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  • Existing generators
    If you are a generating unit already connected to the ISO controlled grid or distribution grid, below are the requirements and processes to transact in ISO markets.
    • ISO controlled grid connected generating facility
      If you are connected to the CAISO controlled grid, please initiate the conversion process by sending an email to and, which must include the most recent one line diagram of the generating unit showing the interconnection to the ISO controlled grid. The ISO will review and confirm the interconnection to the ISO controlled grid. Following this determination, please submit the below listed information to Please review the BPM for Generator Management for the detailed process for conversion to ISO markets for existing generators. The link to the NRI webpage is also provided below.
    • Initiating the NRI process
      Consult the New Resource Implementation Guide and the New Resource Implementation Checklist to ensure a smooth transition from build to bid in the ISO markets. The NRI Checklist will describe how to create and complete your project and the deliverables required based on your project type. The Quick Start Guides provide step-by-step guidance describing how to create your project within NRI. Once your project is created, any inquiries can be sent to Please include the ISO Project code in the email subject line.
    • Submittal requirements - data for power system modeling and analysis - Transmission Planning Process (TPP) BPM
      Data templates, resource list, and documentation regarding base case development and data submittal requirements for participating generator owners in accordance with ISO’s transmission planning process BPM