Interconnection request informational presentations
How and when to apply for interconnection and what to anticipate during the 10 week to 2½ year study process. Interconnection application - study options
Learn about available study processes, how to apply for interconnection, and requirements for a valid application. (interconnection request, site exclusivity documents/deposit, study deposit, technical data). Interconnection timeline and study process
Find out what to anticipate during the interconnection process, including an overview of timing, what to expect from joint meetings, requirements for posting financial security, and the impacts of a withdrawal on refunds.
Submit an interconnection request
Determine which available study process is appropriate for your interconnecting facility then submit an interconnection request to begin the study. Interconnection Requests may be submitted electronically, including the interconnection request document below, through the ISO Resource Interconnection Management System (RIMS)
Interconnection request and technical data formsTo submit a new interconnection request or update an existing interconnection request, use the Interconnection Request (Appendix 1) Microsoft Word template and the Generating Facility Data (Attachment A to Appendix 1) Microsoft Excel spreadsheet -- both documents are required. Sample completed templates for both document types are available for reference.
Process and requirements
The California ISO operates under the terms and conditions of its FERC-approved tariff. Business practice manuals (BPMs) provide detailed rules, procedures and examples for the administration, operation, planning and accounting requirements of the ISO and the market that are consistent with the ISO tariff. The resources below provide additional information about the ISO interconnection process and procedures.
Relevant tariff sectionsAll new interconnection requests (IRs) are subject to Tariff Appendix DD, the Generator Interconnection Deliverability Allocation Procedures (GIDAP). New interconnection requests are no longer accepted under Tariff Appendices S, U, W or Y.
Relevant business practice manuals
Forms and resources
Generation interconnection and deliverability allocation proceduresSummary information about the cluster study process.
Learn about the study process that can require from 10 weeks up to 2 1/2 years to complete.