National Grid Generation, LLC - East Hampton GT Facility, NY
New York State Department of Environmental Conservation
Notice of Complete Application
Dale: 11/26/2025Applicant: NATIONAL GRID GENERATION LLC 175 E OLD COUNTRY RD HICKSVILLE, NY 11801
Facility: EAST HAMPTON GT FACILITY, 3 Cove Hollow Rd!Sctm# 300-185-2-2 East Hampton, NY 11937
Application ID: 1-4724-00345/00004
Permits(s) Applied for: 1 - Article 19 Air Title V Facility
Project is located: in EAST HAMPTON in SUFFOLK COUNTY
Project Description:
The Department of Environmental Conservation (DEC) has prepared a draft permit and has made a tentative determination, subject to public comment or other information, to approve a Title V permit renewal for an existing facility with a minor modification.
East Hampton GT facility is in the town of East Hampton, Suffolk County. The facility consists of a single combustion turbine and three (3) large diesel-engine generators maintained on site to meet regional load demand and emergency power requirements.
The minor modification consists of water injection equipment installed to control oxides of nitrogen (NOx) emissions from the combustion turbine unit and meet the NOx limit during ozone season. There is no increase m em1ss1ons.
The facility is subject to NOx reasonable available control technology (RACT). The facility's potential to emit NOx and VOCs are in excess of the Title V major threshold, which is 25 tons per year for the New York City Metropolitan Area. Additionally, the facility is a major source of PM 2.5, PM 10, carbon monoxide and in excess of the Title V threshold of 100 tons per year.
Pursuant to the requirements of Section 7(2) of the Climate Leadership and Community Protection Act (CLCPA), DEC requested and received information regarding the project's consistency with CLCPA.
In accordance with 6NYCRR Parts 621.7(d)(9) and 201-6.3(c), the Administrator of the United States Environmental Protection Agency (USEPA) has the authority to bar issuance of any Title V Facility Permit if it is determined not to be in compliance with applicable requirements of the Clean Air Act or 6NYCRR Part 201.
Persons wishing to inspect the subject Title V files, including the application with all relevant supporting materials, the draft permit, and all other materials available to DEC (the "permitting authority") that are relevant to this permitting decision should contact the DEC representative listed below. The draft permit and Permit
Review Report may be viewed and printed from the DEC web site at: https://dec.ny.gov/environmental-protection/air-qual ity/contro11ing-pol Iution-from-facilities/permits-registrations-fees
DEC will evaluate the application and the comments received on it to determine whether to hold a public hearing. Comments and requests for a public hearing should be in writing and addressed to the DEC representative listed below. A copy of DEC's permit hearing procedures is available upon request or on the DEC web site at: https://dec.ny.gov/regulatory/permits-licenses/environmental-permits/guide-to-permit-hearings
Availability of Application Documents.ยท
Filed application documents, and Department draft permits where applicable, are available for inspection during normal business hours at the address of the contact person. To ensure timely service at the time of inspection, it is recommended that an appointment be made with the contact person.
State Environmental Quality Review (SEQR) Determination
Project is not subject to SEQR because it is a Type II action.
SEQR Lead Agency None Designated
State Historic Preservation Act (SHPA) Determination
The proposed activity is not subject to review in accordance with SHPA. The application type is exempt and/or the project involves the continuation of an existing operational activity.
DEC Commissioner Policy 29, Environmental Justice and Permitting (CP-29)
It has been determined that the proposed action is not subject to CP-29.
Availability For Public Comment Comments on this project must be submitted in writing to the Contact Person no later than OJ /16/2026
or 30 days after the publication date of this notice, whichever is later.
Contact Person
LAURAF STAR
NYSDEC
SUNY @ Stony Brookl50 Circle Rd
Stony Brook, NY 11790-3409
(631) 444-0366