NOTICE DATE:  July 2, 2012

NOTICE TYPE:  M-E052512-02 Extracts/Reports

SHORT DESCRIPTION:  Historical Prices reports with all price corrections from 2010 forward have been posted

INTENDED AUDIENCE:  ERCOT Market Participants

DAYS AFFECTED:  June 29 and July 1, 2012

LONG DESCRIPTION:  On June 29, 2012, ERCOT posted the Historical RTM Load Zone and Hub Prices report (NP6-785-ER) with updated files for 2010 and 2011 to account for all price corrections from Nodal go-live (December 1, 2010) through 2011. Note that the DAM Load Zone and Hub Prices report (NP4-180-ER) was not updated, because there were no DAM price corrections that impacted this report.

On July 1, 2012, ERCOT posted the monthly update to the 2012 Historical Prices reports for both DAM and RTM. These postings account for any price corrections for 2012.

ADDITIONAL INFORMATION:  This change is related to defect 44876 that was included in the June release Market Notice (see Notice W-B052512-02).

The Historical Prices reports are posted on the Market Prices webpage on the ERCOT website, under Historical Prices, at http://www.ercot.com/mktinfo/prices/.

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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