Science

Power grids face unexpected slow-burn threat from solar storms

Instead of briefly and intensely spiking the strength of currents in a New Zealand power grid, a geomagnetic storm in 2015 was found to have ramped up induced currents over 90 minutes

· 7/17/2026, 5:11:56 AM· 2 min read
Power grids face unexpected slow-burn threat from solar storms
Instead of briefly and intensely spiking the strength of currents in a New Zealand power grid, a geomagnetic storm in 2015 was found to have ramped up induced currents over 90 minutes
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