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 ...

Download the full pdf of this article, which includes the inline equations and diagrams. Discussion continues at the national level about power grid upgrades to support increased electrification. In ...

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 ...

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 ...

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 ...

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 ...

Mention “renewable energy infrastructure” and most people will probably picture solar and wind farms out in the country. What’s usually not envisioned is how the power from these often remote sites is ...

The MariBell project is a 140-mile, 765-kilovolt power line that would run from Marion, Minnesota to Bell Center, Wisconsin. It's being developed by Dairyland Power Cooperative, in La Crosse, and ...

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.