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Preview of the Electric Transmission Constraint Study

Preview of the Electric Transmission Constraint Study. Division of Market Development Before the Commission September 26, 2001. Thanh Luong (Team Lead) Kumar Agarwal Cynthia Pointer Meesha Bond Raymond Montini. Ron Rattey Camilla Ng Dean Wight William Meroney (Advisor).

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Preview of the Electric Transmission Constraint Study

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  1. Preview of theElectric Transmission Constraint Study Division of Market Development Before the Commission September 26, 2001

  2. Thanh Luong (Team Lead) Kumar Agarwal Cynthia Pointer Meesha Bond Raymond Montini Ron Rattey Camilla Ng Dean Wight William Meroney (Advisor) Members of the Team

  3. Product • Transmission Constraint Study • Estimated Completion: Nov. 07, 2001 Related Products • A Western Infrastructure Assessment • Review of supply (generation), demand, market activity and transmission • Estimated Completion: To Be Determined • A similar assessment of Eastern infrastructure is planned • Estimated Completion: To Be Determined

  4. Constraints and the resulting congestion pose two problems for Customers: • Threatens reliability. • Increases the costs of power. Why Constraints Matter

  5. Why Constraints Matter RELIABILITY has been the traditional criteria for relieving constraints, but . . .

  6. Constraints increase the cost of power where supply can not move to where it is needed. Why Constraints Matter

  7. Examples of Constraints • Path 15 in Central CA • Central East Interface in NY

  8. Path 15 in Central CA

  9. Central East Interface in NY

  10. Estimated Cost of Constraints • Path 15 in Central CA: • Congestion during Dec. 2000 • $73 million in additional cost to Customers • Central East Interface in NY: • Congestion during Aug. 2001 • $19 million in additional cost to Customers

  11. In Review . . . • Transmission Constraint Study • Estimated Completion: Nov. 07, 2001 • A Western Infrastructure Assessment • Review of supply (generation), demand, market activity and transmission • Estimated Completion: To Be Determined • A similar assessment of Eastern infrastructure is planned • Estimated Completion: To Be Determined

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