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Nodal Stabilization Market Call. December 20, 2010. Antitrust Admonition. ANTITRUST ADMONITION

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Presentation Transcript
nodal stabilization market call

Nodal Stabilization Market Call

December 20, 2010

http://nodal.ercot.com 1

antitrust admonition
Antitrust Admonition

ANTITRUST ADMONITION

ERCOT strictly prohibits Market Participants and their employees who are participating in ERCOT activities from using their participation in ERCOT activities as a forum for engaging in practices or communications that violate the antitrust laws. The ERCOT Board has approved guidelines for members of ERCOT Committees, Subcommittees and Working Groups to be reviewed and followed by each Market Participant attending ERCOT meetings. If you have not received a copy of these Guidelines, copies are available at the Client Relations desk. Please remember your ongoing obligation to comply with all applicable laws, including the antitrust laws.

DISCLAIMER

All presentations and materials submitted by Market Participants or any other Entity to ERCOT staff for this meeting are received and posted with the acknowledgement that the information will be considered public in accordance with the ERCOT Websites Content Management Operating Procedure.

http://nodal.ercot.com 2

general updates reminders
General Updates / Reminders
  • Decommissioning the eds1,2,3,4 (e.g. [email protected]) email addresses
  • Follow-up: Non-Spin deploy since Go-Live
    • Reason for deployment: capacity/ramp rate limitations:

http://www.ercot.com 3

general updates reminders1
General Updates / Reminders
  • Real Time Bill Determinants Missing in 12-1 through 12-3 RTM CODE Extracts
    • Affected Bill Determinants:
      • NSO (Non-Spin Obligation)
      • NSQ (Non-Spin Quantity)
    • Root Cause:
      • Missed configuration step during cutover
    • Resolution:
      • The bill determinants will be made available in the 12-1 through 12-3 RTM CODES for the Final Settlement
    • Impact:
      • These bill determinants are used in the calculation of Adjustments to Cost Allocations for Ancillary Services Procurement for Non-Spin.
      • QSEs will not be able to fully shadow the RTM adjustments to Non-Spin for Operating Days 12-1 through 12-3
      • The actual calculations were not impacted. Only extracts were impacted.

http://www.ercot.com 4

basis for the hotline call
Basis for the hotline call
  • ERCOT identified several generators that were above their SCED issue basepoints and this was collectively contributing to impact on the West to North Stability Limit flow
  • 11:43 ERCOT issued hotline call instructing QSEs with WGRs in the West to follow their SCED Basepoint
impact of basepoint deviations
Impact of Basepoint deviations

ERCOT Issued directive to follow the SCED Basepoints

expected actions
Expected actions
  • Until further notice Wind QSEs are instructed to follow the basepoint from SCED and treat this as a curtailment instruction
  • ERCOT will issue a call once the directive is canceled
questions

Questions?

http://nodal.ercot.com 8

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