NOTICE DATE: January 20, 2017
NOTICE TYPE: M-A012017-01 NPRR
SHORT DESCRIPTION: Implementation Details of NPRR790
INTENDED AUDIENCE: ERCOT Market Participants
DAY AFFECTED: February 1, 2017
LONG DESCRIPTION: On February 1, 2017, Nodal Protocol Revision Request (NPRR) 790, Addition of Phase Angle Limits to the Network Operations Model, will be implemented.
This Nodal Protocol Revision Request (NPRR) requires the Transmission Service Providers to provide and maintain
synchronism check relay phase angle limits that are applied to operator-initiated, non-automated control actions of TSP-owned transmission breakers
in the ERCOT Network Operations Model.
ADDITIONAL INFORMATION: Pursuant to Nodal Protocol Section 21.6, Nodal Protocol Revision Implementation, ERCOT is required to provide notice as soon as practicable, but no later
than ten days prior to implementation.
NPRR790 and associated documents can be found on the ERCOT website.
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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