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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.

    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.
    ID 95899941 © Waraphot wapakphet | Dreamstime.com
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    Transmission Reliability

    South Dakota PUC Approves Facility Permit for South Dakota Portion of Big Stone South to Alexandria Transmission Line

    Feb. 4, 2025
    The line is designed to ensure continued electric reliability, enhance resilience to extreme weather events, reduce transmission congestion, and increase access to low-cost energy...
    Photo by Matthew Vinson, Dominion Energy.
    A view back down Mt. Storm. The 5C lattice steel towers were built to withstand the region’s intense weather conditions.
    Overhead Transmission

    Dominion Powers Through Tough Terrain

    Feb. 3, 2025
    The utility overcame numerous challenges while rebuilding its Mt. Storm to Valley line in extreme mountainous terrain.
    North Arkansas Electric Cooperative
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    Substations

    North Arkansas Electric Cooperative Energizes Galatia Substation in Norfork Area

    Jan. 27, 2025
    The project included a new 2.8-mile transmission line connecting the substation to a transmission line between the co-op’s Norfork and Pineville substations.
    ID 173300970 © Artinun Prekmoung | Dreamstime.com
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    Overhead Transmission

    Minnesota Power Approves Certificate of Need and Route Permit for the 345-kV Northland Reliability Project

    Jan. 27, 2025
    Minnesota Power and Great River Energy’s project will bolster electric reliability in northern and central Minnesota and support the regional clean energy transition.