Effective Communication of SOL Exceedances to ERCOT TOs
In the NERC Project 2015-09 updates, the focus is on enhancing communication regarding System Operating Limit (SOL) exceedances to ERCOT Transmission Operators (TOs). The project aims to comply with new requirements by April 1, 2024, and is currently in the execution phase. Various methods, including the External Grid Geo application, are utilized for filtering and reporting SOL exceedances. In case of system failures, manual communication processes are in place. Detailed MIS reports are generated for monitoring and mitigation purposes. Real-time Contingency Analysis (RTCA) plays a crucial role in identifying and addressing SOL exceedances. Learn more about this vital project in the power sector.
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Presentation Transcript
NERC Project 2015-09Updates Sreenivas Badri March 28, 2024
NERC Project 2015-09Updates Project Scope Communication of SOL exceedances to ERCOT TOs Compliant with the new requirements by April 1, 2024 Project is in Execution Phase. SOL exceedances communication to ERCOT TOs Two methods SOL exceedances presented in External Grid Geo application TOs to filter the list of the Violations to only see their violations. (i.e. for which they are impacted). Change went into production on 12/14/2023 Creation of SOL exceedances MIS Report Posts pre and post contingency thermal, voltage, phase angle limit, and GTL results every 5 minutes that identifies SOL exceedances Change went into Production on 02/22/2024 In the event of above both communication methods are NOT functional, ERCOT System Operators will notify ERCOT TOs that ERCOT s tools for SOL Electronic Communication has a [planned / unplanned] Outage and ERCOT will make manual communication to all impacted TOs for SOL exceedances and mitigations as required. August 2023 PUBLIC
NERC Project 2015-09Updates MIS Report EMIL Information August 2023 PUBLIC
NERC Project 2015-09Updates When RTCA solves but does not report any SOL Exceedances MIS Report NP12218 MonElementId column shows No sol exceedances as shown below If MIS Report is not posted for a given 5-minute interval, it indicates that either there is a planned/unplanned outage or RTCA solution is not available. August 2023 PUBLIC
