NYISO Datacenter Sites
New York Independent System Operator
At a glance
NYISO operates the New York State grid. Upstate hydro and nuclear power pair with downstate latency demand, while transmission congestion between zones shapes where new load can connect.
How does NYISO compare with other grid regions?
By site count NYISO is the 9th-largest of 9 regions GridCensus tracks, with 2,860 candidate sites. Its average DC Readiness of 53.9 is the 5th-highest of 9, above the 53.0 national average. The average interconnection-queue wait of 4.3 yrs is the 8th-shortest of 9. Sites here see an average queue depth of 93 projects at their nearest point of interconnection. Catalogued substation capacity near these sites sums to 130.7k MW, a theoretical aggregate rather than available headroom.
Which states and site types make up NYISO?
New York (2,827 sites, 99%), Vermont (16 sites, 0.6%) and New Jersey (10 sites, 0.3%) hold the largest shares of the region's candidate sites. By type, industrial sites make up 32% (917; 24% nationally), substation-adjacent sites make up 28% (791; 26% nationally) and former mine sites make up 21% (595; 18% nationally).
Member states
By site type
What are NYISO sites strongest and weakest on?
NYISO is strongest on water, averaging 89.7 against a national average of 72.3; its weakest factor is speed to power, at 39.1 versus 50.0 nationally. Each factor is scored 0–100, where higher is better (for water and hazard, higher means lower stress and lower risk).
Top 25 datacenter sites in NYISO
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| RAINEY | Substation-Adjacent | NY | New York County | 345 kV | 600 MW | 4.3 yrs | 72.2 |
| Charles Poletti | Brownfield | NY | New York | 138 kV | 883 MW | 4.3 yrs | 71.2 |
| DUFFY AVENUE CONVERTER STATION | Substation-Adjacent | NY | Nassau County | 500 kV | 1,000 MW | 4.3 yrs | 70.2 |
| Bowline Point | Brownfield | NY | Rockland County | — | 750 MW | 4.3 yrs | 69.5 |
| GOWANUS | Substation-Adjacent | NY | Kings County | 345 kV | 600 MW | 4.3 yrs | 69.3 |
| FARRAGUT | Substation-Adjacent | NY | New York County | 345 kV | 600 MW | 4.3 yrs | 69.3 |
| UNKNOWN132256 | Substation-Adjacent | NJ | Rockland County | 345 kV | 600 MW | 2.7 yrs | 68.9 |
| SHORE RD | Substation-Adjacent | NY | Nassau County | 345 kV | 600 MW | 4.3 yrs | 68.8 |
| EAST 13TH STREET | Substation-Adjacent | NY | New York County | 345 kV | 600 MW | 4.3 yrs | 68.4 |
| RAMAPO | Substation-Adjacent | NY | Rockland County | 500 kV | 1,000 MW | 4.3 yrs | 68.2 |
| EAST GARDEN CITY | Substation-Adjacent | NY | Nassau County | 345 kV | 600 MW | 4.3 yrs | 67.6 |
| WEST 49TH STREET | Substation-Adjacent | NY | New York County | 345 kV | 600 MW | 4.3 yrs | 67.6 |
| UNKNOWN129188 | Substation-Adjacent | NY | Westchester County | 345 kV | 600 MW | 4.3 yrs | 67.4 |
| PLEASENTVILLE | Substation-Adjacent | NY | Westchester County | 345 kV | 600 MW | 4.3 yrs | 67.4 |
| NEWBRIDGE ROAD | Substation-Adjacent | NY | Nassau County | 345 kV | 600 MW | 4.3 yrs | 67.3 |
| MILLWOOD | Substation-Adjacent | NY | Westchester County | 345 kV | 600 MW | 4.3 yrs | 67.2 |
| LEONARD STREET | Substation-Adjacent | NY | Hudson County | 345 kV | 600 MW | 4.3 yrs | 67.0 |
| SPRAIN BROOK | Substation-Adjacent | NY | Bronx County | 345 kV | 600 MW | 4.3 yrs | 66.9 |
| DUNWOODIE | Substation-Adjacent | NY | Bronx County | 345 kV | 600 MW | 4.3 yrs | 66.8 |
| MARCY | Substation-Adjacent | NY | Oneida County | 765 kV | 1,000 MW | 4.3 yrs | 66.7 |
| LAFAYETTE | Substation-Adjacent | NY | Onondaga County | 345 kV | 600 MW | 4.3 yrs | 66.6 |
| UNKNOWN129085 | Substation-Adjacent | NY | Putnam County | 345 kV | 600 MW | 4.3 yrs | 66.4 |
| UNKNOWN124337 | Substation-Adjacent | NY | Albany County | 345 kV | 600 MW | 4.3 yrs | 66.4 |
| DANSKAMMER | Substation-Adjacent | NY | Putnam County | 345 kV | 600 MW | 4.3 yrs | 66.4 |
| E. FISHKILL | Substation-Adjacent | NY | Putnam County | 345 kV | 600 MW | 4.3 yrs | 66.4 |
NYISO FAQ
What is NYISO?
New York Independent System Operator (NYISO) NYISO operates the New York State grid. Upstate hydro and nuclear power pair with downstate latency demand, while transmission congestion between zones shapes where new load can connect.
How many datacenter sites are in the NYISO region?
GridCensus catalogs 2,860 scored datacenter candidate sites in NYISO, averaging 53.9/100 DC Readiness — 2% of all sites scored nationally.
What is the average interconnection-queue wait in NYISO?
Candidate sites in NYISO average a 4.3 yrs queue wait with an average queue depth of 93 projects, the 8th-shortest of 9 regions.
Which state has the most NYISO datacenter sites?
New York has the most, with 2,827 scored sites (99% of the region), followed by Vermont with 16.
What is the highest-scoring datacenter site in NYISO?
RAINEY in New York County, New York scores 72.2/100, the highest DC Readiness Score in the region.
Other grid regions
Related rankings and tools
Dataset updated . Screening estimates derived from public data sources.
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, “NYISO datacenter candidate sites”, https://gridcensus.com/iso/nyiso (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for NYISO 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.