Interconnection study informational presentationsInterconnection timeline and study process
Learn 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.Studies, study results, and project cost responsibility
Understand the study reports, resource adequacy deliverability studies and options, impacts on affected (neighboring) systems, and the relationship between generation interconnection and the ISO transmission planning process.Suggested audience: Transmission-level interconnected facilities, distribution-level interconnected facilities, QF conversions, repowering facilities, and capacity increases
Generator interconnection queue and online resource information
Interconnection facility informationFind active, complete and withdrawn interconnection facilities and a summary of interconnection requests by study process starting with those received in 2015.
Process and requirements
The 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
Interconnection study forms
Interconnection study resources
Contracts must be signed, the resource must be modeled in the ISO market systems, and metering and telemetry equipment will need to be installed.