Battery storage development recordsFIPS 36103Not a lease-rate estimate
Battery storage development data in Suffolk County, New York
Public county project and grid context. This is not a lease-rate estimate, property listing, indication of parcel suitability, or evidence that an organization wants to lease a particular property.
Interconnection queue requests
Queue activity
Source: LBNL Queued Up interconnection queue dataset. Queue requests are proposals seeking interconnection; they are not planned or operating facility counts.
Active queue requests
18
Tracked requests currently marked active
Active requested capacity
1,651 MW
Storage capacity where the queue reports it. Many solar-plus-storage requests list only the solar size.
2019-2025 complete years
| Year | Tracked requests |
|---|---|
| 2019 | 20 |
| 2020 | 17 |
| 2021 | 18 |
| 2022 | 13 |
| 2023 | 11 |
| 2024 | 35 |
| 2025 | 0 |
Facility facts
Planned and operating facilities
Planned facilities
6
282 MW · EIA-860 final annual generator inventory
Operating facilities
2
10 MW · EIA-860 final annual generator inventory
Queue request status is not used as a substitute for facility construction or operating status.
Independent operating inventory
The U.S. Large-Scale Solar Photovoltaic Database lists no solar sites with batteries in Suffolk County as of its 2026-04-14 release.
This inventory is shown separately from EIA generators and LBNL queue requests to avoid double-counting records across datasets.
Retirement facts
Facility retirements
The EIA-860 final annual generator inventory lists no retired battery storage facilities in Suffolk County.
Public record attribution
Organizations named in queue requests
| Organization | Queue requests | Capacity | Latest request year |
|---|---|---|---|
| Caithness LI Energy Storage, LLC | 2 | 90 MW | 2020 |
| East Setauket Energy Storage, LLC | 2 | 373 MW | 2024 |
| ACE DEVCO NC, LLC | 1 | 100 MW | 2024 |
| Edwards Calverton Battery Storage | 1 | 60 MW | 2021 |
| Hanwha Q CELLS USA Corp. | 1 | 75 MW | 2024 |
| Holtsville Brookhaven Battery Storage LLC | 1 | 79.9 MW | 2021 |
| Holtsville Energy Storage, LLC | 1 | 110 MW | 2019 |
| KCE NY 21, LLC | 1 | 60 MW | 2024 |
| KCE NY 29, LLC | 1 | 79 MW | 2020 |
| KCE NY 30, LLC | 1 | 50 MW | 2024 |
| KCE NY 31, LLC | 1 | 50 MW | 2024 |
| KCE NY 37, LLC | 1 | 150 MW | 2024 |
A name in an interconnection queue request does not mean the organization is seeking land in this county or has an interest in a particular parcel.
Infrastructure context
Grid infrastructure context
Source: HIFLD electric power transmission lines.
Transmission in county
209 miles
Highest recorded voltage
138 kV
Nearest line to county center
2.4 km
County infrastructure does not establish available grid capacity. A specific project requires parcel-level engineering and an interconnection study.