Path Rating Catalog 2013 - Western Electricity Coordinating Council

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Revised December 2010 22. Southwest of Four Corners Location: Northeastern Arizona Accepted Rating Existing Rating Other Definition: Sum of the flows on the following transmission lines (see Fig. 1): Line Metered End Four Corners-Moenkopi 500 kV Four Corners 500 kV Four Corners-Cholla #1 345 kV Four Corners 345 kV Four Corners-Cholla #2 345 kV Four Corners 345 kV Transfer Limit: East-West: 2325 MW West-East: Undefined The 2325 MW nominal operating limit is limited by the thermal rating of the Four Corners-Cholla 345 kV lines and voltage deviation at Pinnacle Peak following the critical disturbance. The actual rating is defined by the vertical and horizontal elements of the attached nomogram (Fig 2). Critical Disturbance that limits the transfer capability: When: The critical disturbance is dependent on the location along the nomogram. Two critical contingencies for defining the nomorgram are loss of the Four Corners-Moenkopi line and loss of the Four Corners-Cholla #2 345 kV line. The TTC rating was established in the mid 1980’s by the Four Corners Technical Studies Task Force and verified by 2010 System Operating Limit (SOL) studies. The task force is comprised of members from the following companies: • Arizona Public Service Company • El Paso Electric Company • Public Service Company of New Mexico • Salt River Project • Southern California Edison Company • Tucson Electric Power Company System Conditions: Study Criteria: Remedial Actions Required: Formal Operating Procedure: Flows on this transfer path have historically been east to west due to the large amount of generation located in northwestern New Mexico. This generation is partly owned by entities west of the Arizona - New Mexico border. The 2325 MW nominal limit was determined due to voltage deviation and thermal constraints. Same as WECC Reliability Criteria and NERC Planning Standards for Transmission System Planning. None None PART VI Item 1-60
Revised December 2010 Allocation: Interaction w/Other Transfer Paths: Contact Person: The transfer rating was established in the mind 1980’s by the Four Corners Technical Studies Task Force. The task force is comprised of members from the following companies: • Arizona Public Service Company owns all rights on the Four Corners-Cholla 345 kV lines. • Southern California Edison Company owns all the rights on the Four Corners-Moenkopi 500 kV line. None Barrie Kokanos, PhD, PE Arizona Public Service Company P. O. Box 53933, Station 3259 Phoenix AZ 85072-3933 (602) 250-1370 (602) 371-6022 - fax barrie.kokanos@aps.com Utah Colorado Navajo Path 23 N Four Corners W E Path 22 S Moenkopi Round Valley Cedar Mt Yavapai Coconino Path 51 Cholla Coronado New Mexico Mead Willow Lake/Prescott Dugas Preacher Canyon Path 50 Path 54 Sugarloaf Springerville Morgan Westwing Kyrene Pinnacle Peak Browning Legend Existing 500 kV Existing 345 kV Existing 230 kV Silver Metering Points King Path 51 Moenkopi*-Cedar Mt 500 Navajo*-Dugas 500 Path 50 Cholla*-Prchr Canyon 345 Cholla*-Pin. Peak 345 Path 23 Four Corners 500/345* Path 22 Four Corners*-Moenkopi 500 Four Corners*-Cholla 345 1&2 Saguaro Path 54 Coronado*-Silver King 500 BLK 11/28/11 Figure 1: Path 22 Description PART VI Item 1-61
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Document Title File Name Category 2
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WECC PATH RATING CATALOG Disclaimer
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holding rights on the path. Additio
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EXPLANATION OF TERMS Path Name Acce
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III-2. Palo Verde-Devers #2/ 212 II
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WECC Transfer Paths PART VI Item 1-
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Revised February 2005 1. Alberta -
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Revised November 2008 Allocation: I
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2. Alberta - Saskatchewan Revised F
Page 19 and 20: Revised January 2013 3. Northwest -
Page 21 and 22: Contact Person: Guihua Wang British
Page 23 and 24: Revised January 2013 4. West of Cas
Page 25 and 26: Revised January 2006 5. West of Cas
Page 27 and 28: Revised December 2011 Contact Perso
Page 29 and 30: 6. West of Hatwai Revised December
Page 31 and 32: 7. Deleted February 1998 INTENTIONA
Page 33 and 34: 8. Montana to Northwest Revised Jan
Page 35 and 36: 9. West of Broadview Revised Januar
Page 37 and 38: 10. West of Colstrip Revised Januar
Page 39 and 40: Revised January 2013 Interaction w/
Page 41 and 42: 11. West of Crossover Revised Janua
Page 43 and 44: 12. Deleted February 2002 INTENTION
Page 45 and 46: 14. Idaho to Northwest Revised Janu
Page 47 and 48: Revised January 2013 System Conditi
Page 49 and 50: 15. Midway - Los Banos Revised Febr
Page 51 and 52: Revised January 2011 Contact Person
Page 53 and 54: 16. Idaho - Sierra Revised December
Page 55 and 56: 17. Borah West Revised January 2013
Page 59 and 60: 18. Montana - Idaho Revised January
Page 61 and 62: 19. Bridger West Revised January 20
Page 63 and 64: Remedial Actions Required: Formal O
Page 65 and 66: 20. Path C Revised January 2013 PAR
Page 69: Revised February 2005 22. Southwest
Page 73 and 74: Revised February 2003 23. Four Corn
Page 75 and 76: Contact Person: Barrie Kokanos, PhD
Page 77 and 78: 24. PG&E - Sierra Revised February
Page 79 and 80: 25. PacifiCorp/PG&E 115 kV Intercon
Page 81 and 82: Study Criteria (continued) Remedial
Page 83 and 84: Revised February 2007 26. Northern
Page 85 and 86: Revised February 2003 27. Intermoun
Page 87 and 88: System Conditions: The Accepted Rat
Page 89 and 90: Revised January 2013 28. Intermount
Page 91 and 92: Revised February 2003 29. Intermoun
Page 93 and 94: Revised November 2007 Contact Perso
Page 95 and 96: 30. TOT 1A Revised December 2012 Ac
Page 97 and 98: 31. TOT 2A Revised January 2013 PAR
Page 99 and 100: Revised January 2013 Remedial Actio
Page 101 and 102: Revised February 2005 32. Pavant -
Page 103 and 104: 33. Bonanza West Revised December 2
Page 105 and 106: 34. SEE PATHS 78 AND 79 PART VI Ite
Page 107 and 108: Revised January 2013 35. TOT 2C (Pa
Page 109 and 110: 36. TOT 3 Revised January 2013 Acce
Page 111 and 112: Created on 8/10/10 TABLE 1-1A: TOT3
Page 113 and 114: 37. TOT 4A Revised January 2012 Acc
Page 115 and 116: PART VI Item 1-105
Page 117 and 118: 38. TOT 4B Revised January 2012 Acc
Page 119 and 120: WYOMING SYSTEM OPERATING CURVE SYST
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39. TOT 5 Revised January 2013 Acce
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40. TOT 7 Revised February 2003 PAR
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Revised January 2006 Allocation: In
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41. Sylmar to SCE Revised February
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42. IID - SCE Revised February 2004
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43. North of San Onofre Revised Jan
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44. South of San Onofre Revised Feb
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45. SDG&E - CFE Revised December 20
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Revised February 2003 46. West of C
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Revised February 2007 Allocation: N
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Revised January 2006 47. Southern N
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Revised February 2007 48. Northern
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Revised January 2013 49. East of th
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Revised January 2013 Utah Navajo Pa
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50. Cholla - Pinnacle Peak Revised
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51. Southern Navajo Revised Februar
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Revised December 2010 Contact Perso
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Revised February 2003 52. Silver Pe
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53. Deleted March 2007 INTENTIONALL
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Revised December 2010 54. Coronado-
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55. Brownlee East Revised January 2
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56. Deleted February 1999 INTENTION
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Revised February 2003 58. Eldorado
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Revised February 2003 59. WALC Blyt
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Revised February 2003 60. Inyo - Co
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Revised February 2003 61. Lugo - Vi
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62. Eldorado - McCullough 500 kV Li
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63. Deleted January 2011 INTENTIONA
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Revised February 1998 65. Pacific D
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Revised February 1998 Study Criteri
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66. COI Revised January 2013 PART V
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Revised January 2013 Remedial Actio
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71. South of Allston Revised Januar
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73. North of John Day Revised Decem
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Revised January 2013 75. Hemingway
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76. Alturas Project Revised Februar
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Revised February 2002 Contact Perso
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77. Crystal - Harry Allen Revised N
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78. TOT 2B1 Revised January 2013 Ac
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79. TOT 2B2 Revised January 2013 Ac
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80. Montana Southeast Revised Janua
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81. Centennial Revised November 200
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82. TotBeast Revised January 2013 P
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Revised January 2013 Formal Operati
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III-1. Devers-Palo Verde #2 Path 49
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Revised November 2007 System Condit
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Revised November 2007 III-2. Palo V
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Updated November 2007 III-3. Montan
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simultaneous analysis, only heavy s
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III-4. Path C (Post Gateway) Revise
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Revised January 2011 Interaction w/
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III-5. Aeolus South Project Added J
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Added January 2013 III-6. Aeolus We
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Added January 2013 III-7. Bridger/A
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III-9. TOT 4A (Pre-Gateway) Revised
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Contact Person: Craig Quist PacifiC
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Added January 2013 III-10. TOT 4A (
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III-11. TOT 4B (Pre-Gateway) Revise
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Operating operating agent and uses
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III-12. SunZia Southwest Transmissi
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Contact Person Mark L. Etherton, P.
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Revised January 2013 Formal Operati
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January 2013 III-15. TotBeast with
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January 2013 III-16. Idaho to North
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January 2013 Study Criteria: Remedi
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Revised January 2013 III-17. TOT3 A
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Remedial Actions Required: Formal O
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Phase II Projects PART VI Item 1-25
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Revised December 2010 II-1. Navajo
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Added January 2010 II-3. TransWest
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II-5. Path 45 Uprate Project Revise
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Contact Person: Ing. Jesús Moya Je
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Added February 2010 II-6. Southwest
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Intertie, Normally Close) Interacti
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II-8. IID - SCE March 2013 Accepted
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II-9. IID - SCE March 2013 Accepted
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Path Rating Catalog 2013 - Western Electricity Coordinating Council

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