RAPID/Hydropower/New York/Transmission

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New York Hydropower Transmission & Interconnection(8-NY)

In New York, a hydropower developer should consult local zoning regulations during the transmission siting process. A developer may need a Certificate of Public Convenience and Necessity from the New York State Department of Environmental Conservation for certain interconnection and transmission projects. An Interconnection Agreement is issued by the New York State Public Service Commission.

More Information

Determine Which State and Federal Permits Apply

Use this overview flowchart and following steps to learn which federal and state permits apply to your projects.

Permitting at a Glance

Regulated Entity Definition: A “major utility transmission facility" is:
  • An electric transmission line of a design capacity of one hundred twenty-five (125) kilovolts; or more extending a distance of one (1) mile or more, or;
  • A electric transmission line of one hundred (100) kilovolts or more and less than one hundred twenty-five (125) kilovolts or more, extending a distance of ten (10) miles or more, including associated equipment.”
N.Y. Pub. Serv. Law §120 (2), Definitions
Transmission Interconnection Request Process (Interconnection Request): A hydropower developer must file an Interconnection Request with the New York Independent System Operator (NYISO) in order to connect a new generating facility, or merchant transmission facility to the New York State (NYS) Transmission System. A developer may also need to file an Interconnection Request with NYISO for material modifications to an existing large facility or modifications to an existing Interconnection Request. NYISO Transmission Expansion and Interconnection Manual.
Interconnection Request Regulatory Agency: New York Independent System Operator
Interconnection Request Threshold: "Depending on whether the facility is a large facility or a small generating facility will determine which NYISO Open Access Transmission Tariff (OATT) provisions apply and which NYISO Interconnection Request procedures the developer should adhere to. A generating facility of 20 MW or More or a Merchant Transmission Facility the developer must file a Large Facility Interconnection Request. A small generator project falls under NYISO’s Small Generator Interconnection Procedures (SGIP) if:
  • The small generator proposes to interconnect to either the NYS Transmission System, or FERC-jurisdictional distribution, and
  • At least some of the small generator project’s output may be available to the wholesale market."
NYISO Transmission Expansion and Interconnection Manual.

Contact Information

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