Complete Solutions From the Ground Up

A resilient and reliable power grid is essential to how we live, work, and play. At Southwire, we offer the innovation, expertise, and responsiveness bringing industry leading ideas and sustainable solutions to our customers.


Consistent power delivery requirements are higher than ever before, and Southwire is dedicated to providing products, services, and solutions aimed to improve system reliability and resiliency.

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Southwire In the News

Learn more about Southwire’s innovative products and solutions by checking out our latest article and podcast appearances.


The case for using high-voltage underground transmission cable systems continues to gain momentum. There are many benefits, including system safety and reliability; all with minimal impacts to the visual environment. Installing high-voltage underground transmission cable, however, can often pose unique engineering and installation challenges. A wrong decision during installation can pose significant safety risks, in addition to amplifying both project costs and future maintenance costs.

In this webinar we will discuss:
  • Best practices for installing high-voltage underground transmission cable
  • Lessons learned from unique situations faced by our expert field team
  • Options available for cable conductors, insulation, shielding, jackets, and accessories


Randy Denmon      
      Randy Denmon, P.E.
Director Underground Transmission Cable Systems

Tools of the Trade


Southwire provides a number of tools and resources to help you with your transmission and distribution projects.

Installation Guides


Southwire has a variety of guides to help you with your utility cable installation.

Contact us at energy@southwire.com.


Southwire CableTechSupport

Southwire’s CableTechSupport™ Services team, comprised of engineers with expertise in power, electrical, mechanical, civil, chemical, polymer science, industrial, and nuclear engineering, has the depth of skill and the ability to respond with innovative solutions for your most complex and mission-critical wire and cable challenges. 

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High Voltage Installation Team

Southwire’s High Voltage Installation Team is a highly skilled and factory-certified team of installation technicians available to help you with cable pulling, splicing, terminating, sheath bonding, and grounding. We’re with you every step of the way with responsive service, unmatched engineering support, and onsite project management – a commitment that has resulted in zero cable failures with over seven-million feet of HV cable installed. 

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Storm Activation Team

The Southwire Storm Activation Team is a team that works tirelessly year-round with utilities and partners to track and anticipate the impact of extreme weather events. Knowing we are always a few weeks away from our next big challenge, Southwire has the scale and reach to help across the entire country before, during, and after major storm events.

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