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2013 System Assessment Base Case Options Gordon Comegys January 31, 2013
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Recent Approved WECC Cases
2018 HS2 - General 5 Year Heavy Summer Planning Case [7/19/12] Interchanges COI: 3426 PDCI: 2800 at Celilo BC>NW: 2300 MT>NW: 1445 Hemingway>Burns: 361 Grassland>Hemingway 590 (NW>ID: 439, definition needs correction) NW Load: 26427 2023 HS1 - General 10 Year Heavy Summer Planning Case [10/22/12] COI: 3521 PDCI: 2604 at Celilo BC>NW: 2299 MT>NW: 830 Hemingway>Burns: 3226Grassland>Hemingway 731 (INW>ID: 881) NW Load: 28123 2022LSP1B - Corrected 10 year Light Spring Scenario TEPPC Case with High Renewables WECC wide [approved 11/14/12] HW 2 - General 5 Year Heavy Winter Planning Case [approval soon]
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Recent Approved WECC Cases (continued)
2022LSP1B - Corrected 10 year Light Spring Scenario TEPPC Case with High Renewables WECC wide [approved 11/14/12] HW 2 - General 5 Year Heavy Winter Planning Case [approved yesterday, 1/30/13] COI: 1168 PDCI: Celilo MT>NW: 1052 NW>BC: 500 Hemingway>Burns: 365 Grassland>Hemingway: 261 ID>NW: 26 NW Load:
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Options for unavailable WECC cases
10 Year Winter Case Option Data request to modify 18HW2 5 year case load/gen pattern Near term light load case options Data request to modify 2013 LS1 Operating Case to 2015 conditions [13LS1 approved 11/16/12] Data request to modify LW1 Operating Case to conditions [14LW1 approval schedule 3/20/13]
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WECC cases later in 2013 2019 HS2 - General 5 Year Heavy Summer Planning Case [approval schedule 7/10/13] HW2 - General 5 Year Heavy Winter Planning Case [approval schedule 8/14/13] HW1 - General 10 Year Heavy Winter Planning Case [approval schedule 9/18/13]
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Firm Commitment Conditions (for discussion)
Light load, high renewables + high hydro + high export 80% of summer and winter peak load + high renewables Abnormal cold winter loads with 5% probability and low hydro, low renewables condition (deficit NW gen, high import into NW) Usual peak summer and winter with low renewables
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Planning Case Project Assumptions
2018 HS2 – Planned Projects in WECC case Cascade Crossing Horizon-Trojan 230kV Blue Lake-Gresham 230kV I-5 Corridor Reinforcement Big Eddy-Knight Raver 500/230kV transformer and Raver-Covington 230 New wind projects (1100 MW wind gen, all off, Longhorn 500/230kV instead of McNary 500/230) Hemingway-Grassland(Boardman) Central Ferry-Lower Monumental Columbia-Larson 230kV St Clair 230/115 Alderton 230/115 Lakeside 230/115 Denny 115kV phase 1 and series inductors Delridge-Duwamish 230 reconductor (no transformer) Beverly Park 230/115kV transformer SnoPud Granite Falls transmission loop Starwood transformer removal (bypass, also bypassed in operating case) Longview Annex retermination PACW Whetstone 230kV project Pondersosa 500/230kV (already in Operating Case, too) Rocky Ford-Dover 115kV Portal Way 230/115kV #2 (also in Operating Case)
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Planning Case Project Assumptions
2018 HS2 – Planned Projects MISSING in WECC case Moscow substation rebuild Benton-Othello 115kV Westside substation rebuild Bronx-Cabinet Rebuild Lancaster loop-in Montana-Washington Project (CUP) Monroe 500kV shunt capacitor Schultz Series Capacitors Celilo Upgrade Paul shunt reactor St Clair-Woodland 115 Bellingham-Sedro Wooley 115kV reconductor Bothell-Snoking 230 1&2 reconductor Mcloughlin-Pearl-Sherwood Pearl-Sherwood Salem-Chemawa rebuild White Bluffs 115kV shunt capacitor Longview-Lexington conversion to 115 Longview-Lexington-Cardwell conversion to 115 Columbia-Rapids 230 (status shows open) MATL Project (shows status OPEN) Wanapum-Pomona 230kV Wallula-McNary 230kV Union Gap 230/115kV #3
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Planning Case Project Assumptions (continued)
2018 HS2 – Planned Projects MISSING in WECC case Big Eddy 230/115kV #1 replacement John Day-Big Eddy 500kV #1 reconductor Olympia-Shelton 230kV #5 upgrade Alvey 500kV shunt reactor Franklin 115kV cap additions
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