Greenfield Datacenter Sites in Pennsylvania
At a glance
Undeveloped land with no prior industrial use. Greenfield parcels offer maximum design flexibility and large contiguous footprints, but typically require full utility build-out — the speed-to-power story hinges on proximity to existing transmission.
Top greenfield sites in Pennsylvania
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| EC Coal Allegheny County | Greenfield | Allegheny County | — | — | 3.6 yrs | 65.3 |
| EC Coal Allegheny County | Greenfield | Allegheny County | — | — | 3.6 yrs | 64.9 |
| OZ Philadelphia | Greenfield | Philadelphia | — | — | 3.6 yrs | 64.7 |
| EC Near Brunot Island | Greenfield | Allegheny | — | — | 3.6 yrs | 64.7 |
| OZ Allegheny | Greenfield | Allegheny | — | — | 3.6 yrs | 64.6 |
| OZ Allegheny | Greenfield | Allegheny | — | — | 3.6 yrs | 64.5 |
| OZ Allegheny | Greenfield | Allegheny | — | — | 3.6 yrs | 64.4 |
| EC Coal Allegheny County | Greenfield | Allegheny County | — | — | 3.6 yrs | 64.4 |
| OZ Butler | Greenfield | Butler | — | — | 3.6 yrs | 64.4 |
| OZ Allegheny | Greenfield | Allegheny | — | — | 3.6 yrs | 64.3 |
| OZ Allegheny | Greenfield | Allegheny | — | — | 3.6 yrs | 64.3 |
| OZ Allegheny | Greenfield | Allegheny | — | — | 3.6 yrs | 64.2 |
| EC Coal Allegheny County | Greenfield | Allegheny County | — | — | 3.6 yrs | 64.2 |
| EC Coal Allegheny County | Greenfield | Allegheny County | — | — | 3.6 yrs | 64.1 |
| OZ Allegheny | Greenfield | Allegheny | — | — | 3.6 yrs | 64.1 |
| OZ Allegheny | Greenfield | Allegheny | — | — | 3.6 yrs | 64.0 |
| OZ Allegheny | Greenfield | Allegheny | — | — | 3.6 yrs | 64.0 |
| EC Near Brunot Island | Greenfield | Allegheny | — | — | 3.6 yrs | 63.9 |
| OZ Allegheny | Greenfield | Allegheny | — | — | 3.6 yrs | 63.9 |
| OZ Allegheny | Greenfield | Allegheny | — | — | 3.6 yrs | 63.9 |
| EC Coal Allegheny County | Greenfield | Allegheny County | — | — | 3.6 yrs | 63.8 |
| OZ Allegheny | Greenfield | Allegheny | — | — | 3.6 yrs | 63.6 |
| OZ Allegheny | Greenfield | Allegheny | — | — | 3.6 yrs | 63.5 |
| OZ Philadelphia | Greenfield | Philadelphia | — | — | 3.6 yrs | 63.4 |
| EC Near Brunot Island | Greenfield | Allegheny | — | — | 3.6 yrs | 63.4 |
How does Pennsylvania compare with other states for greenfield sites?
With 973 sites, Pennsylvania ranks 2nd of the 51 states that have any greenfield candidate sites. Texas leads with 1,276. Nationally, greenfield sites average 55.3/100 DC Readiness, above the 53.0 average across all site types. Across every site type, Pennsylvania averages 52.1, the 39th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 3.6 years.
Where are the highest-scoring greenfield sites in Pennsylvania?
The top 25 range from 65.3 to 63.4 on the 0–100 DC Readiness Score. They are concentrated in Allegheny County (22) and Philadelphia (2). By grid region, 25 are in PJM.
County pages: Allegheny County · Philadelphia · Butler
What power, fiber and flood exposure do these greenfield sites have?
Their counties have a median of 15 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 4 km. The median interconnection-queue wait in their markets is 3.6 years. None of the 25 with a mapped FEMA flood zone sits in a high-risk (A or V) zone. 1 lies within 25 km of a binding transmission constraint.
Frequently asked questions
How many greenfield datacenter sites are in Pennsylvania?
GridCensus catalogs 973 greenfield datacenter candidate sites in Pennsylvania, 5% of the national total for this type (2nd of 51 states).
What is a greenfield datacenter site?
Undeveloped land with no prior industrial use. Greenfield parcels offer maximum design flexibility and large contiguous footprints, but typically require full utility build-out — the speed-to-power story hinges on proximity to existing transmission.
What is the best greenfield datacenter site in Pennsylvania?
By DC Readiness Score, EC Coal Allegheny County in Allegheny County ranks first at 65.3/100, followed by EC Coal Allegheny County in Allegheny County at 64.9.
Which Pennsylvania counties have the best greenfield sites?
The top 25 greenfield sites in Pennsylvania are concentrated in Allegheny County (22) and Philadelphia (2).
How does Pennsylvania score for datacenters overall?
All 6,497 scored sites in Pennsylvania average 52.1/100 DC Readiness, the 39th-highest of 52 states, against a national average of 53.0.
More on greenfield sites and Pennsylvania
Greenfield sites in other states
- Greenfield sites in Texas· 1,276 sites
- Greenfield sites in California· 941 sites
- Greenfield sites in Illinois· 913 sites
- Greenfield sites in Florida· 791 sites
- Greenfield sites in Michigan· 719 sites
- Greenfield sites in Ohio· 680 sites
- Greenfield sites in Kentucky· 640 sites
- Greenfield sites in Iowa· 634 sites
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, “Greenfield datacenter sites in Pennsylvania”, https://gridcensus.com/site-types/greenfield/pennsylvania (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Greenfield sites in Pennsylvania 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.