Greenfield Datacenter Sites
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.
How do greenfield sites compare with other site types?
Greenfield sites are the 4th-largest of 9 site types by count and the 3rd-highest of 9 by average DC Readiness. Their 55.3 average is above the 53.0 average across all 147,272 sites. The average interconnection-queue wait in their markets, 4.3 yrs, is the 5th-shortest of 9. The greenfield category is strongest on water, averaging 75.6 against a national average of 72.3; its weakest factor is hazard resilience, at 59.4 versus 66.8 nationally.
Where are greenfield datacenter sites located?
The five states with the most are Texas (1,276, 7%), Pennsylvania (973, 5%), California (941, 5%), Illinois (913, 5%) and Florida (791, 4%). Greenfield sites appear in 51 states. By grid region, MISO holds 27%, PJM holds 21% and SERC holds 18%.
Greenfield sites by state
- Texas1,276
- Pennsylvania973
- California941
- Illinois913
- Florida791
- Michigan719
- Ohio680
- Kentucky640
- Iowa634
- Minnesota594
- Kansas571
- North Carolina518
- Missouri495
- Indiana492
- Wisconsin465
- New York448
- Louisiana421
- West Virginia417
- Georgia411
- Virginia409
- Alabama385
- South Carolina371
- Oklahoma366
- Tennessee341
- Colorado314
- Arkansas281
- Maryland256
- Mississippi255
- New Mexico249
- Arizona246
- Massachusetts242
- New Jersey231
- Nevada195
- Utah177
- North Dakota174
- Nebraska170
- South Dakota159
- Washington133
- Wyoming119
- Connecticut115
- Maine93
- Vermont72
- Montana66
- Delaware56
- Oregon49
- Rhode Island47
- Alaska45
- Idaho42
- New Hampshire32
- Hawaii15
- District of Columbia8
Average sub-score profile
Top 25 greenfield datacenter sites
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| EC Near Haefling | Greenfield | KY | Fayette | — | — | 3.9 yrs | 68.2 |
| EC Near W B Tuttle | Greenfield | TX | Bexar | — | — | 3.5 yrs | 68.1 |
| EC Near Nueces Bay | Greenfield | TX | Nueces | — | — | 3.5 yrs | 68.1 |
| OZ Hamilton | Greenfield | TN | Hamilton | — | — | 3.9 yrs | 67.8 |
| EC Coal Webb County | Greenfield | TX | Webb County | — | — | 3.5 yrs | 67.7 |
| EC FFE Tarrant County | Greenfield | TX | Tarrant County | — | — | 3.5 yrs | 67.7 |
| EC Near Zorn | Greenfield | KY | Jefferson | — | — | 3.9 yrs | 67.6 |
| OZ Tarrant | Greenfield | TX | Tarrant | — | — | 3.5 yrs | 67.4 |
| EC Near Tessman Road | Greenfield | TX | Bexar | — | — | 3.5 yrs | 67.4 |
| EC Near Spencer | Greenfield | TX | Denton | — | — | 3.5 yrs | 67.4 |
| EC Coal Sheridan County | Greenfield | WY | Sheridan County | — | — | 4.3 yrs | 67.3 |
| OZ Hamilton | Greenfield | TN | Hamilton | — | — | 3.9 yrs | 67.3 |
| EC Near Mission Road | Greenfield | TX | Bexar | — | — | 3.5 yrs | 67.3 |
| OZ Greene | Greenfield | MO | Greene | — | — | 4.3 yrs | 67.2 |
| OZ Nueces | Greenfield | TX | Nueces | — | — | 3.5 yrs | 67.2 |
| EC Near Tampa Electric Co NA 2 | Greenfield | FL | Hillsborough | — | — | 3.7 yrs | 67.2 |
| EC Near Domain Integrated Energy System | Greenfield | TX | Travis | — | — | 3.5 yrs | 67.2 |
| EC Near Laredo | Greenfield | TX | Webb | — | — | 3.5 yrs | 67.2 |
| OZ Davidson | Greenfield | TN | Davidson | — | — | 3.9 yrs | 67.2 |
| OZ Jefferson | Greenfield | KY | Jefferson | — | — | 3.9 yrs | 67.2 |
| OZ Tarrant | Greenfield | TX | Tarrant | — | — | 3.5 yrs | 67.1 |
| OZ Knox | Greenfield | TN | Knox | — | — | 3.9 yrs | 67.1 |
| EC Coal Sheridan County | Greenfield | WY | Sheridan County | — | — | 4.3 yrs | 67.1 |
| OZ Hamilton | Greenfield | TN | Hamilton | — | — | 3.9 yrs | 67.1 |
| EC Near Skyline Gas Recovery | Greenfield | TX | Dallas | — | — | 3.5 yrs | 67.1 |
What do the top-scoring greenfield sites have in common?
The top 25 greenfield sites score between 67.1 and 68.2. 13 are in Texas, 5 are in Tennessee and 3 are in Kentucky. Their counties have a median of 13 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 3.5 years. None of the 25 with a mapped FEMA flood zone sits in a high-risk (A or V) zone. 3 lie within 25 km of a binding transmission constraint.
Greenfield site FAQ
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.
How many greenfield datacenter sites are there?
GridCensus catalogs 18,112 greenfield candidate sites nationwide, averaging 55.3/100 DC Readiness — 12% of all scored sites.
Which state has the most greenfield datacenter sites?
Texas leads with 1,276 greenfield candidate sites, followed by Pennsylvania with 973.
What is the highest-scoring greenfield datacenter site?
EC Near Haefling in Fayette, Kentucky has the highest DC Readiness Score of any greenfield site, at 68.2/100.
How long is the interconnection queue for greenfield sites?
Greenfield candidate sites sit in markets with an average interconnection-queue wait of 4.3 yrs, the 5th-shortest of 9 site types.
Other datacenter site types
- Industrial datacenter sites· 35,788 sites
- Substation-Adjacent datacenter sites· 38,820 sites
- Former Mine datacenter sites· 26,205 sites
- Federal Excess datacenter sites· 17,528 sites
- Manufacturing datacenter sites· 7,657 sites
- Shovel-Ready datacenter sites· 2,365 sites
- Brownfield datacenter sites· 771 sites
- Military BRAC datacenter sites· 26 sites
By grid region
- MISO datacenter sites· 4,919 greenfield
- PJM datacenter sites· 3,817 greenfield
- SERC datacenter sites· 3,170 greenfield
- SPP datacenter sites· 2,220 greenfield
- WECC datacenter sites· 1,348 greenfield
- CAISO datacenter sites· 874 greenfield
- ERCOT datacenter sites· 653 greenfield
- ISO-NE datacenter sites· 622 greenfield
- NYISO datacenter sites· 429 greenfield
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 candidate sites”, https://gridcensus.com/site-types/greenfield (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Greenfield sites 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.