DEER PARK
Substation-AdjacentNassau County, New York · ISO-NE
At a glance
DEER PARK is a substation-adjacent datacenter candidate site in Nassau County, New York, scoring 60.1/100 DC Readiness — 26th of 130 scored sites in the county. Its nearest substation is DEER PARK (0 mi, 69 kV). It sits in the ISO-NE grid region and the FISHERS ISLAND UTILITY CO INC service territory, where interconnection has averaged 4.3 years from request to operation. GridCensus catalogs 50 MW of candidate capacity here.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Risk & environment
Location context
Regulatory climate
First statewide moratorium (2026): 1-yr hold on certain permits for large DCs + impact study.
Moratorium/permit hold targets large datacenters.
Incentive detail: Excelsior Jobs Program tax credits; IDA property tax abatements (PILOT); Empire State Digital Gaming.
Site location
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How does DEER PARK compare with other sites in Nassau County?
DEER PARK ranks 26th of 130 scored candidate sites in Nassau County. Its 60.1/100 is roughly in line with the county average of 57.5. It is about 11% above the New York average of 54.0 and about 13% above the national average of 53.2.
Against the New York average, its strongest sub-score is fiber connectivity (96 vs 76) and its weakest is water (90 vs 90). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is DEER PARK to power, fiber and other datacenters?
The nearest mapped substation, DEER PARK, is about 0 miles away and operates at 69 kV. The nearest located transmission bottleneck is ELWOOD 138 GREENLWN 138 1 (NYISO), 8 miles away. For connectivity, the nearest internet exchange facility is 365 Data Centers Commack (CNY) at 4.4 miles. 12 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is 365 Data Centers Commack (CNY), 4.4 miles away.
What are the flood, water and hazard risks at DEER PARK?
At the county level, FEMA's National Risk Index rates Nassau County "Relatively High".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Nassau County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| DUFFY AVENUE CONVERTER STATION | Substation-Adjacent | 500 kV | 1,000 MW | 4.3 yrs | 70.2 |
| SHORE RD | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 68.8 |
| EAST GARDEN CITY | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 67.6 |
| NEWBRIDGE ROAD | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 67.3 |
| TAP141012 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 63.3 |
| ELWOOD | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 62.5 |
| TAP136403 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 62.4 |
| TAP136404 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 62.3 |
DEER PARK: common questions
What is the DC Readiness score of DEER PARK?
DEER PARK scores 60.1/100 on the GridCensus DC Readiness scale, rated good. It ranks 26th of 130 scored sites in Nassau County. The Nassau County average is 57.5 and the New York average is 54.0.
What is the nearest substation to DEER PARK?
The nearest mapped substation is DEER PARK, about 0 miles away, at 69 kV. GridCensus catalogs 50 MW of candidate capacity for the site.
Which electric utility serves DEER PARK?
FISHERS ISLAND UTILITY CO INC (investor owned) holds the retail service territory that contains the site.
What grid region is DEER PARK in?
DEER PARK is in the ISO-NE region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is DEER PARK from an internet exchange?
The nearest internet exchange facility is 365 Data Centers Commack (CNY), about 4.4 miles away; 12 fiber providers report service at the location.
Related pages
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 October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “DEER PARK, Nassau County, NY”, https://gridcensus.com/datacenter-sites/new-york/nassau-county/deer-park-d9e01faa (data as of October 10, 2026).
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
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