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NOTICE DATE: March 16, 2021

NOTICE TYPE: M-A031621-01 Operations

SHORT DESCRIPTION: Opening of ERCOT MOTE for testing of ESR submission changes related to NPRR986


DAYS AFFECTED: March 18, 2021 and March 19, 2021

LONG DESCRIPTION: ERCOT will implement changes associated with Nodal Protocol Revision Request (NPRR) 986, Battery Energy Storage Task Force (BESTF)-2 Energy Storage Resource (ESR) Energy Offer Curves, Pricing, Dispatch, and Mitigation, during the release period of March 30 – April 1, 2021.As part of the requirements of NPRR986, a Qualified Scheduling Entity (QSE) representing an ESR may submit or update its Energy Offer Curve (EOC) or Real-Time Market (RTM) Energy Bid for that ESR at any time prior to Security-Constrained Economic Dispatch (SCED) execution through the Application Programmatic Interface (API) or the Market Management System (MMS) User Interface.

In preparation for the production implementation, the ERCOT Market Operations Test Environment (MOTE) will be available for Market Participant testing starting on March 19, 2021. MOTE will be unavailable intermittently during 10:00 AM – 11:00 AM on March 18, 2021 to implement the NPRR changes.

ADDITIONAL INFORMATION: There are no changes to the “External Web Services XSD V1.20N” or the “EIP External Interfaces Specification v1.20N” document which can be found on the XSD page of 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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