Greenfield (BROWNSVILLE - TAP154774)
GreenfieldMadison County, New York · SERC
At a glance
Greenfield (BROWNSVILLE - TAP154774) is a greenfield datacenter candidate site in Madison County, New York, scoring 60.7/100 DC Readiness — 3rd of 31 scored sites in the county. Its nearest substation is BROWNSVILLE. It sits in the SERC grid region, where interconnection has averaged 3.9 years from request to operation. GridCensus catalogs 1,000 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: Sales tax exemption on DC equipment for $250M+ investments; no state income tax on wages.
Site location
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How does Greenfield (BROWNSVILLE - TAP154774) compare with other sites in Madison County?
Greenfield (BROWNSVILLE - TAP154774) ranks 3rd of 31 scored candidate sites in Madison County. Its 60.7/100 is roughly in line with the county average of 59.1. It is about 12% above the New York average of 54.0 and about 14% above the national average of 53.2.
Against the New York average, its strongest sub-score is power availability (72 vs 38) and its weakest is natural hazard (47 vs 64). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (BROWNSVILLE - TAP154774) to power, fiber and other datacenters?
The nearest mapped substation, BROWNSVILLE, is the closest grid connection point on record and operates at 500 kV. For connectivity, the nearest internet exchange facility is DataBank Memphis (MEM1) at 54.9 miles. 6 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is DataBank Memphis (MEM1), 54.9 miles away.
What are the flood, water and hazard risks at Greenfield (BROWNSVILLE - TAP154774)?
The site is in FEMA flood zone AE, a Special Flood Hazard Area — land with at least a 1% annual chance of flooding. At the county level, FEMA's National Risk Index rates Madison 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 Madison County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| JACKSON | Substation-Adjacent | 500 kV | 1,000 MW | 3.9 yrs | 68.0 |
| OZ Madison | Greenfield | — | — | 3.9 yrs | 61.1 |
| SOUTH JACKSON | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 60.1 |
| ALUMAX | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 60.1 |
| MADISON WEST | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 60.1 |
| UNKNOWN120825 | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 60.1 |
| TAP154795 | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 60.1 |
| UNKNOWN170490 | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 60.1 |
Greenfield (BROWNSVILLE - TAP154774): common questions
What is the DC Readiness score of Greenfield (BROWNSVILLE - TAP154774)?
Greenfield (BROWNSVILLE - TAP154774) scores 60.7/100 on the GridCensus DC Readiness scale, rated good. It ranks 3rd of 31 scored sites in Madison County. The Madison County average is 59.1 and the New York average is 54.0.
What is the nearest substation to Greenfield (BROWNSVILLE - TAP154774)?
The nearest mapped substation is BROWNSVILLE, at 500 kV. GridCensus catalogs 1,000 MW of candidate capacity for the site.
What grid region is Greenfield (BROWNSVILLE - TAP154774) in?
Greenfield (BROWNSVILLE - TAP154774) is in the SERC region. Projects interconnecting there have averaged a 3.9-year wait from queue request to operation.
Is Greenfield (BROWNSVILLE - TAP154774) in a flood zone?
The site is in FEMA flood zone AE, a Special Flood Hazard Area — land with at least a 1% annual chance of flooding.
How far is Greenfield (BROWNSVILLE - TAP154774) from an internet exchange?
The nearest internet exchange facility is DataBank Memphis (MEM1), about 54.9 miles away; 6 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, “Greenfield (BROWNSVILLE - TAP154774), Madison County, NY”, https://gridcensus.com/datacenter-sites/new-york/madison-county/greenfield-brownsville-tap154774-01d9e36b (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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