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Datacenter Sites in Onondaga County, New York

Onondaga County has 85 scored datacenter candidate sites averaging 57.7/100 DC Readiness, with a catalogued aggregate of 6,407 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.

At a glance

Onondaga County, New York has 85 scored datacenter candidate sites averaging 57.7/100 DC Readiness, roughly in line with the New York average of 54.0. It ranks 7th of 61 New York counties by number of sites and 5th by average score. The top-scoring site is LAFAYETTE at 66.6/100.

85
Candidate sites
57.7/100
Avg DC Readiness
6,407 MW
Catalogued capacity
theoretical aggregate
Relatively High
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in Onondaga County

Site-selection context for Onondaga County

Yessales_tax_exemption
Datacenter tax incentive
8.02¢/kWh
Commercial electricity
4.89¢/kWh
Industrial electricity
9
Fiber providers
Low
Water stress
$3,467
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 Onondaga County compare with other counties in New York?

By number of scored sites, Onondaga County ranks 7th of the 61 New York counties with a county page, holding 2.9% of the state's 2,980 sites. Its average DC Readiness of 57.7/100 ranks 5th in the state and is roughly in line with the national average of 53.0. Nationally it has the 398th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 61 score 55 or higher.

What types of datacenter sites are in Onondaga County?

Substation-Adjacent sites are the most common (38, 45% of the county's inventory), followed by industrial (26) and greenfield (7). 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 Onondaga County?

Industrial electricity averages 4.89¢/kWh and commercial 8.02¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (35). WRI water stress is low. 9 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 $3,467 an acre.

By site type

Top datacenter sites in Onondaga County

Top datacenter sites in Onondaga County
SiteTypeVoltageCapacityQueue waitScore
LAFAYETTESubstation-Adjacent345 kV600 MW4.3 yrs66.6
Manlius Landfill SolarBrownfield—6 MW4.3 yrs66.4
DEWITTSubstation-Adjacent345 kV600 MW4.3 yrs65.9
UNKNOWN125434Substation-Adjacent345 kV600 MW4.3 yrs65.7
Honeywell Water Treatment PlantBrownfield—2 MW4.3 yrs65.5
CLAYSubstation-Adjacent345 kV600 MW4.3 yrs65.3
EC Coal Onondaga CountyGreenfield——4.3 yrs61.9
EC Coal Onondaga CountyGreenfield——4.3 yrs61.8
OZ OnondagaGreenfield——4.3 yrs61.3
TEMPLE STATION 243Substation-Adjacent115 kV100 MW4.3 yrs61.0
ASH STREET STATION 223Substation-Adjacent115 kV100 MW4.3 yrs60.9
UNKNOWN125446Substation-Adjacent115 kV100 MW4.3 yrs60.9
UNKNOWN124959Substation-Adjacent115 kV100 MW4.3 yrs60.8
ROCK CUTSubstation-Adjacent115 kV100 MW4.3 yrs60.7
UNKNOWN125442Substation-Adjacent115 kV100 MW4.3 yrs60.6
PEBBLE HILLSubstation-Adjacent115 kV100 MW4.3 yrs60.5
EC Coal Onondaga CountyGreenfield——4.3 yrs60.5
SOUTHWOODSubstation-Adjacent115 kV100 MW4.3 yrs60.5
UNKNOWN125448Substation-Adjacent115 kV100 MW4.3 yrs59.9
UNKNOWN125445Substation-Adjacent115 kV100 MW4.3 yrs59.9
TAP145298Substation-Adjacent115 kV100 MW4.3 yrs59.9
TAP161180Substation-Adjacent115 kV100 MW4.3 yrs59.9
UNKNOWN124958Substation-Adjacent115 kV100 MW4.3 yrs59.8
G ESubstation-Adjacent115 kV100 MW4.3 yrs59.8
TAP140437Substation-Adjacent115 kV100 MW4.3 yrs59.8

Every scored site in Onondaga County

All 85 sites, best first.

Onondaga County datacenter FAQ

How many datacenter sites are in Onondaga County?

85 scored datacenter candidate sites, averaging 57.7/100 DC Readiness. That is the 7th-most of 61 New York counties with five or more sites.

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

LAFAYETTE scores 66.6/100 DC Readiness, the highest of the 85 scored sites in Onondaga County (a substation-adjacent site).

Does Onondaga 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 Onondaga County?

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

What are industrial electricity rates in Onondaga County?

Average industrial electricity is 4.89¢/kWh and commercial is 8.02¢/kWh in Onondaga 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 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “Datacenter candidate sites in Onondaga County, New York”, https://gridcensus.com/datacenter-sites/new-york/onondaga-county (data as of November 12, 2026).

Dataset updated . Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for Onondaga 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.