Southwestern Electric Power

Organization

471 catalogued assets · 9 states

Total assets

471

Southwestern Electric Power is an organization in the GridCensus infrastructure catalog, owning or operating 471 catalogued assets across 9 states. An organization’s existing footprint — its power assets, fiber, land, and facilities — is a strong signal of where it can expand and which markets it already controls. Every asset below links to its full profile.

158

Candidate Sites Owned

Footprint

Arkansas ArizonaBCCalifornia Idaho Louisiana Nebraska Nevada Texas

Candidate Sites Owned (158)

Site	Location	DC Readiness	Candidate MW
Genova Arkansas I LLC	Benton County, AR	75.8/100	631 MW
FAYETTEVILLE SOUTH	Washington County, AR	71.1/100	100 MW
UNKNOWN122388	Washington County, AR	70.6/100	100 MW
MC WILLIE	Caddo Parish, LA	70.3/100	100 MW
DIANA	Upshur County, TX	70.2/100	600 MW
UNKNOWN301295	Marion County, TX	70.1/100	600 MW
BLANCHARD	Caddo Parish, LA	69.5/100	100 MW
TAP161114	Caddo Parish, LA	69.2/100	100 MW
TRICHEL STREET	Caddo Parish, LA	68.8/100	100 MW
WESTERN ELECTRIC	Caddo Parish, LA	68.6/100	100 MW
LINWOOD	Caddo Parish, LA	68.6/100	100 MW
UNKNOWN117294	Benton County, AR	68.4/100	100 MW
Greenfield (SAREPTA - LONGWOOD)	Bossier Parish, LA	68.3/100	600 MW
EAST FAYETTEVILLE	Washington County, AR	68.2/100	100 MW
UNKNOWN116790	Bossier Parish, LA	68.0/100	100 MW
UNKNOWN117307	Washington County, AR	67.8/100	100 MW
UNKNOWN116792	Bossier Parish, LA	67.8/100	100 MW
Greenfield (UNKNOWN111872 - SOUTHWEST SHRE)	Caddo Parish, LA	67.8/100	600 MW
UNKNOWN309941	Harrison County, TX	67.6/100	600 MW
WALLACE LAKE	De Soto Parish, LA	67.5/100	100 MW
PIRKEY	Harrison County, TX	67.5/100	100 MW
UNKNOWN116784	Caddo Parish, LA	67.4/100	100 MW
TAP141990	Caddo Parish, LA	67.3/100	100 MW
PIERREMONT	Caddo Parish, LA	67.2/100	100 MW
ARSENAL HILL	Caddo Parish, LA	67.1/100	100 MW
GENERAL MOTORS	Caddo Parish, LA	67.1/100	100 MW
RAINES ROAD	Caddo Parish, LA	66.9/100	100 MW
Greenfield (SOUTHWEST SHREVEPORT - DIANA)	Caddo Parish, LA	66.9/100	600 MW
LONGWOOD	Caddo Parish, LA	66.7/100	600 MW
UNKNOWN121779	Howard County, AR	66.7/100	100 MW
WESTSIDE WASTEWATER TREATMENT PLANT	Washington County, AR	66.7/100	100 MW
Greenfield (FORT SMITH - ARKANSAS NUCLEAR )	Sebastian County, AR	66.6/100	1,000 MW
HARTS ISLAND	Caddo Parish, LA	66.5/100	100 MW
UNKNOWN117327	Washington County, AR	66.5/100	100 MW
Lieberman	Caddo Parish, LA	66.4/100	50 MW
UNKNOWN116789	Bossier Parish, LA	66.4/100	100 MW
UNKNOWN302347	Marion County, TX	66.3/100	600 MW
UNKNOWN117306	Benton County, AR	66.2/100	100 MW
UNKNOWN117295	Benton County, AR	66.1/100	100 MW
Greenfield (FORT SMITH - ARKANSAS NUCLEAR )	Logan County, AR	65.7/100	1,000 MW
Greenfield (FORT SMITH - ARKANSAS NUCLEAR )	Logan County, AR	65.6/100	1,000 MW
FORT HUMBUG	Caddo Parish, LA	65.6/100	100 MW
OAK CO OP	Caddo Parish, LA	65.4/100	100 MW
UNKNOWN157576	Red River Parish, LA	65.4/100	1,000 MW
SOUTH SHREVEPORT	Caddo Parish, LA	65.1/100	100 MW
UNKNOWN117293	Benton County, AR	65.1/100	100 MW
UNKNOWN307498	Bowie County, TX	64.9/100	100 MW
UNKNOWN308829	Gregg County, TX	64.8/100	100 MW
UNKNOWN312589	Morris County, TX	64.5/100	600 MW
STONEWALL	Caddo Parish, LA	64.4/100	100 MW

Showing 50 of 158 candidate sites where this organization is the catalogued parcel owner.

Transmission Lines (306)

Line	State	Voltage	Length
Line #134933	Louisiana	345 kV	19.1 mi
Line #155701	Louisiana	345 kV	57.1 mi
Line #308999	Texas	345 kV	0.3 mi
Line #307712	Texas	345 kV	23.8 mi
Line #104788	Louisiana	345 kV	38.4 mi
Line #308153	Texas	345 kV	23.8 mi
Line #311852	Texas	345 kV	30.7 mi
Line #311961	Texas	345 kV	17.6 mi
Line #114659	Arkansas	161 kV	1.3 mi
Line #112897	Arkansas	161 kV	3.0 mi
Line #145445	Arkansas	161 kV	4.0 mi
Line #117097	Arkansas	161 kV	2.9 mi
Line #122354	Arkansas	161 kV	2.4 mi
Line #118386	Arkansas	161 kV	19.5 mi
Line #140372	Arkansas	161 kV	4.0 mi
Line #101801	Arkansas	161 kV	13.5 mi
Line #103655	Arkansas	161 kV	2.0 mi
Line #102907	Arkansas	161 kV	7.3 mi
Line #110321	Arkansas	161 kV	7.5 mi
Line #128853	Arkansas	161 kV	9.5 mi
Line #118101	Arkansas	161 kV	13.6 mi
Line #129040	Arkansas	161 kV	2.4 mi
Line #124730	Arkansas	161 kV	3.5 mi
Line #150273	Arkansas	161 kV	5.1 mi
Line #111821	Louisiana	138 kV	12.7 mi
Line #128477	Arkansas	138 kV	15.2 mi
Line #141337	Arkansas	138 kV	12.9 mi
Line #111336	Arkansas	138 kV	17.5 mi
Line #148303	Louisiana	138 kV	0.1 mi
Line #146431	Louisiana	138 kV	4.8 mi
Line #112721	Louisiana	138 kV	1.8 mi
Line #145994	Arkansas	138 kV	25.3 mi
Line #145903	Arkansas	138 kV	13.2 mi
Line #131554	Louisiana	138 kV	0.0 mi
Line #146890	Louisiana	138 kV	0.1 mi
Line #135301	Louisiana	138 kV	3.1 mi
Line #109553	Louisiana	138 kV	2.0 mi
Line #135216	Louisiana	138 kV	0.0 mi
Line #142121	Louisiana	138 kV	8.1 mi
Line #107922	Louisiana	138 kV	2.4 mi

Browse the full transmission-line map →

Brownfields (6)

Site	Location	Former use	Legacy MW
Pirkey	Hallsville, TX	coal	721 MW
Genova Arkansas I LLC	Tontitown, AR	gas	631 MW
Welsh	Pittsburg, TX	coal	558 MW
Knox Lee	Longview, TX	gas	150 MW
Lieberman	Mooringsport, LA	gas	50 MW
Lone Star	Lone Star, TX	gas	40 MW

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Dataset updated June 2026. Screening estimates derived from public data sources.

Organization records are derived from public infrastructure datasets (EIA, HIFLD, FCC, PNNL, county parcels, PeeringDB) and may be incomplete or lag operational changes. Owner/operator names are normalized for grouping; counts and capacities are catalogued estimates. Confirm ownership and availability directly with the organization.

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