Harrington

8400 N.Lakeside Dr., Amarillo, TX 79108

Plant Summary Information

Harrington is ranked #47 out of 314 natural gas power plants in Texas in terms of total annual net electricity generation.

Harrington is comprised of 3 generators and generated 972.5 GWh during the 3-month period between May 2026 to August 2026.

Plant Name	Harrington
Utility Name	Southwestern Public Service Co
Location	Potter County, TX
Initial Operation Date	January 1976
Last Update	Aug 2026
Annual Generation	2.3 TWh
Annual Consumption	28.6 M MMBtu
Ranked #466 out of 13,301 Power Plants Nationwide
Ranked #285 out of 2,218 Natural Gas Power Plants Nationwide
Ranked #61 out of 861 Texas Power Plants
Ranked #47 out of 314 Texas Natural Gas Power Plants
Fuel Types	Natural Gas

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Summary Information
Plant Name	Harrington (6193)
Plant Address	8400 N.Lakeside Dr., Amarillo, TX 79108
Utility	Southwestern Public Service Co (17718)
Latitude, Longitude	35.29816, -101.74719
Generation Dates on File	Jan 2001 to Aug 2026
Initial Operation Date	January 1976
Annual Generation	2.3 TWh
Fuel Types	Natural Gas

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	MRO
Balancing Authority	Southwest Power Pool (SWPP)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Municipality
Ash Impoundment	No
Transmission / Distribution Owner	Southwestern Public Service Co (17718) TX
Grid Voltage	230.00 kV
Energy Storage	No

Natural Gas Information
Pipeline Name	ONEOK WES TEX TRANSMISSION LLC
Natural Gas Storage	No
Liquefied Natural Gas Storage	No

* Data obtained from the 2025 EIA 860 Report

Technology	Natural Gas Steam Turbine
Prime Mover	Steam Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	SPS.HARRNGTN1
RTO ISO Location Designation For Reporting Wholesale Sales Data	SPS.HARRNGTN1
Nameplate Capacity	360 MW
Nameplate Power Factor	0.9
Summer Capacity	339 MW
Winter Capacity	339 MW
Minimum Load	120 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	January 1976

Planned Retirement	December 2036
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas / Subbituminous Coal
Startup Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	OVER
Pulverized Coal Technology	Yes
Subcritical Technology	Yes
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	SUB / NG

Technology	Natural Gas Steam Turbine
Prime Mover	Steam Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	SPS.HARRNGTN2
RTO ISO Location Designation For Reporting Wholesale Sales Data	SPS.HARRNGTN2
Nameplate Capacity	360 MW
Nameplate Power Factor	0.9
Summer Capacity	339 MW
Winter Capacity	339 MW
Minimum Load	120 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	January 1978

Planned Retirement	December 2038
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas / Natural Gas
Startup Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	OVER
Pulverized Coal Technology	Yes
Subcritical Technology	Yes
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	SUB / NG

Technology	Natural Gas Steam Turbine
Prime Mover	Steam Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	SPS.HARRNGTN3
RTO ISO Location Designation For Reporting Wholesale Sales Data	SPS.HARRNGTN3
Nameplate Capacity	360 MW
Nameplate Power Factor	0.9
Summer Capacity	340 MW
Winter Capacity	340 MW
Minimum Load	125 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	January 1980

Planned Retirement	December 2040
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas / Natural Gas
Startup Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	OVER
Pulverized Coal Technology	Yes
Subcritical Technology	Yes
Multiple Fuels	Yes
Cofire Fuels	Yes
Switch Between Oil And Natural Gas	No

Multifuel Details
Cofire Energy Source	SUB / NG

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

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

Rank	Plant Name	Plant Location	Annual Generation
#275	W A Parish	Thompsons, TX	13.7 TWh
#276	Trumbull Energy Center	Warren, OH	2.4 TWh
#277	Gila River Power Block 2	Gila Bend, AZ	2.4 TWh
#278	Emery Station	Clear Lake, IA	2.4 TWh
#279	Front Range Power Plant	Fountain, CO	2.4 TWh
#280	Gateway Generating Station	Antioch, CA	2.4 TWh
#281	Seminole (OK)	Konowa, OK	2.4 TWh
#282	Desert Basin	Casa Grande, AZ	2.4 TWh
#283	James E. Rogers Energy Complex	Cliffside, NC	5.0 TWh
#284	Cedar Bayou 4	Eldon, TX	2.3 TWh
#286	State Line Combined Cycle	Joplin, MO	2.3 TWh
#287	Dogwood Energy Facility	Pleasant Hill, MO	2.3 TWh
#288	O W Sommers	San Antonio, TX	2.3 TWh
#289	Bastrop Energy Center	Cedar Creek, TX	2.3 TWh
#290	Fore River Generating Station	North Weymouth, MA	2.5 TWh
#291	Caithness Long Island Energy Center	Yaphank, NY	2.2 TWh
#292	Sabine River Operations	Orange, TX	2.2 TWh
#293	Mint Farm Generating Station	Longview, WA	2.2 TWh
#294	Sunrise Power LLC	Fellows, CA	2.2 TWh
#295	Luna Energy Facility	Deming, NM	2.2 TWh

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Nichols	Amarillo, TX	1.7 TWh	1 mi
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Pattern Panhandle Wind 2 LLC	Panhandle, TX	577.3 GWh	23.3 mi
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Spinning Spur Wind LLC	Vegas, TX	347.0 GWh	26.1 mi
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Wildorado Wind LLC	Vega, TX	672.5 GWh	31.4 mi