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    Typically 69 kV all the way up to 1200 kV, these lines transfer power in bulk from generation stations to city centers.

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    Highlights

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    Overhead Transmission

    Understanding Wind Load Design for Power Lines

    Feb. 3, 2025
    Transmission line design is a complex process that requires looking beyond the design wind speed.
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    Podcasts

    Line Life Podcast: A More Bird-Friendly Sky

    Sept. 13, 2024
    This audio story explores how a Scottish utility can divert birds from power lines through a combination of drones, robots and specially designed visual signals.
    Photo courtesy of SSEN Transmission.
    Overhead Transmission

    A More Bird-Friendly Sky: Robots and UAVs Install Bird Diverters

    Aug. 6, 2024
    A combination of drones, robots and specially designed visual signals can divert birds from Scottish power lines.
    Photo courtesy of Eversource.
    Overhead Transmission

    FERC 1920: Meeting Electricity Demand with Faster Planning, Better Cost Recovery

    June 27, 2024
    FERC’s most far-reaching rule in decades is all about planning, building a more resilient grid and how to pay for upgrades.
    Photo courtesy of ATC.
    Overhead Transmission

    T&D World Interview: ATC CEO Teresa Mogensen

    May 3, 2024
    Transmission utility ATC hired an industry veteran as its CEO, and she answers T&D World's questions about the utility industry.

    Recommended

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    Resources

    Wildfire Risk Mitigation

    Feb. 16, 2022
    Learn about the tools and practices that minimize power equipment caused fires.
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    Overhead Transmission

    Idaho Power Advances Grid Efficiency with Dynamic Line Rating & Drone Technology

    March 10, 2025
    This initiative is part of a partership with Pitch Aeronautics and as well as part of DOE's $8.4 million investment in Grid-Enhancing Technologies.
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    Sponsored

    The Evolution of the Advanced Conductor: Origins and Modern Developments

    March 10, 2025
    From legacy ACSR to the latest carbon cores, advanced conductors are evolving to enhance the reliability, resiliency & affordability of our aging grids. This article explores ...
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    Overhead Transmission

    How Eversource Energy Is Cutting Costs for Ratepayers with Advanced Transmission Technologies

    March 5, 2025
    One challenge inherent to the physical operation of the electric grid is managing line losses.
    Summer construction on Tri-State's Burlington-to-Lamar transmission line project.
    Overhead Transmission

    Tri-State Completes and Energizes 230 kV Burlington-Lamar Transmission Line

    March 4, 2025
    The Burlington-Lamar transmission line is part of a larger project expected to be completed by 2028.