Using ‘Magic Ball’ Sensors And Software To Boost Electric Grid Capacity By 40%

Norwegian startup Heimdall Power is working with Minnesota’s Great River Energy to squeeze more electricity out of the utility’s power lines with AI-enabled temperature and weather monitoring.Heimdall Power's Neuron sensor, about the size of a bowling ball, monitors the temperature and conditions of electric power transmission lines.As utilities scramble to meet fast-growing U.S.

“The limiting factor of a powerline is the temperature of the line. Think about that as the speed limit,” Heimdall CEO Jørgen Festervoll told. “There’s a speed limit to how fast you can drive the power grid. Without the software and sensors, you're basically driving without a speedometer.” Everything from booming U.S. manufacturing, growing sales of electric vehicles and the rapid increase in data centers for online shopping, streaming services, cryptocurrency mining and, increasingly, new uses of artificial intelligence, is pushing up electricity demand. The U.S. Energy Information Agency last month estimated power demand would rise 3% this year from 2023 and continue to grow in 2025.

What makes Heimdall’s technology attractive to utilities is the ability to transmit more power without building new powerlines. This “will help us unlock grid congestion and achieve additional transmission capacity from our existing infrastructure,” Pritial Patel, Great River’s vice president of transmission, said in a statement.

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