NOTICE DATE:  August 12, 2011

NOTICE TYPE:  M-A081211-01 SCR

SHORT DESCRIPTION:  Implementation details of SCR764 – Public Access to Select MIS Dashboards – Phase 1

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  August 24, 2011

LONG DESCRIPTION:  On August 24, 2011, ERCOT will release the Real-Time System Conditions dashboard in the first phase of the implementation of System Change Request (SCR) 764, Public Access to Select MIS Dashboards. This implementation is planned to occur in three phases between August and the end of 2011. SCR764 was approved by the ERCOT Board on May 17, 2011, and it adds the following dashboards, which are currently displayed on the Market Information System (MIS), to ERCOT.com (with each planned phase indicated):

·         Real-Time System Conditions – Phase 1

·         Load Forecast vs. Actual – Phase 2

·         SCED Up/Down – Phase 2

·         LMP Contour Map – Phase 3

·         LMP Ticker – Phase 3

Technical changes to the architectural design were required in order to make the dashboards available to the public without performance impacts. As a result, the Real-Time System Conditions dashboard will no longer show the Frequency graph, but it will instead contain the Frequency and Instantaneous Time Error as values in a table.

The Real-Time System Conditions dashboard will be located on ERCOT.com in the Grid Information section, on the Current System Conditions page. The dashboard will continue to be available on the MIS Application page, as well.

ADDITIONAL INFORMATION:  SCR764 and associated documents can be found on the ERCOT website, under Market Rules, at http://www.ercot.com/mktrules/issues/scr/750-774/index.

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 [log in to unmask]<mailto:[log in to unmask]>.

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