Datacenter Sites in Ontario County, New York
Ontario County has 24 scored datacenter candidate sites averaging 54.9/100 DC Readiness, with a catalogued aggregate of 1,402 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.
At a glance
Ontario County, New York has 24 scored datacenter candidate sites averaging 54.9/100 DC Readiness, roughly in line with the New York average of 54.0. It ranks 43rd of 61 New York counties by number of sites and 18th by average score. The top-scoring site is PANNELL at 65.4/100.
Site-selection context for Ontario County
Incentive detail: Excelsior Jobs Program tax credits; IDA property tax abatements (PILOT); Empire State Digital Gaming.
How does Ontario County compare with other counties in New York?
By number of scored sites, Ontario County ranks 43rd 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 54.9/100 ranks 18th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1511th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 9 score 55 or higher.
What types of datacenter sites are in Ontario County?
Substation-Adjacent sites are the most common (8, 33% of the county's inventory), followed by former mine (6) and federal excess (4). 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 Ontario County?
Industrial electricity averages 6.98¢/kWh and commercial 9.53¢/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 $5,135 an acre.
By site type
Top datacenter sites in Ontario County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| PANNELL | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 65.4 |
| City of Canandaigua - Phase I | Brownfield | — | 2 MW | 4.3 yrs | 63.0 |
| TAP138437 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 60.1 |
| TAP138439 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.3 |
| UNKNOWN125159 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.0 |
| QUAKER #121 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.0 |
| FARMINGTON | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.0 |
| UNKNOWN125151 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 58.8 |
| TAP173329 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 58.4 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 53.2 |
| Canandaigua VA Medical Center | Federal Excess | — | — | 4.3 yrs | 52.7 |
| Greenfield (PANNELL - TAP161083) | Greenfield | 115 kV | 100 MW | 4.3 yrs | 52.6 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 52.5 |
| Lehigh Valley Railroad Roundhouse | Industrial | — | — | 4.3 yrs | 52.5 |
| 10 Chapin Street | Industrial | — | — | 4.3 yrs | 52.3 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 52.0 |
| Canandaigua VA Medical Center | Federal Excess | — | — | 4.3 yrs | 51.9 |
| PLANT GENETIC RESOURCES UNIT | Federal Excess | — | — | 4.3 yrs | 51.2 |
| J & S Conveyors | Industrial | — | — | 4.3 yrs | 51.2 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 51.2 |
| 305 Main Street Site | Industrial | — | — | 4.3 yrs | 51.1 |
| PLANT GENETIC RESOURCES UNIT | Federal Excess | — | — | 4.3 yrs | 51.0 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 50.6 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 50.4 |
Every scored site in Ontario County
All 24 sites, best first.
- PANNELL · 65.4
- City of Canandaigua - Phase I · 63.0
- Substation-Adjacent site · eaeb6e40 · 60.1
- Substation-Adjacent site · 44009cc4 · 59.3
- Substation-Adjacent site · 0022303e · 59.0
- QUAKER #121 · 59.0
- FARMINGTON · 59.0
- Substation-Adjacent site · 27e3ef4a · 58.8
- Substation-Adjacent site · b4077189 · 58.4
- Mine Site · ddef1f9d · 53.2
- Canandaigua VA Medical Center · 1867f58d · 52.7
- Greenfield (PANNELL - TAP161083) · 52.6
- Mine Site · 161ea460 · 52.5
- Lehigh Valley Railroad Roundhouse · 52.5
- 10 Chapin Street · 52.3
- Mine Site · b8de5930 · 52.0
- Canandaigua VA Medical Center · 7454fc69 · 51.9
- PLANT GENETIC RESOURCES UNIT · 379d5a55 · 51.2
- J & S Conveyors · 51.2
- Mine Site · 51293b9c · 51.2
- 305 Main Street Site · 51.1
- PLANT GENETIC RESOURCES UNIT · 0265e13e · 51.0
- Mine Site · 41c51454 · 50.6
- Mine Site · af94f8a7 · 50.4
Ontario County datacenter FAQ
How many datacenter sites are in Ontario County?
24 scored datacenter candidate sites, averaging 54.9/100 DC Readiness. That is the 43rd-most of 61 New York counties with five or more sites.
What is the highest-scoring datacenter site in Ontario County?
PANNELL scores 65.4/100 DC Readiness, the highest of the 24 scored sites in Ontario County (a substation-adjacent site).
Does Ontario 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 Ontario County?
FEMA's National Risk Index rates Ontario County as "Relatively High" (score 35).
What are industrial electricity rates in Ontario County?
Average industrial electricity is 6.98¢/kWh and commercial is 9.53¢/kWh in Ontario County.
More in New York
- All datacenter sites in New York· 2,980 sites
- Operating datacenters in New York
- Electric substations in New York
- Niagara County· 237 sites · avg 53.5
- Erie County· 192 sites · avg 56.2
- Monroe County· 176 sites · avg 55.8
- Nassau County· 130 sites · avg 57.5
- Suffolk County· 101 sites · avg 56.4
- St. Lawrence County· 94 sites · avg 53.5
- Substation-Adjacent sites in New York
- Former Mine sites 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 Ontario County, New York”, https://gridcensus.com/datacenter-sites/new-york/ontario-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 Ontario 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.