Greenfield (LOCKPORT - TAP155791)
GreenfieldNiagara County, Illinois · NYISO
At a glance
Greenfield (LOCKPORT - TAP155791) is a greenfield datacenter candidate site in Niagara County, Illinois, scoring 51.9/100 DC Readiness — 206th of 237 scored sites in the county. Its nearest substation is LOCKPORT. It sits in the NYISO grid region, where interconnection has averaged 4.8 years from request to operation. GridCensus catalogs 100 MW of candidate capacity here.
Power & interconnection
Speed to power
Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
New-DC state tax exemptions suspended for 2 years (from Jul 2026).
Incentive detail: Excelsior Jobs Program tax credits; IDA property tax abatements (PILOT); Empire State Digital Gaming.
Site location
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How does Greenfield (LOCKPORT - TAP155791) compare with other sites in Niagara County?
Greenfield (LOCKPORT - TAP155791) ranks 206th of 237 scored candidate sites in Niagara County. Its 51.9/100 is roughly in line with the county average of 53.5. It is roughly in line with the Illinois average of 54.3 and roughly in line with the national average of 53.2.
Against the Illinois average, its strongest sub-score is fiber connectivity (73 vs 71) and its weakest is power availability (28 vs 37). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (LOCKPORT - TAP155791) to power, fiber and other datacenters?
The nearest mapped substation, LOCKPORT, is the closest grid connection point on record and operates at 115 kV. For connectivity, the nearest internet exchange facility is H5 Data Centers Buffalo II at 10.4 miles. 5 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is H5 Data Centers Buffalo I, 10.5 miles away.
What are the flood, water and hazard risks at Greenfield (LOCKPORT - TAP155791)?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk). At the county level, FEMA's National Risk Index rates Niagara 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 Niagara County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| SOMERSET | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 63.7 |
| NIAGARA | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 63.6 |
| ROBINSON ROAD | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 63.6 |
| PACKARD | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 62.8 |
| TAP139815 | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 62.7 |
| OZ Niagara | Greenfield | — | — | 4.3 yrs | 61.2 |
| UNKNOWN125341 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.6 |
| UNKNOWN124205 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.5 |
Greenfield (LOCKPORT - TAP155791): common questions
What is the DC Readiness score of Greenfield (LOCKPORT - TAP155791)?
Greenfield (LOCKPORT - TAP155791) scores 51.9/100 on the GridCensus DC Readiness scale, rated fair. It ranks 206th of 237 scored sites in Niagara County. The Niagara County average is 53.5 and the Illinois average is 54.3.
What is the nearest substation to Greenfield (LOCKPORT - TAP155791)?
The nearest mapped substation is LOCKPORT, at 115 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
What grid region is Greenfield (LOCKPORT - TAP155791) in?
Greenfield (LOCKPORT - TAP155791) is in the NYISO region. Projects interconnecting there have averaged a 4.8-year wait from queue request to operation.
Is Greenfield (LOCKPORT - TAP155791) in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
How far is Greenfield (LOCKPORT - TAP155791) from an internet exchange?
The nearest internet exchange facility is H5 Data Centers Buffalo II, about 10.4 miles away; 5 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 (LOCKPORT - TAP155791), Niagara County, IL”, https://gridcensus.com/datacenter-sites/illinois/niagara-county/greenfield-lockport-tap155791-0d1c7a66 (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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