Datacenter Sites in Suffolk County, New York
Suffolk County has 101 scored datacenter candidate sites averaging 56.4/100 DC Readiness, with a catalogued aggregate of 2,351 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.
At a glance
Suffolk County, New York has 101 scored datacenter candidate sites averaging 56.4/100 DC Readiness, roughly in line with the New York average of 54.0. It ranks 5th of 61 New York counties by number of sites and 9th by average score. The top-scoring site is OZ Suffolk · ab3d7f66 at 62.9/100.
Site-selection context for Suffolk County
Incentive detail: Excelsior Jobs Program tax credits; IDA property tax abatements (PILOT); Empire State Digital Gaming.
How does Suffolk County compare with other counties in New York?
By number of scored sites, Suffolk County ranks 5th of the 61 New York counties with a county page, holding 3.4% of the state's 2,980 sites. Its average DC Readiness of 56.4/100 ranks 9th in the state and is roughly in line with the national average of 53.0. Nationally it has the 319th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 71 score 55 or higher.
What types of datacenter sites are in Suffolk County?
Substation-Adjacent sites are the most common (35, 35% of the county's inventory), followed by greenfield (25) and industrial (17). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.
What are power cost, hazard, water and fiber conditions in Suffolk County?
FEMA's National Risk Index rates the county "Relatively High" (35). WRI water stress is low. 13 fiber providers report service in the county. The climate runs 700 cooling degree days a year with a mean temperature of 46°F. Land is valued around $18,696 an acre.
By site type
Top datacenter sites in Suffolk County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| OZ Suffolk | Greenfield | — | — | 4.3 yrs | 62.9 |
| RONKONKOMA | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 62.2 |
| UNKNOWN129500 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 62.1 |
| BROOKHAVEN | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 61.8 |
| OZ Suffolk | Greenfield | — | — | 4.3 yrs | 61.8 |
| UNKNOWN129497 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 61.4 |
| TAP141009 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 61.3 |
| EC Near Port Jefferson | Greenfield | — | — | 4.3 yrs | 61.1 |
| NORTH SHORE BEACH | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 60.6 |
| UNKNOWN141047 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 60.4 |
| WILDWOOD | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 60.4 |
| WADING RIVER GAS TURBINES | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 60.3 |
| EC Near Port Jefferson | Greenfield | — | — | 4.3 yrs | 60.3 |
| UNKNOWN129197 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 60.0 |
| YAPHANK | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 59.8 |
| YAPHANK | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 59.6 |
| HOLTSVILLE | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 59.5 |
| UNKNOWN141043 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 59.4 |
| UNKNOWN141044 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 59.3 |
| TERRYVILLE | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 59.3 |
| CENTEREACH | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 59.3 |
| MORICHES | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 59.2 |
| UNKNOWN135467 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 59.2 |
| MOUNT SINAI | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 59.2 |
| TAP141007 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 59.0 |
Every scored site in Suffolk County
All 101 sites, best first.
- OZ Suffolk · ab3d7f66 · 62.9
- RONKONKOMA · 62.2
- Substation-Adjacent site · aa7f7f48 · 62.1
- OZ Suffolk · 0f74f780 · 61.8
- BROOKHAVEN · 61.8
- Substation-Adjacent site · ef1fd772 · 61.4
- Substation-Adjacent site · 9e47002f · 61.3
- EC Near Port Jefferson · a27ccc82 · 61.1
- NORTH SHORE BEACH · 60.6
- WILDWOOD · 60.4
- Substation-Adjacent site · c2f3db73 · 60.4
- WADING RIVER GAS TURBINES · 60.3
- EC Near Port Jefferson · 6f633bf8 · 60.3
- Substation-Adjacent site · 08946249 · 60.0
- YAPHANK · 6a97fd1b · 59.8
- YAPHANK · 9de89907 · 59.6
- HOLTSVILLE · 59.5
- Substation-Adjacent site · 2ac96181 · 59.4
- TERRYVILLE · 59.3
- CENTEREACH · 59.3
- Substation-Adjacent site · d651a3de · 59.3
- MOUNT SINAI · 59.2
- Substation-Adjacent site · 53edfcfa · 59.2
- MORICHES · 59.2
- Substation-Adjacent site · 55c4bbda · 59.0
- NORTH BELLPORT · 58.9
- WEST BARLETT · 58.9
- RIDGE · 58.4
- Substation-Adjacent site · a30262ad · 58.0
- EASTPORT · 57.9
- Substation-Adjacent site · ff16b0ab · 57.9
- EC Near Port Jefferson · 8a9ed313 · 57.8
- SUFFOLKAIRE · 57.6
- Mine Site · 5eb7fe07 · 57.2
- Substation-Adjacent site · b062603c · 57.2
- Former Central Islip Psychiatric Center · 57.1
- Hubbard Power and Light · 57.0
- Mine Site · e736b3d3 · 57.0
- Mine Site · 3e6f5a1d · 57.0
- BRIDGEHAMPTON · 56.9
- DEER PARK VOR · 1aec3b0f · 56.8
- Substation-Adjacent site · 24d6fcfa · 56.8
- CANAL · 56.7
- SOUTHAMPTON · 56.7
- TIANA · 56.7
- Substation-Adjacent site · cd64e77a · 56.6
- Northport VA Medical Center · 17bbbab1 · 56.4
- Long Island National Cemetery · 731bf987 · 56.3
- Mine Site · 4ebd4453 · 56.2
- Lawrence Junkyard · 56.2
- William Kubach · 56.2
- OZ Suffolk · 39c9c21d · 56.2
- Long Island National Cemetery · 2ea8318b · 56.1
- 1617 Straight Path · 56.0
- 37 Commonwealth Drive · 56.0
- 8 Andrews Avenue · 56.0
- 5 North 15th Street · 56.0
- 7 North 15th Street · 56.0
- Mine Site · 8a771018 · 55.9
- Rotundo · 55.9
- Municipal Parking Lot · 55.9
- In and Out Food Mart · 55.9
- Accabonac Solar Farm · 55.8
- MediGen of New York · 55.7
- Mine Site · 8d5b0d11 · 55.6
- Mine Site · a63c78bb · 55.6
- NEW YORK ARTCC · c173cae8 · 55.5
- Blue Point Laundry · 55.5
- Mine Site · cd1c52b9 · 55.3
- Former Bellport Gas Station · 55.1
- Mine Site · 31a82c15 · 55.1
- Brookhaven National Laboratory · 5d2ab43c · 54.9
- PIADC · a830e4e0 · 54.8
- Calverton National Cemetery · e2b95596 · 54.6
- Calverton National Cemetery · 578a0f2e · 54.6
- Greenfield (TAP141009 - SHOREHAM POWER STA) · 54.6
- OZ Suffolk · a90bc048 · 54.6
- EC Near Port Jefferson · 85d05d1e · 54.0
- PIADC · 8081d54c · 54.0
- Mine Site · 644f2a5d · 53.9
- Mine Site · 931aefca · 53.7
- EC Near Port Jefferson · 58a77fe3 · 53.5
- EC Near Port Jefferson · 32d4a6f8 · 53.5
- EC Near Port Jefferson · 9c4dec42 · 53.3
- Gabreski Airport · 53.2
- EC Near Montauk · 887e277b · 53.0
- RIVERHEAD ARSR · ff94a9c1 · 53.0
- EC Near Port Jefferson · 0bdb8702 · 52.9
- Mine Site · 8b464c1e · 52.8
- EC Near Montauk · 1012f81d · 52.7
- EC Near Montauk · 306b52b6 · 52.6
- EC Near Montauk · abadfdb9 · 52.6
- Former Shinnecock Dump · 52.5
- EC Near Montauk · ea1aa571 · 52.1
- EC Near Montauk · eb15571f · 51.7
- EC Near Montauk · 66d73f7d · 51.6
- EC Near Montauk · 0bd96be0 · 51.5
- EC Near Montauk · d557627e · 51.4
- EC Near Montauk · f361cd34 · 51.4
- EC Near Montauk · 8b95e31e · 50.7
- EC Near Montauk · ecc1ba87 · 50.3
Suffolk County datacenter FAQ
How many datacenter sites are in Suffolk County?
101 scored datacenter candidate sites, averaging 56.4/100 DC Readiness. That is the 5th-most of 61 New York counties with five or more sites.
What is the highest-scoring datacenter site in Suffolk County?
OZ Suffolk · ab3d7f66 scores 62.9/100 DC Readiness, the highest of the 101 scored sites in Suffolk County (a greenfield site).
Does Suffolk County offer datacenter tax incentives?
Excelsior Jobs Program tax credits; IDA property tax abatements (PILOT); Empire State Digital Gaming.
What is the natural-hazard risk in Suffolk County?
FEMA's National Risk Index rates Suffolk County as "Relatively High" (score 35).
More in New York
- All datacenter sites in New York· 2,980 sites
- Operating datacenters in New York
- Electric substations in New York
- Niagara County· 237 sites · avg 53.5
- Erie County· 192 sites · avg 56.2
- Monroe County· 176 sites · avg 55.8
- Nassau County· 130 sites · avg 57.5
- St. Lawrence County· 94 sites · avg 53.5
- Onondaga County· 85 sites · avg 57.7
- Substation-Adjacent sites in New York
- Greenfield sites in New York
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published November 13, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Datacenter candidate sites in Suffolk County, New York”, https://gridcensus.com/datacenter-sites/new-york/suffolk-county (data as of November 13, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for Suffolk County, New York is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.