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Suffolk County, NY interconnection queue

21 interconnection applications are pending in Suffolk County, NY, requesting 2.5 GW of new generating capacity, as of 15 August 2026. 14 projects have been built here and 132 have been withdrawn since 1999.

Pending applications
21
of 167 ever filed
Capacity queued
2.5 GW
requested, not committed
Already built
236 MW
14 projects connected
Built vs decided
9.6%
132 withdrawn
Median wait
3.5 yr
for applications still pending
Connected capacity
4.4 GW
indicator, see note

Source: interconnection queues published by NYISO. Parsed and normalised by Watt Street. Data as of 15 August 2026. A queued project is a request, not a commitment.

What is waiting in Suffolk County, by fuel

FuelProjectsCapacity requested
Battery171.6 GW
Wind2924 MW
Solar136 MW
Other1

Outcomes of every application filed here

OutcomeProjectsCapacityShare
Built14236 MW8.4%
Still pending212.5 GW12.6%
Withdrawn13231.6 GW79.0%
Suspended00.0%

Withdrawal is the ordinary outcome of an interconnection application nationally, not a sign of a problem in this county. Most withdrawals are a developer testing a site and moving on.

The largest projects on file

ProjectFuelCapacityStatusFiledQueue
Atlantic Shores Offshore Wind Bight 3Wind2.1 GWwithdrawn2022-02NYISO
Vineyard Wind IIWind1.4 GWwithdrawn2020-04NYISO
NY Wind - Pilgrim UprateWind1.4 GWwithdrawn2022-11NYISO
NY Wind - Pilgrim CSRWind1.4 GWwithdrawn2023-01NYISO
Attentive Energy 1Wind1.3 GWwithdrawn2022-06NYISO
EI Fort SalongaWind1.3 GWwithdrawn2020-05NYISO
EI East ShorehamWind1.3 GWwithdrawn2020-05NYISO
NY Wind - PilgrimWind1.3 GWwithdrawn2020-07NYISO
Juno Power ExpressOther1.2 GWwithdrawn2017-11NYISO
Community OSW Ruland Road 1Wind1.1 GWwithdrawn2022-04NYISO
NY Wind Holbrook 2 UprateWind1.1 GWwithdrawn2020-07NYISO
Sunrise WindWind880 MWactive2018-09NYISO
NY Wind BrookhavenWind880 MWwithdrawn2018-09NYISO
El MelvilleWind816 MWwithdrawn2018-06NYISO
Long Island Offshore ACWind800 MWwithdrawn2018-03NYISO

Large-load connection requests in this county

Requests to connect large new demand — data centres, industry, electrification — as distinct from generation. 3 recorded here.

RequestCapacityStatusQueueStated end use
Brookhaven Data Center300 MWactiveNYISOnot stated
Brookhaven Logistics Center177 MWactiveNYISODAT
Brookhaven National Laboratory Electron Ion Collider Project120 MWactiveNYISOnot stated

494 of the 545 large-load requests we hold state no end use at all, so most cannot be attributed to any industry. Where this table says “not stated”, that is the filing’s own silence, not our omission.

How this county ranks

Suffolk County ranks #139 of 1,607 US counties by capacity currently queued, and #2 of 57 in New York.

Other New York counties in the queue

CountyPendingCapacity queued
Kings County72.7 GW
Genesee County51.2 GW
Franklin County6950 MW
Chautauqua County6881 MW
Dutchess County5854 MW
Montgomery County6790 MW
Steuben County5788 MW
Bronx County5760 MW

Go deeper on Suffolk County

The interactive map plots every one of these applications, and a generated county report puts them in a sourced PDF with the date each figure was true on every page.

Open Suffolk County on the map County reports All of New York