	No

* Data obtained from the 2024 EIA 860 Report

Generator ST1 Details Operating April 1959

Technology	Natural Gas Steam Turbine
Prime Mover	Steam Turbine
Ownership	Wholly Owned by Other Entity
Nameplate Capacity	86.7 MW
Nameplate Power Factor	0.9
Summer Capacity	75 MW
Winter Capacity	75 MW
Minimum Load	2 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	April 1959
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas / Residual Fuel Oil
Startup Source	Natural Gas
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	12H
Multiple Fuels	Yes
Cofire Fuels	No
Switch Between Oil And Natural Gas	Yes

Multifuel Details
Switch When Operating	No
Net Summer Capacity With Natural Gas	75 MW
Net Winter Capacity With Natural Gas	75 MW
Net Summer Capacity With Oil	75 MW
Net Winter Capacity With Oil	75 MW
Time To Switch From Gas To Oil	UNK
Time To Switch From Oil To Gas	UNK
Factors That Limit Switching	Yes
Storage Limits	Yes

Generator GT1 Details Operating July 1971

Technology	Natural Gas Fired Combustion Turbine
Prime Mover	Combustion Turbine
Ownership	Single Owner
Nameplate Capacity	22.3 MW
Nameplate Power Factor	0.9
Summer Capacity	17 MW
Winter Capacity	19 MW
Minimum Load	2 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	July 1971
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas / Distillate Fuel Oil
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	No
Switch Between Oil And Natural Gas	Yes

Multifuel Details
Switch When Operating	No
Net Summer Capacity With Natural Gas	18 MW
Net Winter Capacity With Natural Gas	19 MW
Net Summer Capacity With Oil	18 MW
Net Winter Capacity With Oil	19 MW
Time To Switch From Gas To Oil	UNK
Time To Switch From Oil To Gas	1H
Factors That Limit Switching	No

Generator GT2 Details Operating July 1971

Technology	Natural Gas Fired Combustion Turbine
Prime Mover	Combustion Turbine
Ownership	Single Owner
Nameplate Capacity	22.3 MW
Nameplate Power Factor	0.9
Summer Capacity	17 MW
Winter Capacity	19 MW
Minimum Load	2 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	July 1971
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas / Distillate Fuel Oil
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	Yes
Cofire Fuels	No
Switch Between Oil And Natural Gas	Yes

Multifuel Details
Switch When Operating	No
Net Summer Capacity With Natural Gas	18 MW
Net Winter Capacity With Natural Gas	19 MW
Net Summer Capacity With Oil	18 MW
Net Winter Capacity With Oil	19 MW
Time To Switch From Gas To Oil	UNK
Time To Switch From Oil To Gas	1H
Factors That Limit Switching	No

Generator GT3 Details Operating June 1973

Technology	Natural Gas Fired Combustion Turbine
Prime Mover	Combustion Turbine
Ownership	Single Owner
Nameplate Capacity	72.4 MW
Nameplate Power Factor	0.9
Summer Capacity	50.7 MW
Winter Capacity	55 MW
Minimum Load	5 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	June 1973
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No
Switch Between Oil And Natural Gas	No

Generator GT4 Details Operating July 1974

Technology	Petroleum Liquids
Prime Mover	Combustion Turbine
Ownership	Single Owner
Nameplate Capacity	72.4 MW
Nameplate Power Factor	0.9
Summer Capacity	49.7 MW
Winter Capacity	54 MW
Minimum Load	5 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	July 1974
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Generator GT21 Details Operating December 1978

Technology	Petroleum Liquids
Prime Mover	Combustion Turbine
Ownership	Wholly Owned by Other Entity
Nameplate Capacity	25.3 MW
Nameplate Power Factor	0.9
Summer Capacity	20 MW
Winter Capacity	22 MW
Minimum Load	2 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	December 1978
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Distillate Fuel Oil
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No
Switch Between Oil And Natural Gas	No

Generator GT5 Details Operating June 2008

Technology	Natural Gas Fired Combustion Turbine
Prime Mover	Combustion Turbine
Ownership	Single Owner
Nameplate Capacity	60.5 MW
Nameplate Power Factor	0.85
Summer Capacity	44 MW
Winter Capacity	45 MW
Minimum Load	20 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	June 2008
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Generator GT6 Details Operating June 2008

Technology	Natural Gas Fired Combustion Turbine
Prime Mover	Combustion Turbine
Ownership	Single Owner
Nameplate Capacity	60.5 MW
Nameplate Power Factor	0.85
Summer Capacity	44 MW
Winter Capacity	45 MW
Minimum Load	20 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	June 2008
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas
Solid Fuel Gasification	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Yucca Plant Owners

Owner Name	Address	Generator	Ownership
Imperial Irrigation District	333 East Barioni BoulevardP O Box 937, Imperial, CA 92251	Generator GT21	100.00%
Imperial Irrigation District	333 East Barioni BoulevardP O Box 937, Imperial, CA 92251	Generator ST1	100.00%

Power Plants with Similar Net Generation

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

Rank	Plant Name	Plant Location	Annual Generation
#712	Cornell University Central Heat	Ithaca, NY	222.4 GWh
#713	Georgia-Pacific Monticello Paper	Monticello, MS	550.2 GWh
#714	El Dorado Refinery	El Dorado, KS	220.4 GWh
#715	Ingredion Incorporated	Bedford Park, IL	219.6 GWh
#716	Central Utility Plant Cincinnati	Cincinnati, OH	221.4 GWh
#717	Kimberly Clark-Unit 1,2,3	New Milford, CT	219.0 GWh
#718	Dickerson Power	Dickerson, MD	226.5 GWh
#719	Sycamore Cogeneration	Bakersfield, CA	218.9 GWh
#720	Elm Road Generating Station	Oak Creek, WI	7.4 TWh
#721	Calvert City	Calvert City, KY	214.3 GWh
#723	Dahlberg	Nicholson, GA	229.4 GWh
#724	Charles D. Lamb Energy Center	Ponca City, OK	211.8 GWh
#725	University of Michigan	Ann Arbor, MI	211.8 GWh
#726	Atlantic Alumina, Gramercy Operations	Gramercy, LA	208.1 GWh
#727	Limon Generating Station	Limon, CO	216.3 GWh
#728	Roquette America	Keokuk, IA	206.3 GWh
#729	University of Illinois Abbott Power Plt	Champaign, IL	211.1 GWh
#730	University of California San Diego Hybri	La Jolla, CA	205.3 GWh
#731	Mass Inst Tech Cntrl Utilities/Cogen Plt	Cambridge, MA	204.8 GWh
#732	Redding Power	Redding, CA	203.9 GWh

Nearby Power Plants

Below are closest 20 power plants surrounding Yucca.

Plant Name	Plant Location	Annual Generation	Distance
Arizona Western College PV	Yuma, AZ	1.5 GWh	12.7 mi
Drop 1	Holtville, CA	7.8 GWh	13.5 mi
Drop 2 (CA)	Holtville, CA	29.5 GWh	18.7 mi
Drop 3 (CA)	Holtville, CA	26.4 GWh	24.2 mi
Drop 4	Holtville, CA	78.2 GWh	29.6 mi
Drop 5 (CA)	Calexico, CA	6.4 GWh	39.8 mi
East Highline	Holtville, CA	2.9 GWh	33.3 mi
Foothills Solar Plant Hybrid	Yuma, AZ	97.8 GWh	17.1 mi
Heber Geothermal	Heber, CA	384.9 GWh	46.9 mi
Heber Solar	Heber, CA	24.6 GWh	48.3 mi
IVC Solar	Imperial, CA	4.2 GWh	46.9 mi
Ormesa I	Holtville, CA	70.2 GWh	32.4 mi
Ormesa II	Holtville, CA	131.7 GWh	31.6 mi
Ormesa III	Holtville, CA	44.4 GWh	32.4 mi
Pilot Knob	Winterhaven, CA	16.7 GWh	1.1 mi
Second Imperial Geothermal	Heber, CA	302.3 GWh	48 mi
Siphon Drop Power Plant	Winterhaven, CA	11.6 GWh	6 mi
Vikings Energy Farm	Holtville, CA	314.7 GWh	33.1 mi
Yuma Cogeneration Associates	Yuma, AZ	17.6 GWh	3.3 mi
Yuma Solar + Storage	Fortuna Foothills, AZ	152.6 GWh	17.2 mi