Business Practice Manual
ERCOT business practices provide supplemental information to explain or communicate the functionality of the ERCOT Systems and Processes. These business practices support the ERCOT ISO’s market and operations responsibilities as directed by the Nodal Protocols.
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Ancillary Service Market Transactions in the Day-Ahead and Real Time Adjustment Period
Describes and explains the structure of QSE Ancillary Service Offers submitted for consideration in the Day-Ahead Market and Supplemental Ancillary Services Markets. This Business Practice provides descriptive material and examples of AS Offer submittals.
(01/24/11, .doc, 115.5 KB) -
Current Operating Plan Practices By Qualified Scheduling Entities
Describes ERCOT's expectations regarding Current Operating Plan entries by QSEs.
(01/24/11, .doc, 410 KB) -
Day-Ahead Market Operating Procedure Manual
Describes the detailed procedures performed by the Day-Ahead Market (DAM) operators in executing DAM and associated processes.
(01/31/12, .doc, 506.5 KB) -
ERCOT And QSE Operations Practices During The Operating Hour
Describes ERCOT's expectation for the management of Generation Resource operations and telemetry data by the QSE and the Resource Owner during the Operating Hour.
(02/27/12, .doc, 469 KB) -
Network Operations Modeling Expectations For TSPs, RES, And QSES
Describes data submission guidelines for Network Model changes that are submitted by TSPs, REs and QSEs to maintain the accuracy of the ERCOT Network Operations Model.
(01/17/12, .doc, 2.8 MB) -
Price Validation and Corrections
This guide is used for performing price validations and corrections on Day Ahead Market (DAM), Real Time Market (RTM), and Supplemental Ancillary Service Market (SASM).
(06/10/11, .doc, 53 KB) -
Procedure for Identifying Resource Nodes
ERCOT Business Practices provide supplemental information to explain or communicate the functionality of the ERCOT Systems and Processes. These practices support the ISO's market and operations responsibilities as directed by protocols.
(03/03/11, .doc, 113 KB) -
Simple Transmission Outage Definition
A simple Transmission Outage is a classification of outage that can be removed from service without effecting LMP prices or causing congestion.
(03/03/11, .doc, 38 KB) -
Split Generation Resources in the ERCOT Market and Operations Systems
Describes registration and protocol application of Generation Resources that are registered, modeled, operated, and settled as Split Generation Resources in the ERCOT market and operation systems.
(08/19/11, .doc, 193.5 KB)