Skip to content
Gridcensus

Greenfield (TAP141009 - SHOREHAM POWER STA)

Greenfield

Suffolk County, New York · ISO-NE

DC Readiness
54.6
Fair / 100

At a glance

Greenfield (TAP141009 - SHOREHAM POWER STA) is a greenfield datacenter candidate site in Suffolk County, New York, scoring 54.6/100 DC Readiness — 74th of 101 scored sites in the county. Its nearest substation is TAP141009. 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 100 MW of candidate capacity here.

Power & interconnection

Nearest substationTAP141009
Substation voltage138 kV
Available capacity100 MW
UtilityFISHERS ISLAND UTILITY CO INCinvestor owned

Speed to power

Interconnection outlookModerate
≈ 4.9 yrs typical interconnection wait

Middle-of-the-pack interconnection conditions for this grid.

ISO / RTO regionISO-NE
Queue depth6
Avg queue wait4.3 yrs
Recent queue wait4.9 yrs
Completion rate25%
Withdrawal rate75%

Connectivity

Nearest IXPCrown Castle Brentwood (1650 Islip)
IXP distance17.2 mi
Fiber providers13
Fiber coverage99.4%

Site characteristics

Site typeGreenfield

Risk & environment

Environmental constraintNone (0/100)
Water stress (WRI)Low
Wetlands (NWI)—
Critical habitat—
Superfund nearby—
Hazard sub-score65/100

Location context

Nearest datacenterCable & Wireless Cable Landing Station
DC distance8.5 mi
County hazard (FEMA NRI)Relatively High (35)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity14.99¢/kWh
Cooling degree days700
Heating degree days6,100
Land price / acre$18,696

Regulatory climate

Restrictivestate posture · as of 2026-08

First statewide moratorium (2026): 1-yr hold on certain permits for large DCs + impact study.

DC tax incentiveNo / suspended
Large-load threshold≥ 50 MW

Moratorium/permit hold targets large datacenters.

Incentive detail: Excelsior Jobs Program tax credits; IDA property tax abatements (PILOT); Empire State Digital Gaming.

Site location

◆ Loading map…
≥ 7560–7540–60≤ 40
This site + 8 nearby

Get alerts

Track Greenfield (TAP141009 - SHOREHAM POWER STA)

Get an email when its DC-readiness score, available capacity, or interconnection-queue status changes.

No spam. Just the alerts you asked for.

How does Greenfield (TAP141009 - SHOREHAM POWER STA) compare with other sites in Suffolk County?

Greenfield (TAP141009 - SHOREHAM POWER STA) ranks 74th of 101 scored candidate sites in Suffolk County. Its 54.6/100 is roughly in line with the county average of 56.4. It is roughly in line with the New York average of 54.0 and roughly in line with the national average of 53.2.

Against the New York average, its strongest sub-score is speed to power (48 vs 40) and its weakest is power availability (30 vs 38). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.

How close is Greenfield (TAP141009 - SHOREHAM POWER STA) to power, fiber and other datacenters?

The nearest mapped substation, TAP141009, is the closest grid connection point on record and operates at 138 kV. The nearest located transmission bottleneck is SHOREHAM 138 WILDWOOD 138 2 (NYISO), 6 miles away. For connectivity, the nearest internet exchange facility is Crown Castle Brentwood (1650 Islip) at 17.2 miles. 13 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Cable & Wireless Cable Landing Station, 8.5 miles away.

What are the flood, water and hazard risks at Greenfield (TAP141009 - SHOREHAM POWER STA)?

At the county level, FEMA's National Risk Index rates Suffolk County "Relatively High".

Full DC Readiness breakdown

All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.

Power availability20%
30
Speed to power20%
48
Fiber connectivity12%
84
Energy cost10%
50
Water risk7%
90
Natural hazard6%
65
Buildability7%
50
Labor market4%
50
DC cluster4%
80
Land / acreage3%
48
Construction cost3%
50
Gas pipeline2%
10
Tax incentive1%
100
Climate / cooling1%
90

Nearby comparable sites

Other scored datacenter candidate sites in Suffolk County, ranked by DC Readiness.

Sites near Greenfield (TAP141009 - SHOREHAM POWER STA)
SiteTypeVoltageCapacityQueue waitScore
OZ SuffolkGreenfield——4.3 yrs62.9
RONKONKOMASubstation-Adjacent138 kV100 MW4.3 yrs62.2
UNKNOWN129500Substation-Adjacent138 kV100 MW4.3 yrs62.1
OZ SuffolkGreenfield——4.3 yrs61.8
BROOKHAVENSubstation-Adjacent138 kV100 MW4.3 yrs61.8
UNKNOWN129497Substation-Adjacent138 kV100 MW4.3 yrs61.4
TAP141009Substation-Adjacent138 kV100 MW4.3 yrs61.3
EC Near Port JeffersonGreenfield——4.3 yrs61.1

Greenfield (TAP141009 - SHOREHAM POWER STA): common questions

What is the DC Readiness score of Greenfield (TAP141009 - SHOREHAM POWER STA)?

Greenfield (TAP141009 - SHOREHAM POWER STA) scores 54.6/100 on the GridCensus DC Readiness scale, rated fair. It ranks 74th of 101 scored sites in Suffolk County. The Suffolk County average is 56.4 and the New York average is 54.0.

What is the nearest substation to Greenfield (TAP141009 - SHOREHAM POWER STA)?

The nearest mapped substation is TAP141009, at 138 kV. GridCensus catalogs 100 MW of candidate capacity for the site.

Which electric utility serves Greenfield (TAP141009 - SHOREHAM POWER STA)?

FISHERS ISLAND UTILITY CO INC (investor owned) holds the retail service territory that contains the site.

What grid region is Greenfield (TAP141009 - SHOREHAM POWER STA) in?

Greenfield (TAP141009 - SHOREHAM POWER STA) is in the ISO-NE region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.

How far is Greenfield (TAP141009 - SHOREHAM POWER STA) from an internet exchange?

The nearest internet exchange facility is Crown Castle Brentwood (1650 Islip), about 17.2 miles away; 13 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 (TAP141009 - SHOREHAM POWER STA), Suffolk County, NY”, https://gridcensus.com/datacenter-sites/new-york/suffolk-county/greenfield-tap141009-shoreham-power-sta-61168df1 (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.

Go deeper than the public screen

Every site and score for Greenfield (TAP141009 - SHOREHAM POWER STA), Suffolk County 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.