On a cloudy day in mid-July, a crew of technicians carried a shiny metal orb, about the size and weight of a kid’s bowling ball, under a 110-kilovolt transmission line running near Hamburg, Germany.

Forbes contributors publish independent expert analyses and insights. I write about green energy tech that will change your life. Have you ever noticed power lines sagging lower on a hot summer day?

Technology demonstration aims to boost reliability, unlock capacity, and prepare California's grid for extreme weather and additional renewable energy integration OAKLAND, Calif., Dec. 11, 2025 ...

Great River Energy’s dynamic line rating (DLR) project is the largest DLR deployment to date in the U.S. based on the number of sensors installed. Early results identified a 48.92% increase in power ...

Pacific Gas and Electric Company (PG&E) recently announced the successful launch of its Dynamic Line Rating (DLR) and Asset Health Monitoring (AHM) technology demonstration, bringing together advanced ...