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Datacenter Sites in Tompkins County, New York

Tompkins County has 23 scored datacenter candidate sites averaging 51.1/100 DC Readiness, with a catalogued aggregate of 500 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.

At a glance

Tompkins County, New York has 23 scored datacenter candidate sites averaging 51.1/100 DC Readiness, roughly in line with the New York average of 54.0. It ranks 46th of 61 New York counties by number of sites and 52nd by average score. The top-scoring site is OZ Tompkins · 93069f7a at 55.6/100.

23
Candidate sites
51.1/100
Avg DC Readiness
500 MW
Catalogued capacity
theoretical aggregate
Relatively High
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 23 in Tompkins County

Site-selection context for Tompkins County

Yessales_tax_exemption
Datacenter tax incentive
9.41¢/kWh
Commercial electricity
6.69¢/kWh
Industrial electricity
10
Fiber providers
Low
Water stress
$3,994
Land price / acre
700
Cooling degree days
6,100
Heating degree days
46°F
Mean annual temp

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

How does Tompkins County compare with other counties in New York?

By number of scored sites, Tompkins County ranks 46th of the 61 New York counties with a county page, holding 0.8% of the state's 2,980 sites. Its average DC Readiness of 51.1/100 ranks 52nd in the state and is roughly in line with the national average of 53.0. Nationally it has the 1558th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 2 score 55 or higher.

What types of datacenter sites are in Tompkins County?

Former Mine sites are the most common (10, 43% of the county's inventory), followed by greenfield (7) and substation-adjacent (5). 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 Tompkins County?

Industrial electricity averages 6.69¢/kWh and commercial 9.41¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (35). WRI water stress is low. 10 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 $3,994 an acre.

By site type

Top datacenter sites in Tompkins County

Top datacenter sites in Tompkins County
SiteTypeVoltageCapacityQueue waitScore
OZ TompkinsGreenfield——4.3 yrs55.6
UNKNOWN124336Substation-Adjacent115 kV100 MW4.3 yrs55.2
UNKNOWN124828Substation-Adjacent115 kV100 MW4.3 yrs54.9
UNKNOWN124826Substation-Adjacent115 kV100 MW4.3 yrs54.9
UNKNOWN124827Substation-Adjacent115 kV100 MW4.3 yrs54.9
EC Coal Tompkins CountyGreenfield——4.3 yrs54.5
EC Coal Tompkins CountyGreenfield——4.3 yrs54.1
ETNASubstation-Adjacent115 kV100 MW4.3 yrs53.8
EC Coal Tompkins CountyGreenfield——4.3 yrs53.8
OZ TompkinsGreenfield——4.3 yrs53.5
EC Coal Tompkins CountyGreenfield——4.3 yrs51.2
EC Coal Tompkins CountyGreenfield——4.3 yrs49.8
Mine SiteFormer Mine——4.3 yrs49.2
Ithaca Falls OverlookIndustrial——4.3 yrs49.0
Mine SiteFormer Mine——4.3 yrs48.7
Mine SiteFormer Mine——4.3 yrs47.9
Mine SiteFormer Mine——4.3 yrs47.8
Mine SiteFormer Mine——4.3 yrs47.8
Mine SiteFormer Mine——4.3 yrs47.8
Mine SiteFormer Mine——4.3 yrs47.8
Mine SiteFormer Mine——4.3 yrs47.8
Mine SiteFormer Mine——4.3 yrs47.8
Mine SiteFormer Mine——4.3 yrs47.8

Every scored site in Tompkins County

All 23 sites, best first.

Tompkins County datacenter FAQ

How many datacenter sites are in Tompkins County?

23 scored datacenter candidate sites, averaging 51.1/100 DC Readiness. That is the 46th-most of 61 New York counties with five or more sites.

What is the highest-scoring datacenter site in Tompkins County?

OZ Tompkins · 93069f7a scores 55.6/100 DC Readiness, the highest of the 23 scored sites in Tompkins County (a greenfield site).

Does Tompkins 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 Tompkins County?

FEMA's National Risk Index rates Tompkins County as "Relatively High" (score 35).

What are industrial electricity rates in Tompkins County?

Average industrial electricity is 6.69¢/kWh and commercial is 9.41¢/kWh in Tompkins County.

More 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 Tompkins County, New York”, https://gridcensus.com/datacenter-sites/new-york/tompkins-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 Tompkins 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.

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