Utilities including PG&E are using artificial intelligence start-ups to analyze satellite images and identify trees that pose a risk of falling onto power lines and igniting wildfires. The approach is seen as significantly cheaper than burying power lines, a process which costs over $3m per mile. AI-driven tree trimming can prevent about 80% of potential fire starts, while targeted interventions help mitigate remaining risks. Overstory, a Massachusetts-based company, has developed technology to pinpoint trees needing maintenance. The start-up’s CEO Fiona Spruill said: “We could have a huge impact from a climate standpoint, in that we could help prevent wildfires.”


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