GICs
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Energy SecurityHistoric Solar Storm Spurs PJM to Extend Geomagnetic Disturbance Warning
Grid operator PJM Interconnection has issued a geomagnetic disturbance (GMD) warning after observing “persistent geomagnetically induced current (GIC) at multiple stations” late on Friday. PJM initially issued a GMD warning on May 10 to generators and transmission operators that an ongoing severe solar storm could affect its system between 1:48 p.m. and 9 p.m. on […]