Path Rating Catalog 2013 - Western Electricity Coordinating Council

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III-9. TOT 4A (Pre-Gateway) Location: Definition: Transfer Limit: Critical Disturbance that limits the transfer capability: Added January 2013 Accepted Rating Existing Rating Other Southwest Wyoming Sum of the flows on the following transmission lines: Line Metered End Riverton-Wyopo 230 kV Riverton Miners-Platte 230 kV Miners Spence-Mustang 230 kV Spence Northeast to Southwest: 937 MW (Non-simultaneous) Southwest to Northeast: Not defined Depending on flows on the adjacent TOT 4B path, the real-time rating can range between a minimum of 0 MW and a maximum of 937 MW (Reference attachment). Typically, the real-time rating centers around 650 MW. The critical disturbances and limiting elements vary with the various points on the nomogram. Reference attachment for further information. When: Rating Study Approved on 10/8/2010 System Conditions: Study Criteria: Remedial Actions Required: Formal Operating Procedure: Allocation: Interaction w/Other Transfer Paths: This rating is independent of transfer levels between major areas of WECC. Historically, the flows have all been northeast to southwest across the path. (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 facilities loaded to less than 100% of emergency ratings. Remedial actions are required to achieve the rated transfer capability. Following an outage, all overloaded lines and transformers must have their loading reduced to continuous ratings within 15 minutes. This is accomplished by reducing schedules and adjusting generation. There is a formal operating proceduredated 4/12/1991. PAC is the operating agent and uses real-time flows to monitor the path. PAC has the entire transfer capability of the path. See attachment PART VI Item 1-230
Contact Person: Craig Quist PacifiCorp 1407 W. North Temple - Suite 275 Salt Lake City, UT 84140 (801) 220-4264 (801) 220-2842 - fax craig.quist@pacificorp.com WYOMING SYSTEM OPERATING CURVE (2012 Winter Nomogram) SYSTEM NORMAL (2009 STUDIES) SYSTEM NORMAL POWERFLOW TOT FLOWS (MW) LIMITING OUTAGE LIMITING CONDITION CASE 4A 4B LINE KV BUS/LINE KV LIMIT Estimated 09LW- 87 829 YELLOWTAIL- 230 OREGON BASIN 0.9 C5E1L(11,12) SHERIDAN 230 KV 09LW- 301 829 GRASS CREEK- 230 GRASS CREEK 0.9 C5C4l(9,10) THERMOPOLIS 230 KV 09LW- 401 809 GRASS CREEK- 230 GRASS CREEK 0.9 C5A1A(9,10) THERMOPOLIS 230 KV 09LW- 639 746 MINERS- 230 BADWATER 230 0.9 C5(H2C9,G2B9) PLATTE KV 09LW- 714 683 MINERS- 230 BADWATER 230 0.9 C5(12D8,H2C8) PLATTE KV 09LW- 817 529 MINERS- 230 SPENCE 230 KV 0.9 C5(12D6,H2C6) 09LW- C5(H2C2,G2B2) PLATTE 937 196 MINERS- PLATTE 230 SPENCE 230 KV 0.9 PART VI Item 1-231
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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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18. Montana - Idaho Revised January
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19. Bridger West Revised January 20
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Remedial Actions Required: Formal O
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20. Path C Revised January 2013 PAR
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Revised February 2005 22. Southwest
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Revised December 2010 Allocation: I
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Revised February 2003 23. Four Corn
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Contact Person: Barrie Kokanos, PhD
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24. PG&E - Sierra Revised February
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25. PacifiCorp/PG&E 115 kV Intercon
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Study Criteria (continued) Remedial
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Revised February 2007 26. Northern
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Revised February 2003 27. Intermoun
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System Conditions: The Accepted Rat
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Revised January 2013 28. Intermount
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Revised February 2003 29. Intermoun
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Revised November 2007 Contact Perso
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30. TOT 1A Revised December 2012 Ac
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31. TOT 2A Revised January 2013 PAR
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Revised January 2013 Remedial Actio
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Revised February 2005 32. Pavant -
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33. Bonanza West Revised December 2
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34. SEE PATHS 78 AND 79 PART VI Ite
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Revised January 2013 35. TOT 2C (Pa
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36. TOT 3 Revised January 2013 Acce
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Created on 8/10/10 TABLE 1-1A: TOT3
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37. TOT 4A Revised January 2012 Acc
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PART VI Item 1-105
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38. TOT 4B Revised January 2012 Acc
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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 2010 Allocation: In
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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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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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Page 189 and 190: 70. Deleted February 1999 INTENTION
Page 191 and 192: 71. South of Allston Revised Januar
Page 195 and 196: 73. North of John Day Revised Decem
Page 199 and 200: Revised January 2013 75. Hemingway
Page 201 and 202: 76. Alturas Project Revised Februar
Page 203 and 204: Revised February 2002 Contact Perso
Page 205 and 206: 77. Crystal - Harry Allen Revised N
Page 207 and 208: 78. TOT 2B1 Revised January 2013 Ac
Page 209 and 210: 79. TOT 2B2 Revised January 2013 Ac
Page 211 and 212: 80. Montana Southeast Revised Janua
Page 213 and 214: 81. Centennial Revised November 200
Page 215 and 216: 82. TotBeast Revised January 2013 P
Page 217 and 218: Revised January 2013 Formal Operati
Page 219 and 220: III-1. Devers-Palo Verde #2 Path 49
Page 221 and 222: Revised November 2007 System Condit
Page 223 and 224: Revised November 2007 III-2. Palo V
Page 225 and 226: Updated November 2007 III-3. Montan
Page 227 and 228: simultaneous analysis, only heavy s
Page 229 and 230: III-4. Path C (Post Gateway) Revise
Page 231 and 232: Revised January 2011 Interaction w/
Page 233 and 234: III-5. Aeolus South Project Added J
Page 235 and 236: Added January 2013 III-6. Aeolus We
Page 237 and 238: Added January 2013 III-7. Bridger/A
Page 239: III-9. TOT 4A (Pre-Gateway) Revised
Page 243 and 244: Added January 2013 III-10. TOT 4A (
Page 245 and 246: III-11. TOT 4B (Pre-Gateway) Revise
Page 247 and 248: Operating operating agent and uses
Page 249 and 250: III-12. SunZia Southwest Transmissi
Page 251 and 252: Contact Person Mark L. Etherton, P.
Page 253 and 254: Revised January 2013 Formal Operati
Page 255 and 256: Revised January 2013 Allocation: In
Page 257 and 258: January 2013 III-15. TotBeast with
Page 259 and 260: January 2013 III-16. Idaho to North
Page 261 and 262: January 2013 Study Criteria: Remedi
Page 263 and 264: Revised January 2013 III-17. TOT3 A
Page 265 and 266: Remedial Actions Required: Formal O
Page 267 and 268: Phase II Projects PART VI Item 1-25
Page 269 and 270: Revised December 2010 II-1. Navajo
Page 271 and 272: Added January 2010 II-3. TransWest
Page 273 and 274: II-5. Path 45 Uprate Project Revise
Page 275 and 276: Contact Person: Ing. Jesús Moya Je
Page 277 and 278: Added February 2010 II-6. Southwest
Page 279 and 280: Intertie, Normally Close) Interacti
Page 281 and 282: II-8. IID - SCE March 2013 Accepted
Page 283: II-9. IID - SCE March 2013 Accepted
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