Utility
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.
System Hardening
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.
System Hardening
Product Innovations
Since 1950, Southwire’s research and development has brought new innovations for both transmission and distribution applications. From the grid of yesterday to the grid of tomorrow.
Product InnovationSouthwire In the News
Learn more about Southwire’s innovative products and solutions by checking out our latest article and podcast appearances.
Strategic Undergrounding From The Perspective of Cable Insulations and Installation Trends
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Respond, Rectify, and Restore Underground Electrical Systems
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Ensuring Grid Resilience In a Time of Change
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Techniques from High-Voltage Underground Cable System Installation Experts
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:
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
Speaker:
Director - Southwire
Randy Denmon
Underground Transmission Cable Systems
Utility Product Specs
Southwire's innovative product information.
Southwire’s Customer Hub
Our enhanced customer self-service site enables you to view your order details, check inventory, manage product lists and subscribe to notifications. View your Southwire information all in one place at your convenience.
Freight Policy
Stay current with our freight policy.
Calculators
To help you work most efficiently, we've created a number of calculating tools to aid in your wire and cable installations.
Tools of the Trade
Southwire provides a number of tools and resources to help you with your transmission and distribution projects.
SAG10® Software
Southwire’s Sag10® Software is widely recognized as the industry standard for overhead conductor sag-tension calculations. To purchase your copy, click here.
SWRate Pro
SWRate Pro software is electrical rating software that calculates resistance, reactance, and thermal ratings in accordance with current standards.
WIR Files
Access Southwire's Certified WIR Files.
Overhead Conductor Manual
We wrote the book on overhead conductors...literally. This 3rd edition reference book provides technical data and resources that transmission and distribution engineers use to design overhead lines.
Proof Positive® Copper Tracking Site
Southwire's Proof Positive® Copper tracking site helps you keep track of your copper, even if it has been stolen.
Installation Guides
Southwire has a variety of guides to help you with your utility cable installation.
ACSS & ACSS/TW Installation Guide
This guide provides recommendations on procedures and equipment used during ACSS and ACSS/TW installations.
VR2® Conductor Installation Guide
This guide provides recommendations on procedures and equipment used during VR2 conductor installation.
Bare Overhead Conductors Installation Guide
This guide provides recommendations on procedures and equipment used during bare overhead installations.
ACSR and ACSR/TW Installation Guide
This guide provides recommendations on procedures and equipment used during ACSR and ACSR/TW installations.
SIMpull® Cable-In-Conduit Installation Guide
This guides provides recommendations on procedures and equipment used during cable-in-conduit installations.
C7® Overhead Conductors Installation Guide
This guide provides recommendations for the installation and use of C7® Overhead Conductor.
C7® Tree Wire Installation Guide
This guide provides recommendations on procedures and equipment for the proper installation of C7® Tree Wire.
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.
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.
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.