Xcel Energy and Dairyland Power Cooperative are currently working together to build a new transmission line across southeast Minnesota, connecting to Wisconsin and the rest of the Upper Midwest, but ...

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 ...

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 ...

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.