 The other two 500 kV lines start in the Malin substation to the east of the Captain Jack substation.One circuit of a rare, tall BPA dual-circuit and one single-circuit 500 kV line connect Captain Jack substation with Malin substation.The PG&E and PacifiCorp 500 kV line both head south together across the Modoc Plateau, generally following the lone WAPA line at a distance.