Projects

Transmission Lines

From 35.5kV to 500kV, Great Southwestern has constructed numerous transmission projects for public and private clients throughout the United States.

• Cross Texas Transmission (CTT) 345kV Transmission Line Project, Part of the Competitive Renewable Energy Zone (CREZ)
• Antelope Valley Station to Judson 345kV Transmission Line
• San Miguel to Lobo 345kV Transmission Line
• Cedar Creek Wind Farm 230kV Transmission Line
• Rugby Wind Farm 230kV Transmission Line
• Meeker to McBryde 345kV Transmission Line
• Daniels Park to Comanche 345kV Transmission Line
• See more…

Substations & Switchyards

Great Southwestern has constructed numerous high-voltage substations, switch stations and interconnect stations nationwide from 34.5kV to 500kV for public and private clients.

• Solar Substation Projects in Florida
• Judson 345kV/230kV Substation
• Missile Site 230kV Substation
• Magic Valley Wind Farm 138kV Substation and 34.5kV Collection System
• Smoky Hill II 345kV Substation Expansion
• Williston 2 230/115kV Substation Stage 1
• Red Hills Wind Farm 230kV Substation and 34.5kV Collection System
• Cedar Point 230/34.5kV Substation
• See more…

Distribution

Great Southwestern has constructed and maintained numerous overhead and underground distribution line projects and has worked in a variety of energized and de-energized project conditions.

• Services for El Paso Electric
• City of Forsyth, GA Department of Corrections - Tift Campus
• Collection Systems for Wind Farms

Emergency Restoration

Great Southwestern has resources to perform storm restoration throughout the U.S. and we maintain annual storm contracts with clients.

• Winter Storm Diego 2018
• Hurricane Michael 2018
• Hurricane Florence 2018
• Hurricane Harvey 2017
• See more…

Renewable Energy

Great Southwestern has constructed substations, transmission lines and collector systems for solar and wind farms throughout the United States.

• Cedar Creek Wind Farm - CO
• Magic Valley Wind Farm - TX
• Cedar Point Wind Energy Project - CO
• Rugby Wind Farm - ND
• Keenan II Wind Farm - OK
• Red Hills Wind Farm - OK
• See more…

EPC

Great Southwestern has varied and extensive experience on EPC projects throughout the nation ranging from major transmission line projects to all aspects of electrical construction requirements for wind farms and solar facilities.

• Magic Valley Wind Farm - CO
• Cedar Creek Wind Farm - CO
• Red Hills Wind Farm - OK
• Cedar Point Wind Energy Project - CO
• See more…

Oil & Gas

Great Southwestern offers the expertise to construct transmission lines, distribution systems and substations for the oil and gas industry.

• List of Oil & Gas Projects