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Oil Load Serving Study Update

Oil Load Serving Study Update. August 18 th , 2011. OIL LOAD SERVING STUDY AREA. WILLISTON LOAD POCKET. ASSUMPTIONS. MCDC LIMITED TO 100MW E-W MDU PEAKERS OFF LEWIS & CLARK GEN ON WIND OFF CULBERSTON OFF BUT AVAILABLE FOR PRIOR OUTAGES FORT PECK GENERATION = 35MW, MAX ~135MW

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Oil Load Serving Study Update

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  1. Oil Load Serving Study Update August 18th, 2011

  2. OIL LOAD SERVING STUDY AREA

  3. WILLISTON LOAD POCKET

  4. ASSUMPTIONS MCDC LIMITED TO 100MW E-W MDU PEAKERS OFF LEWIS & CLARK GEN ON WIND OFF CULBERSTON OFF BUT AVAILABLE FOR PRIOR OUTAGES FORT PECK GENERATION = 35MW, MAX ~135MW WINTER PEAK LOADS

  5. CHALLENGES VOLTAGE STABILITY LOW VOLTAGE, POWER QUALITY, POOR “PROFILE” REGIONAL LOAD INCREASES 115KV LINE OVERLOADS MAINLY FEEDING WILLISTON POCKET

  6. EXAMPLE VOLTAGE STABILITY “PV” CURVE

  7. EXISTING SYSTEM Charlie Creek-Williston at 115kV Charlie Creek 345kV Line 230kV Line 115kV Line

  8. BASELINE FORECAST Existing System Limit Until July 2012

  9. July 2012 Charlie Creek-Williston at 230kV

  10. CAPCITOR ADDITIONS

  11. Williston-CCR 230 & Cap Additions BASELINE FORECAST

  12. 2013 Networked 115kV Des Lacs

  13. Networked 115kV

  14. Williston SVC BASELINE FORECAST

  15. RUN CULBERTSON PRE-CONTINGENT BASELINE FORECAST

  16. ADD 345KV BASELINE FORECAST

  17. Prior Outages?

  18. BASELINE FORECAST Williston-CCR 230 & Cap Additions Networked 115kV

  19. BASELINE FORECAST Networked 115kV Williston-CCR 230 & Cap Additions

  20. BASELINE FORECAST Networked 115kV Williston-CCR 230 & Cap Additions

  21. QUESTIONS?

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