From conventional to smarter grids - your roadmap to digitalization for resilience, uptime and efficiency!
Watch On-DemandReliable power supply is the backbone of the energy industry. Reliable power supply helps keep communities and critical operations running. As electrical networks expand and modernise, more Utilities and businesses are turning to underground power distribution to protect assets and enhance continuity. Underground networks offer a robust defence against weather, environmental stress, and public exposure, and can be paired with smart grid technologies that enhance transparency and prevent faults. Maintaining these systems, however, can be demanding, particularly when faults require excavation, extended downtime, and high repair costs.
Cable accessories play a crucial role in the performance of the underground grid. A single joint or termination failure can interrupt service for hours, increase maintenance expenses, and affect the customers who rely on stable energy. With the right connections, trained installers, and effective monitoring, you can strengthen network reliability and reduce the total cost of ownership. As your partner in grid resilience, we deliver long-lasting solutions engineered for the demanding conditions of underground power networks, supported by smart grid systems that help you detect issues early and prevent outages.
40+
years on field service without the need for maintenance¹
$10k
average replacement cost of a single medium voltage joint²
30min
average installation time for a 1/C heat shrink joint³
Decades of experience have shown that underground power networks perform best when every single connection is engineered for long service life. Our innovations and advancements, from the triple-layer heat shrink tube, to switchgear connectors with integrated partial discharge sensing, to our cold applied range, were created with your operational continuity and ease of installation in mind. These technologies support faster, more consistent installation, improved durability, early fault detection, and fewer unplanned outages. For you, this means greater confidence in your network's performance and a clearer view of asset health across your grid.
Managing underground power networks is easier when your connections and support come from a single, trusted source. Our portfolio covers heat shrink and cold applied joints, terminations, tubing, switchgear connectors, smart grid systems, mechanical connectors, resin-filled joints, cable cleats, and more, all designed to work together for dependable performance. This gives you a streamlined path from specification to installation, consistent quality across the system, and access to engineering expertise and training that help your teams work efficiently and safely.
Discover our product offering for your underground grid and get an overview of where they fit.
Our connectivity products are high-quality and field-proven. They are engineered and tested specifically for the wind farm environment, so they are durable enough to tackle the toughest humidity, temperatures, and corrosion. Our relentless dedication to materials science means our products are built to withstand electrical voltage, partial discharges, heating cycles, and mechanical vibration.
The impact of unexpected power outages can cause monetary, emotional, and physical effects on you, your customers, and your business. Discover the benefits of Raychem Heat Shrink Technology.
Discover how TE Connectivity’s underground innovations deliver reliable energy, protect infrastructure, and power communities—hidden from view but built for the future.
Our experts and global distributor network help you evaluate your project needs and select the most suitable solutions for your power system.
Collaborate with our engineering teams on custom configurations backed by decades of research, thousands of patents, and deep application expertise.
We validate our custom solutions in our labs to ensure long-term performance, reliability, and compliance with industry standards.
We offer hands-on installation training and competency assessments for installers, trainers, and supervisors to support safe, reliable execution in the field.
SOURCES:
¹Based on historical TE track record of completed installations.
²Wildfire Mitigation Plan. Southern California Edison Company, 2019
³Based on field installation trials.
