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Conservation E-BLASTs

IESO Board approves three market rule amendments

June 25, 2015

The IESO Board has approved the following market rule amendments at its meeting on June 24:

This amendment limits self-induced congestion management settlement credit (CMSC) payments to generators ramping down to come off-line. The effective date of this amendment is currently anticipated to be in the fourth quarter of 2015, upon implementation of the required IT system changes.

This amendment changes the title of Category 3 in Appendix 4.2 from "Low Voltage Ride Through" to "Voltage Ride Through" to reflect that generation facilities have both low voltage and high voltage ride through requirements. In addition, the amendment deletes the word "continually" from Category 5 of Appendix 4.2 which will remove unwarranted barriers to market entry for some generating facilities. The effective date of this amendment is July 24.

This amendment adopts changes made by the North American Electric Reliability Corporation (NERC) to their Technical Feasibility Exception (TFE) process. Specifically, the amendments include the:

  • Elimination of the initial screening stage of the TFE process;
  • Elimination of the application fee for the initial assessment of a TFE application.

The effective date of this amendment is July 17.

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