
ICCP Telemetry Points Modeling Guidelines and Updates ERCOT
Stay updated on the latest guidelines and updates for ICCP telemetry points modeling in the ERCOT system. Learn about new expectations for naming conventions, system-level statuses, and more. Get ready for market trials and ensure your telemetry points are set up correctly.
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Technical Working Group (TWG) Common Questions on ICCP Telemetry Points Modeling Tejaswi Potluri Kevin McGarrahan 02/27/2025
RTC+B ICCP Telemetry Modeling Expectations o New single model ESR names for existing combo-model ESRs have been published to the RTCBTF page: https://www.ercot.com/committees/tac/rtcbtf o Request all market participants to follow the template for the object name format. o When submitting ICCP requests for existing resources, please provide RTC specific object names only for modeling. These are the objects in RED text in the template. o Similarly for single model ESR devices, all objects in RED text on the ESR tab are required to be submitted. o Within the RTC construct, CLRs are not expected to participate in FFR service. o The AVR and PSS points are not required to be modelled on CLRs in RTC. *Link to RTC+B ERCOT Nodal ICCP Communications Handbook 2 2 Public
Updates to RTC+B ICCP Handbook Add System level statuses for ONSC and FFR o Cleaned up duplicates for System level AS MCPCs and added object Names o Removed System level ORDC points ONHT and ONLT Removed FFRC from CLR o o *Link to RTC+B ERCOT Nodal ICCP Communications Handbook 3 3 Public
Updates to ICCP Telemetry Template Removed AVR and PSS for CLR o 4 4 Public
Market Trial Handbooks - QSE Telemetry Check-Out (Handbook #2) 5 Public
RTC+B ICCP Model Load and Testing o ERCOT will model the RTC+B ICCP points in the network model and perform ICCP model load in lower environment for ERCOT internal verification. o This verified model with the RTC+B ICCP points will be loaded into current Production ICCP system. o ERCOT will publish a schedule to indicate when the new RTC+B specific telemetry points will be available in Production. o ERCOT will provide support to QSEs to setup the RTC+B telemetry points in their Production ICCP system and perform communication testing. o ERCOT and QSE to start testing the RTC+B telemetry points in current Production ICCP system (telemetry points check out) from market trials starting from 05/05. o ERCOT expects continuous good quality telemetry from July 1st week for points that are needed to support RTC+B EMS/SCED open loop testing. 6 6 Public
Refresher on RTC+B ICCP Configuration o RTC+B ICCP telemetry will be modeled in the current Production ICCP system under existing ICCP links. o No new sandbox will be available for RTC+B specific ICCP testing. o All point-to-point telemetry checkouts will be performed in the current Production ICCP system from market trials starting from 05/05. 7 7 Public
RTC+B ICCP Telemetry Modeling QUESTIONS? Send any additional questions, feedback and comments to RTCB@ercot.com. 8 8 Public