NOTICE DATE: February 20, 2021

NOTICE TYPE:  CNP-M-A022021 – Initial   

DAYS AFFECTED:  Tuesday, February 16, 2021 – Thursday, February 18, 2021

SHORT DESCRIPTION: CNP has begun the process of retrieving additional interval usage data from our AMS meters for the period of the rolling outage event.  That data will be delivered to the market beginning Saturday, February 20, and will continue into next week.  Our goal is to deliver as much actual data as possible for use in the initial settlement of usage days 2/16 – 2/18. 


INTENDED AUDIENCE:  All Market Participants

LONG DESCRIPTION: During the rolling outage event, CNP continued to attempt to interrogate meters to retrieve usage information.  For any meters that were not communicating at the times of interrogation, interval usage was estimated by our Meter Data Management system.  In general, if our outage system indicated that power was out to a premise, the intervals were estimated as zero.  If there was no outage indicated, the intervals were estimated based on the historical usage.  


CNP has interrogated all of the meters to retrieve actual data for Tuesday 2/16, and our goal is to deliver the data to ERCOT on Saturday 2/20 in time for initial settlement. 


Our goal is for additional days to be retrieved and delivered on the following schedule:




ADDITIONAL INFORMATION:  A notice to the market will be provided when completed.


CONTACT:  If you have any questions regarding this notification, please send an email to [log in to unmask]



Competitive Retailer Relations

CenterPoint Energy Houston Electric, LLC



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