NOTICE DATE: May 22, 2013
NOTICE TYPE: M-B051313-02 SCR
SHORT DESCRIPTION: Implementation details of SCR773
INTENDED AUDIENCE: ERCOT Market Participants
DAY AFFECTED: May 23, 2013
LONG DESCRIPTION: On May 23, 2013, ERCOT will
implement System Change Request (SCR) 773, Addition of Regulation Feedback to Generation to be Dispatched Calculation, which was approved by the ERCOT Board on March 19, 2013. SCR773 updates the formula used to calculate the amount of generation to be dispatched
that takes into account a configurable quantity for Regulation Service that has been deployed as shown below:
Generation to be Dispatched = Total Gen +K1*10*System Load Frequency Bias + K2*[(net non-conforming Load) – (net filtered non-conforming Load)] + K3*5*PLRR + K4*Regulation Deployed.
Note: The parameter “X” and K4 will be set by ERCOT and reported to the Performance, Disturbance, Compliance Working Group (PDCWG) on implementation.
ADDITIONAL INFORMATION:
SCR773 and associated documents can be found on the ERCOT website, under Market Rules, at
http://www.ercot.com/mktrules/issues/scr/750-774/773/index.
Information on upcoming releases can be found on the ERCOT Multi Year Project Priority List (PPL) at
http://www.ercot.com/services/projects/.
CONTACT: If you have any questions, please contact your ERCOT Account
Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via email at
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