Arizona EHV Transmission TTC

1. Arizona EHV Transmission TTC TTC=1422 SRP 356 NEVP 371 LADWP 695 Shiprock Navajo Glen Canyon Four Corners McCullough CAISO=1580 WAPA=1500 Marketplace APS=1340 Mead Moenkopi TTC=2012 SRP 556 APS 235 SCAPA 412 VERNON 416 MSR 150 Eldorado TTC=2264 SRP 1404 APS 559 TEP 301 APS=2133 Cholla TTC=672 TEP 572 PNM 100 Coronado TTC=1300 SRP 236 APS 236 WAPA 412 LADWP 416 Preacher Canyon Ownership Joint APS SRP TEP WAPA CAISO Springerville Pinnacle Peak Westwing Rudd TTC=1980 SRP 990 APS 990 SRP=1100 Palo Verde Phoenix 230 kV system Devers Browning TTC=1235 SDGE 439 APS 168 IID 238 Rudd Silver King TTC=1411 TEP 1361 PNM 50 Liberty Kyrene Imperial Valley Saguaro Greenlee North Gila Tortolito Tucson 138 kV system PV EAST TTC=5529 SRP 1913 APS 1913 PNM 669 EPE 1034 TTC=672 TEP 511 AEPCO 161 TEP=1568 South Vail TTC in MW

2. Arizona EHV Transmission ATC (as of June 2007) ATC=356 SRP 356 Shiprock Navajo Glen Canyon Four Corners McCullough ATC=0 ATC=0 Marketplace Mead ATC=0 Moenkopi ATC=556 SRP 556 Eldorado ATC=125 SRP 125 ATC=0 Cholla ATC=75 PNM 75 Coronado Preacher Canyon ATC=372 WAPA 372 Ownership Joint APS SRP TEP WAPA CAISO Springerville Pinnacle Peak Westwing Rudd ATC=0 ATC=102 SRP 102 Palo Verde Phoenix 230 kV system Devers Browning Rudd Silver King ATC=0 Liberty Kyrene ATC=0 Imperial Valley Saguaro Greenlee North Gila Tortolito ATC=0 Tucson 138 kV system PV EAST ATC=787 PNM 395 EPE 392 ATC=0 South Vail ATC in MW