ATTENTION: Interconnection Customers who do not have an Interconnection Customer Account Name with NYISO that are seeking to submit an Interconnection Request in the upcoming 2026 Cluster Study must first Request an Account. Individuals that require access to all interconnection projects associated with an Account should submit an Account-specific CEII Request Form.
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Interconnection Process
The NYISO’s Interconnection processes enable parties to pursue construction
and interconnection of new and materially modified generation,
transmission, and load facilities to the NYS Transmission System and
Distribution System.
A MyNYISO account is required to view
secure documents.
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Planning-Tariff-Attachment-References
The following tariff attachments may be referenced regarding Planning and can be viewed by accessing the Tariffs, FERC Filings & Orders .
- OATT 22 Attachment P – Transmission Interconnection Procedures
- OATT 40 Attachment HH – Standard Interconnection Procedures