NOTICE DATE:  June 4, 2018

NOTICE TYPE:  W-A051018-02 Operations

SHORT DESCRIPTION:  Update - Proposal to Retire Monticello B Remedial Action Scheme

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  June 18, 2018

LONG DESCRIPTION:  ERCOT has completed its review of the Oncor Electric Delivery Company LLC (Oncor) proposal to retire the Remedial Action Scheme (RAS) at Monticello. The Monticello B RAS is designed to monitor and relieve thermal violations on the Farmersville – Royse double circuit, and the following 345 kV lines: Monticello – Sulphur Springs; Monticello – Allen Switch; and Monticello – Farmersville Switching Station #1.

ERCOT is approving the proposal to retire the Monticello B RAS. The Monticello B RAS is scheduled to be retired on June 18, 2018.

ADDITIONAL INFORMATION:  Information regarding all RASs can be found in the “Remedial Action Schemes and Constraint Management Plans” portlet located on the Long-Term Planning page of ERCOT’s Market Information System (MIS).

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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