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
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)
___________________________________________________________________________
___________________________________________________________________________
Resource/Fuel type:
___ 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: (%)
*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.
ADDITIONAL INFORMATION REQUESTED FOR CLUSTER STUDY TRANSMISSION PROJECTS
Description of proposed project:
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
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