Draft nprr for revisions to gredp and nsrs performance criteria
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Draft NPRR for Revisions to GREDP and NSRS Performance Criteria. S. Looney, March 7, 2011. Summary of Protocol Revisions. In 6.5.7.6.2.3, changed the performance criteria from “at an output level at least equal to the Resource’s LSL” to “released to SCED”.

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Draft NPRR for Revisions to GREDP and NSRS Performance Criteria

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Draft nprr for revisions to gredp and nsrs performance criteria

Draft NPRR for Revisions to GREDP and NSRS Performance Criteria

S. Looney, March 7, 2011


Summary of protocol revisions

Summary of Protocol Revisions

  • In 6.5.7.6.2.3, changed the performance criteria from “at an output level at least equal to the Resource’s LSL” to “released to SCED”.

  • Added the definition of released to SCED as net Generation greater than or equal to ninety percent of its LSL and telemetering the correct Resource Status (RST)


Protocol revisions

Protocol Revisions

  • Section 6.5.7.6.2.3, added the requirement for ERCOT to provide a notification to all QSEs via the ERCOT MIS Certified Area when Non-Spin is deployed to any QSE on the ERCOT system showing the time, MW quantity and duration of the deployment.

  • Section 8.1.1.2, added language to specify that if the QSGR receives a second Base Point lowering generation, the QSGR will be expected to perform to the subsequent appropriate Base Point.


Protocol revisions1

Protocol Revisions

  • Section 8.1.1.4.1, added the definition for Generation Resource released to SCED at 90% of LSL to GREDP calculation criteria.

  • Section 8.1.1.4.1, added the following: . If a Generation Resource or DSR Portfolio has less than 15 five-minute clock intervals scored during a month, it must have a GREDP less than the greater of X% or Y MW for all but two intervals.


Protocol revisions2

Protocol Revisions

  • Section 8.1.1.4.1, added a 5 MW deadband for over generation on wind where only a percentage was included previously.

  • Section 8.1.1.4.1, added the following for low number of scoring intervals in a month: If an IRR has less than 15 five-minute clock intervals scored during a month, it must have a GREDP less than the greater of Z% or 5 MW for all but two intervals.


Protocol revisions3

Protocol Revisions

  • Section 8.1.1.4.1, added requirement that GREDP would only be calculated for 5 minute clock intervals where the WGR was curtailed for the entire interval.

  • Section 8.1.1.4.3, added language to NSRS energy deployment criteria to be consistent with 6.5.7.6.2.3 language specifying requirement to be released to SCED and definition of released to SCED.

  • Need for clarification of MW output level at 25 minutes after NSRS deployment?


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