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BPA ReDispatch Pilot June 26 to September 30

BPA ReDispatch Pilot June 26 to September 30. Status Report for Columbia Grid by Darrel VanCoevering September 14, 2007. ReDispatch Pilot Proven Effective. Nine ReDispatch Events to date Four Events were test Events Five Events were real system Events

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BPA ReDispatch Pilot June 26 to September 30

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  1. BPA ReDispatch PilotJune 26 to September 30 Status Report for Columbia Grid by Darrel VanCoevering September 14, 2007

  2. ReDispatch Pilot Proven Effective • Nine ReDispatch Events to date • Four Events were test Events • Five Events were real system Events • ReDispatch has proven effective reducing or eliminating curtailments • Inc/Dec cost has been low, less than $40,000

  3. Some Events not 100% effective • ReDispatch was only partly successful in some cases because of lack of bids • ReDispatch effectiveness was reduced in one case by another utility switching series compensation that increased congestion • ReDispatch effectiveness was reduced in another case by the normal hourly generation ramp that increased congestion

  4. The Future • Improving bid volume is important • Bids have increased with the seasonal reduced fish passage constraints on the hydro system • Effectiveness of ReDispatch and low cost have started thinking about expanded Phase 2

  5. Event List • 7/2 HE 12 Test Event South of Allston • 7/19 HE 13 Test Event North of John Day • 8/8 HE 16 Actual Event South of Allston • 8/15 HE 15 Actual Event South of Allston • 8/27 HE 14 Actual Event South of Allston • 8/27 HE 17 Actual Event South of Allston • 8/28 HE 15 Actual Event South of Allston • 9/5 HE 14 Test Event North of Hanford • 9/5 HE 18 Test Event North of Hanford

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