From: Prediction of geomagnetically induced currents (GICs) flowing in Japanese power grid for Carrington-class magnetic storms
Substation
a (A)
b (A/(mV/km))
c (A/(mV/km))
SFS
− 0.80
− 0.0892
0.0602
STB
0.02
0.0195
− 0.0133
SFJ
− 0.32
− 0.303
0.0422