Geomagnetic

Subscribers can reduce their costs by 30 to 70 percent compared with maintaining their own stockpile.

NERC recently issued reliability standards in response to the potential for geomagnetic disturbances to disrupt operations and possibly damage assets. The power industry appears to have placed undue emphasis on GMD’s threat to transformers. Our studies and those by others have underscored the value to transmission organizations in assessing their vulnerability to harmonics.