A transmission line is a far more complex piece of equipment than many people realize. In its simplest form it may be considered as just a pair of wires merely carrying ac power. Usually in these ...

The National Electric Safety Code (NESC) includes a clause sometimes referred to as the “5-mA Rule,” which states: For voltages exceeding 98 kV ac to ground, either the clearances shall be increased ...

For the first time in a half century, new high-voltage power lines are set to cross into Michigan, snaking up the center of the state. As a pair of major transmission line projects stretching some 95 ...

For decades, U.S. electricity demand was steady, allowing utilities to plan gradual growth and maintain the grid with modest upgrades. That era is over. The convergence of electric vehicles (EVs), ...

For years, the electric utility industry has been questioning whether to use overhead or underground systems for transmission of power using high-voltage transmission lines. Issues driving this ...

A private developer wants to build a new transmission line stretching 100 miles from The Dalles to Portland — pitching the ...

A proposed 500 kilovolt transmission line project that would connect NextEra Energy’s planned Woodside substation to Dominion Energy’s Aspen substation was approved by the PJM board of managers Dec.

Public Service Enterprise Group, the developer behind the Maryland Piedmont Reliability Project, released the proposed route of the 70-mile transmission line that will likely be submitted as part of ...