NOTICE DATE:  September 8, 2016
NOTICE TYPE:  W-A090816-01 Extracts
SHORT DESCRIPTION:  Null data values present in some files within the 48 Hour DAM and SCED Energy Curves Report
INTENDED AUDIENCE:  ERCOT Market Participants
DAY AFFECTED:  Files posted from 09/03/2016 to present
LONG DESCRIPTION:  The 48 Hour DAM and SCED Energy Curves Report contains 27 individual files for which a subset of files posted with null data relating to a report enhancement implemented during planned maintenance activities in the on-cycle R4 release. This change was introduced as part of ITCM-26076 to update SCED reports with energy curves to reflect null values for price/quantity pairs.
ERCOT operations is currently working to roll back to the prior code set and notification will be sent once the roll back is complete and reports are posting without issue.
Files from 09/03/2016 forward have not been removed from the Market Information System (MIS) Public area at this time since only a subset of the posted data was affected.  A follow up notification will be provided at a later date in the event of posting removals or data reruns.
Report Name

EMIL ID

Report Type

48 Hour DAM and SCED Energy Curves Reports

NP3-908-ER

13054


Below are the specific files affected within the 48 Hour DAM and SCED Energy Curves report.
EMIL ID

Filename

Number of Files Affected within the Zipfile

NP3-917

48h_Agg_Supply_Curves_PVGR-DD-MON-YY.csv

1

NP3-917

48h_Agg_Supply_Curves_Non_IRR- DD-MON-YY.csv

1

NP3-918

48h_Agg_Supply_Curves_Wind- DD-MON-YY.csv

1

NP3-923

48h_Agg_Supply_Curves_Non_IRR_Houston-DD-MON-YY.csv  (and North/South/West)

4

NP3-927

48h_Agg_Supply_Curves_Wind_Houston-DD-MON-YY.csv (and North/South/West)

4

NP3-251

48_Hour_Aggr_Energy_Demand_Curves_CLR- DD-MON-YY.csv

1


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