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NOTICE DATE: October 6, 2017

NOTICE TYPE:  M-A100617-01 Operations

SHORT DESCRIPTION: Notification of Suspension of Operations for LUMINANT GENERATION COMPANY LLC (RE) – Monticello Unit 1 (MNSES_UNIT1), Monticello Unit 2 (MNSES_UNIT2), and Monticello Unit 3 (MNSES_UNIT3)


DAY AFFECTED:  January 4, 2018

LONG DESCRIPTION:  ERCOT received a Notification of Suspension of Operations (NSO) for the following Generation Resources:

The NSO indicates that Luminant Generation Company LLC (Luminant) will decommission and retire the above-referenced Generation Resources permanently on January 4, 2018. The NSO further identifies the Generation Resources as having the following summer Seasonal Net Max/Minimum Sustainable Ratings:

Generation Resource

Seasonal Net Max Sustainable Rating (MW)

Seasonal Net Minimum Sustainable Rating (MW)

Monticello Unit 1 (MNSES_UNIT1)



Monticello Unit 2 (MNSES_UNIT2)



Monticello Unit 3 (MNSES_UNIT3)




A copy of the NSO is posted under the Notice of Suspension of Operations portlet on the Grid/Generation page of the ERCOT Market Information System (MIS) Secure Area.  An ERCOT Digital Certificate is required to access the MIS. 

ACTION REQUIRED:  Please send any comments you may have regarding this NSO to [log in to unmask], with “Luminant (MNSES_UNIT1, MNSES_UNIT2, MNSES_UNIT3) NSO Application” in the subject line.  Comments are due no later than October 20, 2017.  All comments will be posted to the Grid/Generation page of the MIS Secure Area.

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].

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