Pacific Gas & Electric, which has installed over 1,287 kilometers of underground power lines since 2021, estimates the method is 98 percent effective in reducing ignition threats.

Transmission line projects often take a decade or more to build and can have costs in the billions of dollars, so anything that can get more value from existing lines is a boon to the U.S. grid.

Enhancing power grid resilience with cutting-edge subsurface sensing technology Joint $3.3 million project to improve undergrounding electric power lines University of Houston ...

To address the need for cheaper and less disruptive underground power line installation, the U.S. Department of Energy initiated the GOPHURRS program in January 2024.