Energy Central

What makes overhead lines fail (and how to fix it)


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Reliability has become one of the most urgent topics in the utility sector today. As aging infrastructure meets rising electricity demand and more frequent extreme weather, utilities are facing growing pressure to keep the lights on while modernizing the grid. From vegetation management to conductor fatigue and storm resilience, the question isn’t whether upgrades are needed, but how utilities can make the smartest investments to strengthen the grid quickly, effectively, and affordably.

To get the answers to those questions, Energy Central’s Community Manager Matt Chester was joined live at DTECH 2026 in San Diego by Southwire’s Emily Witcher (Manager of Overhead Transmission) and Drew Pearson (Transmission Engineer), and the resultant conversation explored how utilities are tackling reliability challenges in overhead transmission systems. From conductor selection to structural design to accurate engineering models, decisions made for all grid upgrades will dramatically affect ultimate system performance under stress.

This episode highlights practical solutions utilities are deploying today, including reconductoring projects that increase capacity without rebuilding entire lines and digital tools that improve engineering analysis and field decisions. With lessons drawn from real-world projects and conversations happening across the DTECH floor, this discussion offers a grounded look at how utilities can strengthen grid resilience now while preparing for the reliability challenges still ahead.

Thanks to Southwire for sponsoring this episode.

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