This cool tech will turn existing fiber optics into smart sensors on Minnesota’s grid

Not-for-profit power cooperative Great River Energy, which serves 1.7 million people across Minnesota and Wisconsin, has partnered with Prisma Photonics to roll out real-time monitoring technology across 90 miles of transmission lines in northern Minnesota. Prisma Photonics will provide its PrismaPower system to track threats like wildfires, ice, wind, and physical damage to the Minnesota grid.

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