Path Rating Catalog 2013 - Western Electricity Coordinating Council

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Revised January 2013 Study Criteria: Remedial Actions Required: Formal Operating Procedure: Allocation: Interaction w/Other Transfer Paths: Contact Person: (Summary) System intact: • Per unit voltages between 0.95 p.u. and 1.05 p.u. • All lines and transformers loaded to less than continuous rating. Single contingency outage conditions: • Per unit voltages between 0.90 p.u. and 1.10 p.u. • All lines loaded to less than 15-minute emergency ratings. • All transformers loaded to less than 30-minute emergency ratings. • Transient voltage swings down to 0.7 p.u. permitted. Following an outage, all overloaded lines and transformers must have their loadings reduced to continuous ratings within 15 minutes. This is accomplished by reducing schedules and adjusting generation. There is a formal operating procedure dated March 1, 2011. WAPA- Loveland is the operating agent and uses real-time flows to monitor the path. The transfer capability of the path is divided between WAPA, Missouri Basin Power Project (MBPP), Public Service Company of Colorado (PSCO), and Tri-State Generation & Transmission (TSGT). TSGT and BEPC are members of MBPP. None Roy Gearhart Western Area Power Administration Rocky Mountain Region P.O. Box 3700 Loveland, CO 80539-3003 (970) 461-7333 (970) 461-7423 - fax RGearhart@wapa.gov PART VI Item 1-100
Created on 8/10/10 TABLE 1-1A: TOT3 SYSTEM INTACT LIMITS Home 2010-11 Heavy Winter 2010-11 TOT3 Winter CPP: 66 MW System Intact DC TIES 300 MW East to West 0 MW 300 MW West to East LRS 1140 MW (Net) a1 Stress 34 a2 Stress 37 a3 Stress 44 Paw nee 777 MW (Net) TOT3 = 1609 MW TOT3 = 1507 MW TOT3 = 1376 MW (Outage Lar.Rivr-Story 345-kV line loaded (Outage Lar.Rivr-Story 345-kV line loaded (Outage Lar.Rivr-Story 345-kV line loaded Lar.Rivr-Ault 345-kV line to Lar.Rivr-Ault 345-kV line to Lar.Rivr-Ault 345-kV line to 100% of its 956 MVA rating.) 100% of its 956 MVA rating.) 100% of its 956 MVA rating.) LRS 570 MW (Net) b1 Stress 41 b2 Stress 35 b3 Stress 33 Paw nee 777 MW (Net) TOT3 = 1412 MW TOT3 = 1165 MW TOT3 = 854MW (Outage of Lar.Rivr Station Generator (Outage of Lar.Rivr-DaveJohn 230-kV line (Outage of Lar.Rivr-DaveJohn 230-kV line loaded DaveJohn-Lar.Rivr 230-kV line to loaded DaveJohn-Stegall 230-kV line to loaded DaveJohn-Stegall 230-kV line to its emergency rating) 100 % of 319 MVA rating) 100 % of 319 MVA rating) LRS 1140 MW (Net) c1 Stress 17 c2 Stress 34 c3 Stress 26 Paw nee 280 MW (Net) TOT3 = 1588 MW TOT3 = 1546 MW TOT3 = 1299 MW (Outage Sidney-Spck loaded (Outage Lar.Rivr-Story 345-kV line loaded (Outage of Sidney-Stegall 230-kV line Peetz-Sterling 115-kV to Lar.Rivr-Ault 345-kV line to loaded Gering-McGrew 115-kV to 100% 100% of normal 109 MVA rating) 100% of its 956 MVA rating.) of 109 MVA rating) LRS 570 MW (Net) d1 Stress 25 d2 Stress 31 d3 Stress 15 Paw nee 280 MW (Net) TOT3 = 1277 MW TOT3 = 1183 MW TOT3 = 846 MW (Outage Sidney-Spck 230-kV loaded (Outage of Lar.Rivr-DaveJohn 230-kV line (Outage of Lar.Rivr-DaveJohn 230-kV line Peetz-Sterling 115-kV to loaded DaveJohn-Stegall 230-kV line to loaded DaveJohn-Stegall 230-kV line to 100% of normal 109 MVA rating) 100 % of 319 MVA rating) 100 % of 319 MVA rating) jgriffit@wapa.gov Case Summary Report Calculate New TOT3 Limits WECC's "Accepted Rating" is
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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
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Revised January 2013 3. Northwest -
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Contact Person: Guihua Wang British
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Revised January 2013 4. West of Cas
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Revised January 2006 5. West of Cas
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Revised December 2011 Contact Perso
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6. West of Hatwai Revised December
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7. Deleted February 1998 INTENTIONA
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8. Montana to Northwest Revised Jan
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9. West of Broadview Revised Januar
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10. West of Colstrip Revised Januar
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Revised January 2013 Interaction w/
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11. West of Crossover Revised Janua
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12. Deleted February 2002 INTENTION
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14. Idaho to Northwest Revised Janu
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Revised January 2013 System Conditi
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15. Midway - Los Banos Revised Febr
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Revised January 2011 Contact Person
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16. Idaho - Sierra Revised December
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17. Borah West Revised January 2013
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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 67 and 68: Revised January 2013 Interaction w/
Page 69 and 70: Revised February 2005 22. Southwest
Page 71 and 72: Revised December 2010 Allocation: I
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: 36. TOT 3 Revised January 2013 Acce
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
Page 121 and 122: 39. TOT 5 Revised January 2013 Acce
Page 123 and 124: 40. TOT 7 Revised February 2003 PAR
Page 125 and 126: Revised January 2006 Allocation: In
Page 127 and 128: 41. Sylmar to SCE Revised February
Page 129 and 130: 42. IID - SCE Revised February 2004
Page 131 and 132: 43. North of San Onofre Revised Jan
Page 133 and 134: 44. South of San Onofre Revised Feb
Page 135 and 136: 45. SDG&E - CFE Revised December 20
Page 137 and 138: Revised February 2003 46. West of C
Page 139 and 140: Revised February 2007 Allocation: N
Page 141 and 142: Revised January 2006 47. Southern N
Page 143 and 144: Revised February 2007 48. Northern
Page 145 and 146: Revised January 2010 Allocation: In
Page 147 and 148: Revised January 2013 49. East of th
Page 149 and 150: Revised January 2013 Utah Navajo Pa
Page 151 and 152: 50. Cholla - Pinnacle Peak Revised
Page 153 and 154: 51. Southern Navajo Revised Februar
Page 155 and 156: Revised December 2010 Contact Perso
Page 157 and 158: Revised February 2003 52. Silver Pe
Page 159 and 160: 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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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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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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Revised January 2013 Allocation: In
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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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