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About STEC

About Us

MISSION STATEMENT

  CORE VALUES
  • Safety
  • Team Work
  • Integrity
  • Communications
South Texas Electric Cooperative is a cutting-edge Generation and Transmission Cooperative and a leader in providing a diverse portfolio of affordable energy, a reliable power delivery system, and services customized to the needs of the members.

STEC's mission is to provide the infrastructure and services to deliver reliable and economical electric power to a diversified membership.
General Manager Clif Lange

 


STEC was formed in 1944 to provide wholesale electric services to member distribution cooperatives. STEC’s membership consists of the following distribution cooperatives.
 
Jackson Electric Cooperative
San Bernard Electric Cooperative
Karnes Electric Cooperative, Inc.
San Patricio Electric Cooperative, Inc.
Magic Valley Electric Cooperative, Inc.
Victoria Electric Cooperative, Inc.
Medina Electric Cooperative, Inc.
Wharton County Electric Cooperative, Inc.
Nueces Electric Cooperative, Inc.
 
 
These distribution cooperatives serve over 290,000 members in forty-seven South Texas counties. Governance is provided by a Board of Directors consisting of representatives from each of STEC's members.

 

STEC's headquarters facility is located at the Sam Rayburn Power Plant Complex on the Guadalupe River just outside Nursery, Texas. Transmission line and substation service facilities are also located in Pearsall, Texas and Donna, Texas.

Power provided by STEC to its members is generated from a variety of energy sources, including wind, lignite, natural gas (NG), diesel fuel, and hydroelectric.

 

Primary generation sources, totaling 1,865.3 MW of capacity, are:

Owned and Operated

  • Sam Rayburn Power Plant (NG Combined Cycle, NG Simple Cycle Combustion Turbines, Diesel Reciprocating Engines) - Nursery, TX
  • Pearsall Power Plant (NG Reciprocating Engines, NG Steam) - Pearsall, TX
  • Red Gate Power Plant (NG Reciprocating Engines) - Edinburg, TX

Long-term Purchase Power Agreements

  • San Miguel Power Plant/ San Miguel Electric Cooperative, Inc. (Lignite) - Christine, TX
  • Magic Valley Generating Station/ Calpine (NG Combined Cycle) - Edinburg, TX
  • Amistad Dam Power Plant/ WAPA/IBWC (Hydroelectric) - Del Rio, TX
  • Falcon Dam Power Plant/ WAPA/IBWC (Hydroelectric) - Falcon, TX
  • Peñascal Wind Power Project/ AVANGRID (Wind) - Sarita, TX
  • Javelina II Wind Power Project/ NextEra Energy Resources (Wind) - Webb County, TX
Delivery of electric power is made to the Member Cooperatives through a system that includes more than 200 electrical substations and approximately 2,200 miles of overhead electric transmission lines that are energized at 345, 138, and 69 kV (thousand volts).
 
First headquarter Foster Field
Official commisioning of G1 and G2 1964
Sam Rayburn combined cycle units
Sam Rayburn plant
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South Texas Electric Cooperative

2849 Farm Road 447

P.O. Box 119

Nursery, Texas 77976

361.575.6491

888.480.3534

©2023 South Texas Electric Cooperative. Safety is our way of life

  • Home
  • About Us
    • Who We Are
    • Cooperative Principles
    • Annual Report
    • Outage Report
    • Photo Galleries
    • Members Service Area Map
    • Senior Management
  • Community
    • Charitable Giving Program
    • Charitable Giving Recipients 2022
    • CoBank "Sharing Success" 2022
    • STEC Volunteers
  • Members
  • Board
  • News
    • News Articles
    • Newsletter
  • Contact Us
  • Careers