NYISO Tariffs --> Open Access Transmission Tariff (OATT) --> 40 Attachment HH - Standard Interconnection Procedures --> 40.25 OATT Att HH Appendices to Attachment HH --> 40.25.1 OATT Att HH Appendix 1 Interconnection Request

40.25.1  APPENDIX 1 TO ATTACHMENT HH

INTERCONNECTION REQUEST

1.      The undersigned Interconnection Customer submits this request to interconnect its Facility with the New York State Transmission System or Distribution System pursuant to the Standard Interconnection Procedures in the ISO OATT.

 

2.      This Interconnection Request is for [insert project name]: ____________________________                                                                                                                                                                                                                                , which is (check one of the following):

____ A proposed new Generating Facility

____ A proposed Co-located Storage Resource

            ____ A proposed Hybrid Storage Resource          

            ____ A proposed multi-unit Generating Facility not seeking to participate as a Co-located Storage Resource or Hybrid Storage Resource

____ A proposed new BTM:NG Resource

____ A proposed new Cluster Study Transmission Project

____ A material modification to a proposed or existing facility (e.g., an increase in the capacity of an existing facility beyond the permissible de minimis increases permitted under Section 40.2.3 of Attachment HH to the ISO OATT)

     If capacity addition to an existing facility, please describe:                                                                                                                                                                                                          

3.      Is this Project mutually exclusive with another project proposed by the Interconnection Customer or its Affiliate in the current or ongoing Small Generator Facilities Study, Class Year Study, or Cluster Study (i.e., is the Project an alternative to another Project in the current Application Window or with a Project in an ongoing Cluster Study)?

      ____Yes                     ____No

       Indicate the Queue Position ____________________________

If yes, is the Interconnection Customer submitting the Project as a Contingent Project in accordance with Section 40.5.4.1? ____Yes                     ____No  If yes, the Interconnection Customer’s Project data will be imported from the existing Project’s validated Interconnection Request. 

4.      Does this Project have ongoing Optional Feasibility Study, System Impact Study, or System Reliability Impact Study?

            ____Yes                     ____No

   Indicate the Queue Position ____________________________

5.4.TWill the Generating Facility will be used for any of the following (if so, the interconnection may not be subject to the NYISO’s Standard Interconnection Procedures; see the NYISO’s Transmission Expansion and Interconnection Manual No. 23, Attachment A.)?

Net Metering? Yes ___ No___

To supply power other than to others exclusively through sales other than wholesale sales over the New York State (i.e., the Project does not intend to participate in any NYISO-administered market)?

Yes ___ No___

To participate in the wholesale market exclusively through a DER Aggregation?

Yes ___ No___

To exclusively sSupply pPower to a Host Load? Yes ___ No___

6.5.Legal Name of the Interconnection Customer (or, if an individual, individual’s name) (must be a single individual or entity):

 

Name of Interconnection Customer :                                                             

Contact Person:                                                                            

Title:                                                                                                   

Address:                                                                              

Email:                                                                                          

 

Telephone:                                                                                  

 

7.6.Address and coordinates of the proposed new Facility site (to the extent known) or, in the case of an existing Facility, the name and specific location of that existing facility:                           

 

                                                                      

 

                                                                      

 

                                                                                       

 

8.7.Requested Point of Interconnection and coordinates of the proposed Point(s) of Interconnection:

 

POI (name of the substation name (specify PSSE bus number) or transmission/distribution line name and number (specify from/to PSSE bus number and circuit number)):                                                                                                                                                                                                                                                                                                                         

Coordinates of the POI (i.e., Latitude and Longitude) :                                

Distances from the POI to the remote substations:                 

 

Nearby streets, roads, intersections: ___________________________________________

 

9.8.MW nameplate rating: ________ at _______ degrees F (if temperature sensitive) Requested Interconnection Service:

MW of requested ERIS at the POI (maximum summer or winter net MW, whichever is greater): ________

(NOTE:  An Interconnection Customer may request ERIS below the Generating Facility capacity Capability Generating Facilities and the full facility capacity for Cluster Study Transmission Projects subject to the requirements and limitations set forth in Sections 40.5.6.2 and 40.5.6.3 of Attachment HH to the ISO OATT).

 

Maximum summer net (net MW at the POI) which can be achieved at 90 degrees F:                             

 

Maximum winter net (net MW at the POI) which can be achieved at 10 degrees F :                              

 

 

MW of requested CRIS at the POI: ________

 

 

 

                                                            

 

10.9.If a Cluster Study Transmission Project, which of the following forms of CRIS does the Interconnection Customer intend to request:

 

 ____ Unforced Capacity Deliverability Rights

 ____ External-to-Rest of State Deliverability Rights

 

11.10.General description of the proposed Project, including at a minimum the following:

                                                                                 

 

                                                                                  

 

                                                                                  

                                                                                            

         One set of metering is required for each generation connection) to the new ring bus or existing Connecting Transmission Owner station.  Number of generation connections: _______________________________________________________________________             

________________________________________________________________ 

 

         On the one-line diagram indicate the following:

 

o        the generation capacity attached at each metering location.  (Maximum load on CT/PT)

________________________________________________________________              

o       On the one-line diagram indicate the location, type and size of auxiliary power.  (Minimum load on CT/PT) Amps

________________________________________________________________ 

 

         Will an alternate source of auxiliary power be available during CT/PT maintenance?

______ Yes _______ No

 

         Will a transfer bus on the generation side of the metering require that each meter set be designed for the total plant generation? 

______ Yes _______ No

 

         Will a transfer bus on the generation side of the metering require that each meter set be designed for the total plant generation? 

______ Yes _______ No

 

(If yes, indicate on one-line diagram).

         What type of control system or PLC will be located at the Interconnection Customer Attachment Facilities?

________________________________________________________________ 

         What protocol does the control system or PLC use?

________________________________________________________________ 

         Provide the POI site plan layout, depicting the Facility, POI station, transmission line, and property line.

 

________________________________________________________________ 

         Physical dimensions of the proposed interconnection POI station.

________________________________________________________________ 

         Bus Total length of collector system (e.g., summation of length of all collector feeders) from generation to interconnection station.

________________________________________________________________ 

         Line length from interconnection Project station to POI station Connecting Transmission Owner’s transmission line(e.g., length of generation tie-line).

________________________________________________________________

         Type (overhead and/or underground) of line(s) from the proposed Facility to Point(s) of Interconnection (if a portion of the line is overhead and another portion is underground, specify the respective demarcations on the one-line diagram.

________________________________________________________________ 

         Number of line(s) from the proposed Facility to Point(s) of Interconnection.

________________________________________________________________ 

         Number of conductors per phase of line(s) from the proposed Facility to Point(s) of Interconnection.

________________________________________________________________ 

         Tower number observed in the field, if known. (Painted on tower leg):

________________________________________________________________ 

         Number of third-party easements required for transmission lines, if known:

________________________________________________________________ 

 

12.11.Attach a conceptual breaker one-line diagram of the plant and station facilities.  For Interconnection Customer’s staged and/or associated projects that share Attachment Facilities or are interconnecting at the same Point of Interconnection, please indicate connection to the Interconnection Customer’s futureproposed, planned, or existing generation, transmission circuits, etc.

 

The conceptual breaker one-line diagram is a representation of electrical components that are connecting into the NYSTS or Distribution System as applicable. This conceptual breaker one-line diagram should include, at a minimum:

Acronyms used in the conceptual breaker one-line diagram should follow ANSI Standard Device Numbers & Common Acronyms.

13.12.A workable Project power flow, short circuit, transient stability modeling data and supporting documentation (as set forth in Attachment A) must be provided with this Interconnection Request form.

14.13.Proposed Initial Backfeed Date (Month/Year):                                                                                                          

Proposed Synchronization Date (Month/Year):                                                        

Proposed Commercial Operation Date (Month/Year):                                                                

15.14.$10,000 non-refundable Application Fee must be submitted with this Interconnection Request form in accordance with Section 40.5.5.1.3 of Attachment HH.

16.15.A Study Deposit must be submitted with this Interconnection Request form pursuant to Section 40.5.5.1.4 of Attachment HH.

17.16.Evidence of Site Control as specified in the Section 40.5.5.1.5 of Attachment HH (check one):

____ a.  Is attached to this Interconnection Request, provides full Site Control for the following number of acres:                              , and includes an attestation in the form set forth in ISO Procedures from an officer of the company: (i) indicating the amount of acreage covered by the provided Site Control materials and (ii) that such acreage is consistent with the acreage and other parameters for the Facility’s technology type set forth in ISO Procedures; or

 

____ b.  Is attached to this Interconnection Request and provides for Site Control for a new technology type not addressed in ISO Procedures or for less acreage than required for the Facility’s technology type as set forth in ISO Procedures.

 

If b. is selected, Interconnection Customer must submit the following with this Interconnection Request in accordance with the requirements in Section 40.5.5.1.5 of Attachment HH:

 

(1) an attestation in the form set forth in ISO Procedures from an officer of the company sufficiently describing and explaining the special circumstances of the project that permits a different acreage amount for Site Control than the requirements in the ISO Procedures; and

 

(2) a licensed Professional Engineer (electrical or civil) signed and stamped site plan that depicts that the Site Control provided by the Interconnection Customer can support the proposed arrangement of its Facility.

 

____ c.  Interconnection Customer is providing a Site Control Deposit due to Regulatory Limitation.

 

If c. is selected, Interconnection Customer must provide the following with this Interconnection Request in accordance with the requirements in Section 40.5.5.1.5.1 of Attachment HH:

 

(1) a signed affidavit from an officer of the company indicating that Site Control is unobtainable due to Regulatory Limitations as such term is defined in ISO Procedures;

 

(2) documentation sufficiently describing and explaining the source and effects of such Regulatory Limitations, including a description of any conditions that must be met to satisfy the Regulatory Limitations and the anticipated time by which Interconnection Customer expects to satisfy the regulatory requirements, and

 

(3) a Site Control Deposit of $10,000 per MW, subject to a minimum of $500,000 and a maximum of $2,000,000.

 

18.17.For an inverter-based resource that is greater than 20 MW, attach the form set forth in ISO Procedures concerning the attestations required by NYSRC Reliability Rule B.5_______

19.18.By submitting this Interconnection Request:

 

Interconnection Customer represents and warrants that the information and materials it provides with this Interconnection Request are accurate and complete as of the time of this submission.

 

Interconnection Customer acknowledges that it will be required to execute a Cluster Study Agreement with the NYISO, Connecting Transmission Owner, and any identified Affected Transmission Owner(s) or Affected System Owner(s) following the validation of this Interconnection Request.

 

Interconnection Customer acknowledges and agrees that it shall pay the study costs incurred under the requirements of the NYISO’s Standard Interconnection Procedures in Attachment HH to the NYISO OATT and ISO Procedures in connection with this Interconnection Request, including any study costs that are incurred prior to the full execution of the Cluster Study Agreement for this Interconnection Request.

 

[This Interconnection Request to be signed by an officer of the Interconnection Customer or a person authorized to sign for the Interconnection Customer]

 

I certify that I am authorized to sign this Interconnection Request form on Interconnection Customer’s behalf, and that the information provided herein is true and accurate to the best of my belief and knowledge after due investigation.

 

Signature:                                       

Name (type or print):                                

Title:                                           

Company:                                       

Date:                                           

 


DETAILED GENERATING FACILITY DATA
(Additional data may be required at subsequent stages of the Cluster Study Process)

 

  1. Describe the composition of assets (including MW level) within the Generating Facility, including load reduction assets (e.g., 50 MW wind facility, 20 MW Energy Storage Resource and a load reduction resource with a maximum of 1 MW of load reduction):             

___________________________________________________________________________

  1. Maximum Injection Capability of entire Generating Facility over 1 hour:  

___________________________________________________________________________

  1. If the facility includes a Resource with Energy Duration Limitations, indicate the maximum injection capability for the entire Generating Facility over the selected duration (e.g., 100 MW over 4 hours):              
  2. Provide the following information for each unit within the Generating Facility:

Resource/Fuel type:

___ Solar 

___ Wind 

___ Hydro  

       ___Hydro Type (e.g. Run-of-River):        ____________
___  Diesel 

___ Natural Gas 

 ___ Fuel Oil

___ Other (state type)    

Generator Nameplate Rating:  _______MW (Typical) 

MVA _________ at °F ___________ Voltage (kV)__________

Maximum Leading Reactive Power at Rated PowerNameplate MW Rating Leading (MVAR): ___

Minimum Maximum Lagging Reactive Power at Rated Power LaggingNameplate MW Rating (MVAR): ___

Customer-Site Load (new): _______________MW

Typical Reactive Load: ___________________________MVAR

If eExisting load,? Yes ___ No___

If existing load with metered load data, provide coincident Summer peak load (if not providing metered load data, : ________________________________________________________________________

If new load or existing load without metered load data, provide estimated coincident Summer peak load, together with supporting documentation for such estimated value): _______________________________________________________________________

Typical Reactive Load: ___________________________MVAR

Generator manufacturer, model name & number: ___________________________

Inverter manufacturer, model name, number, and version: ___________________________

 

Nameplate Output Power Rating (for IBRs, at the inverter terminal)

Nameplate Output Power Rating in MW: (Summer)           (Winter)              

Nameplate Output Power Rating in MVA: (Summer)                           (Winter)            

 

 

If solar, total number of solar panels in solar farm to be interconnected pursuant to this Interconnection Request:                 

Inverter manufacturer, model name, number, and version: ­­               

 

If wind, total number of generators in wind farm to be interconnected pursuant to this Interconnection Request:                 

Generator Height:        

Single phase       Three Phase         

Wind Model Type: ___Type 1 ___ Type 2 ___ Type 3 ___ Type 4

 

If an Energy Storage Resource or a Resource with Energy Duration Limitations:

Inverter manufacturer, model name, number, and version:                               

Energy storage capability (MWh):                                                

Minimum Duration for full discharge (i.e., injection) (Hours):               

Minimum Duration for full charge (i.e., withdrawal) (Hours):  ________________                

Maximum withdrawal from the system (i.e., when charging) (MW):   __________                

Maximum sustained hour injection in MW hours (calculated at the Minimum Duration for full discharge):               _________________                             

Primary frequency response operating range for electric storage resource:                   

Minimum State of Charge:             (%)

Maximum State of Charge:                   (%)

 

  1. Attach modeling data files and optionally, a modeling data summary:*

*PSSE files must be in .raw or .sav and .dyr format. ASPEN files must be in .olr format. To the extent modeling data is inconsistent with information in the validated Interconnection Request (including the one line diagram), the data in the Interconnection Request will be considered the data of record.

  1. For a non-synchronous Generating Facility, Interconnection Customer shall provide: (1) a validated user-defined root mean squared (RMS) positive sequence dynamics model; (2) an appropriately parameterized generic library RMS positive sequence dynamics model, including model block diagram of the inverter control and plant control systems, as set forth in the ISO Procedures or a model otherwise approved by the Western Electricity Coordinating Council, that corresponds to Interconnection Customer’s Generating Facility; and (3) upon requestif applicable, a validated electromagnetic transient model if the ISO performs an electromagnetic transient study as part of the interconnection study process.  A user-defined model is a set of programming code created by equipment manufacturers or developers that captures the latest features of controllers that are mainly software based and represents the entities’ control strategies but does not necessarily correspond to any generic library model.  Interconnection Customer must also demonstrate that the model is validated by providing evidence that the equipment behavior is consistent with the model behavior (e.g., an attestation from Interconnection Customer that the model accurately represents the entire Generating Facility; attestations from each equipment manufacturer that the user defined model accurately represents the component of the Generating Facility; or test data).

 


ADDITIONAL INFORMATION REQUESTED FOR CLUSTER STUDY TRANSMISSION PROJECTS

 

Description of proposed project:

  1. General description of the equipment configuration and kV level:

_______________________________________________________________

_______________________________________________________________

  1. Transmission technology and manufacturer (e.g., HVDC VSC):

 

_______________________________________________________________

_______________________________________________________________

 

ADDITIONAL INFORMATION REQUESTED FOR FACILITIES

SEEKING ERIS BELOW FULL OUTPUT

Describe any injection-limiting equipment if the facility is requesting ERIS below its full output:

______________________________________________________________________________

______________________________________________________________________________

 

 

Effective Date: 7/29/2026 - Docket #: ER26-2698-000 - Page 1