Upgrade to CIM16: Application and Data Products Overview
"Learn about upgrading from CIM10 to CIM16 in ERCOT, the project timeline, impacts on systems, and testing processes. Discover how ERCOT is enhancing its NMMS to natively produce CIM16 model files, reducing legacy code dependence. Stay informed about the transition to CIM16 standards in network modeling." (290 characters)
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Presentation Transcript
Modeling Upgrade to CIM16: Application and Data Products Joel Koepke
Overview Upgrading from CIM10 to CIM16 ERCOT produces Network Models following CIM standards and in an XML format Since 2010, the Network Model Management System (NMMS) has produced models using the CIM10 schema (with customizations) In 2021, a process was developed to translate CIM10 models into CIM16 allowing for downstream systems to upgrade their importers ERCOT has begun a project to enhance NMMS to natively produce CIM16 model files Reduces the need for ERCOT-specific legacy code in vendor applications Officially started execution in August 2024 Project completion is scheduled for Q1/Q2 2027 ERCOT will no longer produce CIM10 models after project completion PUBLIC
CIM-Related Inputs/Outputs of NMMS Full Models Redacted MIS CIM-XML Update via UI CIM-XML TSP ERCOTs Modeling Application (NMMS) Non-Redacted Citrix Postings Folder Import Incremental Changes via API Incremental Change Requests 3 PUBLIC
Who/What is Affected? Any processes utilizing files directly created from NMMS will need to prepare for an updated schema Files include: MIS Secure: Redacted CIM Network Model - EMIL ID: NP3-450-SG MIS Certified: TSP Version of the CIM Network Model XMLs (via Citrix) Incremental CIM Change Requests XMLs (via Citrix/NMMS) 4 PUBLIC
ERCOT CIM16 Project Test Models ERCOT will prioritize the delivery of CIM16 test models in the early stages of the project New ERCOT will host an initial workshop Q3/Q4 of 2025. Schema and redacted model will be provided prior to meeting Dates to be communicated via TWG and Market Notices A recurring cadence will be developed for providing these test files Initially new models will be delivered ~quarterly Cadence will increase as CIM16 go-live approaches TSP testing of CIM16 NMMS tentatively scheduled for Q4 2026 5 PUBLIC
