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 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 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.

Transmission lines that carry power to electric customers. A hydropower line bringing electricity from Canada into the New England grid began commercial operations Friday. The 145-mile transmission ...

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 ...

Shifting to clean electricity will require many more major transmission lines, something residents of some areas may not want. The infrastructure bill in Congress could make the lines easier to build.

Let the debate begin: Here’s the preliminary 145-mile route for a new SDG&E transmission line ...

This story was produced by Grist and co-published with Verite News. When a winter storm knocked out Texas’ power grid in 2021, the scale of the devastation it wrought was exacerbated by a singular ...