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Electric Substations in Texas

1,426 named substations in Texas, with the highest-voltage facilities listed first. Each substation profile shows voltage class, connected transmission lines, and the datacenter candidate sites closest to it.

At a glance

Texas has 4,939 electric substation records in the HIFLD dataset, 1,426 of them with a station name (the other 3,513 are unnamed tap points, risers and line ends). 200 named substations operate at 345 kV or above, 2 of them at 500 kV or more. The highest recorded voltage is 500 kV and the median is 138 kV.

How is Texas's substation network split by voltage?

By maximum voltage, the named substations break down as 2 at 500 kV and above; 198 at 345–499 kV; 36 at 230–344 kV; 1,020 at 115–229 kV; 165 at 69–114 kV; 3 below 69 kV; 2 withvoltage not recorded. 14% of Texas's named substations operate at 345 kV or above, against 8% across all 16,654 named US substations. The state median of 138 kV is above the national median of 115 kV.

How does Texas compare with other states?

Texas ranks 2nd of 50 states and DC by number of named substations and 1st by named substations at 345 kV or above. It also has 6,839 scored datacenter candidate sites with an average DC Readiness score of 56.4 (national average 53), and an average power sub-score of 45.8 against 37.4 nationally. Most of those sites (4,032) are in the ERCOT market.

Which substations in Texas have the highest voltage?

SubstationMax voltageConnected linesLine owner
CYPRESS500 kV7ENTERGY TEXAS, INC.
HARTBURG500 kV6DEEP EAST TEXAS ELEC COOP INC
ABILENE MULBERRY CREEK345 kV7TAYLOR ELECTRIC COOP INC - (TX)
ADDICKS345 kV8CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC
AJ SWOPE345 kV3RITA BLANCA ELECTRIC COOP, INC
ALIBATES345 kV5SOUTHWESTERN PUBLIC SERVICE CO.
ALLEN SWITCHING345 kV9ONCOR ELECTRIC DELIVERY CO.
ALLIANCE345 kV4ONCOR ELECTRIC DELIVERY CO.
ALPINE345 kV4AEP TEXAS NORTH CO.
ANNA345 kV10ONCOR ELECTRIC DELIVERY CO.
ANTLER345 kV2GUADALUPE VALLEY ELEC COOP INC
ARTHUR VON ROSENBERG345 kV4BANDERA ELECTRIC COOP, INC
AUSTROP345 kV11ONCOR ELECTRIC DELIVERY CO.
BAKERSFIELD345 kV3AEP TEXAS NORTH CO.
BELLAIRE345 kV12CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC
BEN DAVIS345 kV10ONCOR ELECTRIC DELIVERY CO.
BENBROOK345 kV7ONCOR ELECTRIC DELIVERY CO.
BIG BROWN345 kV9ONCOR ELECTRIC DELIVERY CO.
BIG HILL345 kV4PEDERNALES ELECTRIC COOP, INC
BLESSING345 kV7AEP TEXAS CENTRAL COMPANY
BLUFF CREEK345 kV10TAYLOR ELECTRIC COOP INC - (TX)
BOSQUE345 kV6ONCOR ELECTRIC DELIVERY CO.
BRISCOE WIND345 kV2XCEL
BROOKS FIELD345 kV2BANDERA ELECTRIC COOP, INC
BROWN345 kV8ONCOR ELECTRIC DELIVERY CO.
CAGNON ROAD345 kV13BANDERA ELECTRIC COOP, INC
CALAVERAS 345 SWITCHYARD345 kV7BANDERA ELECTRIC COOP, INC
CALIENTE345 kV7EL PASO ELECTRIC CO.
CARROLLTON FRANKFORD345 kV2ONCOR ELECTRIC DELIVERY CO.
CAVERN345 kV2CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC
CEDAR BAYOU PLANT345 kV16CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC
CEDAR HILL SW345 kV12ONCOR ELECTRIC DELIVERY CO.
CENIZO345 kV3AEP TEXAS CENTRAL COMPANY
CENTERVILLE SW345 kV9ONCOR ELECTRIC DELIVERY CO.
CENTRAL BLUFF345 kV4ONCOR ELECTRIC DELIVERY CO.
CHAMBERS345 kV3CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC
CHANNEL ENERGY CENTER345 kV1CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC
CHANNELVIEW COGEN345 kV4CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC
CLEAR CROSSING345 kV7BIG COUNTRY ELECTRIC COOP, INC
CLEAR LAKE345 kV0—
CLEAR LAKE POWER345 kV0—
CLEAR SPRINGS345 kV7BLUEBONNET ELECTRIC COOP, INC
COLLIN345 kV3ONCOR ELECTRIC DELIVERY CO.
COMANCHE345 kV5ONCOR ELECTRIC DELIVERY CO.
COMANCHE PEAK345 kV9ONCOR ELECTRIC DELIVERY CO.
COOPER CREEK345 kV2ONCOR ELECTRIC DELIVERY CO.
COPPELL SWITCHING STATION345 kV2ONCOR ELECTRIC DELIVERY CO.
COTTONWOOD345 kV6LIGHTHOUSE ELECTRIC COOP, INC
CROSS345 kV4LIGHTHOUSE ELECTRIC COOP, INC
DAVID SWINFORD345 kV2SOUTHWESTERN PUBLIC SERVICE CO.
DECKER345 kV11ONCOR ELECTRIC DELIVERY CO.
DECORDOVA345 kV6ONCOR ELECTRIC DELIVERY CO.
DEEPWATER345 kV8CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC
DEER PARK ENERGY CENTER345 kV5CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC
DEL SOL345 kV4AEP TEXAS CENTRAL COMPANY
DENTON WEST INTERCHANGE345 kV7ONCOR ELECTRIC DELIVERY CO.
DERMOTT345 kV6BIG COUNTRY ELECTRIC COOP, INC
DESOTO SW345 kV5ONCOR ELECTRIC DELIVERY CO.
DESSAU345 kV5ONCOR ELECTRIC DELIVERY CO.
DIANA345 kV7SOUTHWESTERN ELECTRIC POWER CO

Every named substation in Texas

The 1,000 highest-voltage of 1,426 named substations, grouped by voltage band. The rest are linked from each substation's profile.

500 kV and above · 2

345–499 kV · 198

230–344 kV · 36

115–229 kV · 764

Frequently asked questions

How many electric substations are in Texas?

HIFLD records 4,939 substations in Texas, of which 1,426 carry a station name. That is the 2nd-most named substations of any state in the dataset.

What is the highest-voltage substation in Texas?

2 named substations in Texas share the top voltage of 500 kV, including CYPRESS, HARTBURG.

Which substation in Texas connects the most transmission lines?

GREENS BAYOU 345 has the most connected transmission lines of the named substations listed here, with 21 at up to 345 kV.

How many substations in Texas are 345 kV or higher?

200 of 1,426 named substations (14%) operate at 345 kV or above, compared with 8% nationally. Texas ranks 1st of 50 states and DC for named substations at that level.

How many datacenter candidate sites in Texas are at substations?

3,635 of the 6,839 scored candidate sites in Texas are substation sites — locations generated at an existing substation. Scored sites across Texas average 56.4 on the 0–100 DC Readiness scale, against 53 nationally.

Looking for a specific record? The directory lists every substation in Texas, A to Z.

More on Texas, and states with similar counts

About this data

Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “Electric substations in Texas”, https://gridcensus.com/substations/texas (data as of June 29, 2026).

Dataset updated . Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for substations in Texas is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.

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